From f3af33c272103d4cb1304c52e99fdc4f14ab87bc Mon Sep 17 00:00:00 2001 From: Garrett Wollman Date: Thu, 21 Jan 1999 21:31:40 +0000 Subject: [PATCH] 1999a revision of timezone data from Arthur Olson and friends. Obtained from: ftp://elsie.nci.nih.gov/pub/tzdata1999a.tar.gz --- share/zoneinfo/africa | 46 +- share/zoneinfo/antarctica | 41 +- share/zoneinfo/asia | 227 ++++-- share/zoneinfo/australasia | 108 +-- share/zoneinfo/backward | 3 +- share/zoneinfo/etcetera | 10 +- share/zoneinfo/europe | 1298 +++++++++++++++++++---------------- share/zoneinfo/factory | 2 +- share/zoneinfo/iso3166.tab | 11 +- share/zoneinfo/leapseconds | 5 +- share/zoneinfo/northamerica | 86 ++- share/zoneinfo/pacificnew | 2 +- share/zoneinfo/southamerica | 117 +++- share/zoneinfo/zone.tab | 16 +- 14 files changed, 1185 insertions(+), 787 deletions(-) diff --git a/share/zoneinfo/africa b/share/zoneinfo/africa index f58719da5b8f..b84d6dcd209b 100644 --- a/share/zoneinfo/africa +++ b/share/zoneinfo/africa @@ -1,4 +1,4 @@ -# @(#)africa 7.20 +# @(#)africa 7.25 # This data is by no means authoritative; if you think you know better, # go ahead and edit the file (and please send any changes to @@ -105,9 +105,6 @@ Zone Africa/Luanda 0:52:56 - LMT 1892 0:52:04 - LMT 1911 May 26 # Luanda Mean Time? 1:00 - WAT -# Bassas da India -# uninhabited - # Benin # Whitman says they switched to 1:00 in 1946, not 1934; go with Shanks. # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -209,9 +206,10 @@ Rule Egypt 1983 only - Jul 12 1:00 1:00 S Rule Egypt 1984 1988 - May 1 1:00 1:00 S Rule Egypt 1989 only - May 6 1:00 1:00 S Rule Egypt 1990 1994 - May 1 1:00 1:00 S -# IATA (after 1990) says transitions are at 0:00; go with Shanks. -Rule Egypt 1995 max - Apr lastFri 1:00 1:00 S -Rule Egypt 1995 max - Sep lastFri 3:00 0 - +# IATA (after 1990) says transitions are at 0:00. +# Go with IATA starting in 1995. +Rule Egypt 1995 max - Apr Fri>=22 0:00s 1:00 S +Rule Egypt 1995 max - Sep lastFri 23:00s 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Africa/Cairo 2:05:00 - LMT 1900 Oct @@ -240,9 +238,6 @@ Zone Africa/Addis_Ababa 2:34:48 - LMT 1870 2:35:20 - ADMT 1936 May 5 # Adis Dera MT 3:00 - EAT -# Europa Island -# uninhabited - # Gabon # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Africa/Libreville 0:37:48 - LMT 1912 @@ -264,9 +259,6 @@ Rule Ghana 1936 1942 - Dec 31 0:00 0 GMT Zone Africa/Accra -0:00:52 - LMT 1918 0:00 Ghana %s -# Glorioso Is -# uninhabited - # Guinea # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Africa/Conakry -0:54:52 - LMT 1912 @@ -280,9 +272,6 @@ Zone Africa/Bissau -1:02:20 - LMT 1911 May 26 -1:00 - WAT 1975 0:00 - GMT -# Juan de Nova -# uninhabited - # Kenya # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Africa/Nairobi 2:27:16 - LMT 1928 Jul @@ -301,7 +290,7 @@ Zone Africa/Maseru 1:50:00 - LMT 1903 Mar # Liberia # From Paul Eggert (1993-11-18): # In 1972 Liberia was the last country to switch -# from a GMT offset that was not a multiple of 15 minutes. +# from a UTC offset that was not a multiple of 15 minutes. # Howse reports that it was in honor of their president's birthday. # Shanks reports the date as May 1, whereas Howse reports Jan; go with Shanks. # For Liberia before 1972, Shanks reports -0:44, whereas Howse and Whitman @@ -335,15 +324,16 @@ Rule Libya 1987 1990 - Oct 1 0:00 0 - Rule Libya 1990 only - May 4 0:00 1:00 S Rule Libya 1996 only - Mar 30 2:00s 1:00 S Rule Libya 1996 only - Sep 30 2:00s 0 - -Rule Libya 1997 max - Mar lastThu 2:00s 1:00 S -Rule Libya 1997 max - Oct Thu>=1 2:00s 0 - +Rule Libya 1997 only - Apr 4 0:00 1:00 S +Rule Libya 1997 only - Oct 4 0:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Africa/Tripoli 0:52:44 - LMT 1920 1:00 Libya CE%sT 1959 2:00 - EET 1982 1:00 Libya CE%sT 1991 2:00 - EET 1996 Mar 30 3:00 - 1:00 Libya CE%sT + 1:00 Libya CE%sT 1997 Oct 4 0:00 + 2:00 - EET # Madagascar # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -450,6 +440,19 @@ Zone Africa/Lagos 0:13:36 - LMT 1919 Sep # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Indian/Reunion 3:41:52 - LMT 1911 Jun # Saint-Denis 4:00 - RET # Reunion Time +# +# Scattered Islands (Iles Eparses) administered from Reunion are as follows. +# The following information about them is taken from +# +# Iles Eparses +# +# (1997-07-22, in French). We have no info about their time zone histories. +# +# Bassas da India - uninhabited +# Europa Island - inhabited from 1905 to 1910 by two families +# Glorioso Is - inhabited until at least 1958 +# Juan de Nova - uninhabited +# Tromelin - inhabited until at least 1958 # Rwanda # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -553,9 +556,6 @@ Zone Africa/Dar_es_Salaam 2:37:08 - LMT 1931 Zone Africa/Lome 0:04:52 - LMT 1893 0:00 - GMT -# Tromelin -# uninhabited - # Tunisia # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Tunisia 1939 only - Apr 15 23:00s 1:00 S diff --git a/share/zoneinfo/antarctica b/share/zoneinfo/antarctica index 83f0cfed760f..f5422b2bf1a6 100644 --- a/share/zoneinfo/antarctica +++ b/share/zoneinfo/antarctica @@ -1,9 +1,16 @@ -# @(#)antarctica 7.8 +# @(#)antarctica 7.14 # From Paul Eggert (1997-03-28): # To keep things manageable, we list only locations occupied year-round; -# see (1996-05-24) -# and (1996-09-05). +# see +# +# Antarctic Activities of Member Nations of the Antarctic Treaty (1996-05-24) +# +# and +# +# Summary of the Peri-Antarctic Islands (1996-09-05) +# +# for information. # Unless otherwise specified, we have no time zone information. # # Except for the French entries, @@ -34,17 +41,27 @@ Rule ChileAQ 1970 max - Mar Sun>=9 0:00 0 - # # year-round bases # Casey, Bailey Peninsula, since 1969 -# Davis, Vestfold Hills, since 1957-01-13 (except 1965-01 - 1969-02) +# Davis, Vestfold Hills, since 1957-01-13 (except 1964-11 - 1969-02) # Mawson, Holme Bay, since 1954-02-13 # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Antarctica/Casey 0 - ___ 1969 8:00 - WST # Western (Aus) Standard Time -#Zone Antartica/Davis unknown +Zone Antarctica/Davis 0 - ___ 1957 Jan 13 + 7:00 - DAVT 1964 Nov # Davis Time + 0 - ___ 1969 Feb + 7:00 - DAVT Zone Antarctica/Mawson 0 - ___ 1954 Feb 13 6:00 - MAWT # Mawson Time # References: -# (1996-07-15) -# (1996-04-19) +# +# Casey Weather (1998-02-26) +# +# +# Davis Station, Antarctica (1998-02-26) +# +# +# Mawson Station, Antarctica (1998-02-25) +# # Brazil - year-round base # Ferraz, King George Island, since 1983/4 @@ -92,7 +109,9 @@ Zone Antarctica/DumontDUrville 0 - ___ 1947 0 - ___ 1956 Nov 10:00 - DDUT # Dumont-d'Urville Time # Reference: -# (1996-09-10) +# +# Support and Development of Polar Research and Technology (1997-02-03) +# # Germany - year-round base @@ -198,8 +217,10 @@ Zone Antarctica/McMurdo 0 - ___ 1956 # which was on GMT+12 because New Zealand was on GMT+12 all year # at that time (1957). (Source: Siple's book 90 degrees SOUTH.) # -# From Susan Smith -# (1995-11-13 16:24:56 +1300): We use the same time as McMurdo does. +# From Susan Smith +# http://www.cybertours.com/whs/pole10.html +# (1995-11-13 16:24:56 +1300, no longer available): +# We use the same time as McMurdo does. # And they use the same time as Christchurch, NZ does.... # One last quirk about South Pole time. # All the electric clocks are usually wrong. diff --git a/share/zoneinfo/asia b/share/zoneinfo/asia index 673474917937..9406aca86a06 100644 --- a/share/zoneinfo/asia +++ b/share/zoneinfo/asia @@ -1,4 +1,4 @@ -# @(#)asia 7.30 +# @(#)asia 7.40 # This data is by no means authoritative; if you think you know better, # go ahead and edit the file (and please send any changes to @@ -7,8 +7,8 @@ # From Paul Eggert (1996-11-22): # # A good source for time zone historical data outside the U.S. is -# Thomas G. Shanks, The International Atlas (3rd edition), -# San Diego: ACS Publications, Inc. (1991). +# Thomas G. Shanks, The International Atlas (4th edition), +# San Diego: ACS Publications, Inc. (1995). # Except where otherwise noted, it is the source for the data below. # # Gwillim Law writes that a good source @@ -45,8 +45,6 @@ # 9:30 CST (Australian) Central Standard Time # # See the `europe' file for Russia and Turkey in Asia. -# -# See the `africa' file for time zone naming and abbreviation conventions. # From Guy Harris: # Incorporates data for Singapore from Robert Elz' asia 1.1, as well as @@ -80,24 +78,30 @@ Zone Asia/Kabul 4:36:48 - LMT 1890 4:30 - AFT # Armenia -# From Paul Eggert (1996-05-04): +# From Paul Eggert (1998-??-??): # Shanks has Yerevan switching to 3:00 (with Russian DST) in spring 1991, # but usno1995 has Armenia at 4:00 (with DST), and Edgar Der-Danieliantz -# reported today that Yerevan probably won't use DST this year, -# though it did use DST in 1995. We guess Yerevan stayed in sync with Moscow -# between 1990 and 1995, but stopped using DST in 1996. -# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Armenia 1991 1995 - Mar lastSun 2:00s 1:00 S -Rule Armenia 1991 1995 - Sep lastSun 2:00s 0 - +# reported (1996-05-04) that Yerevan probably wouldn't use DST +# in 1996, though it did use DST in 1995. IATA SSIM (1991/1998) reports that +# Armenia switched from 3:00 to 4:00 in 1998 and observed DST after 1991, +# but started switching at 3:00s in 1998. +# What a mess! We guess Yerevan DST stayed in sync with Moscow between 1990 +# and 1995, did not use DST in 1996, and started using DST again in 1997. # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Yerevan 2:58:00 - LMT 1924 May 2 3:00 - YERT 1957 Mar # Yerevan Time 4:00 RussiaAsia YER%sT 1991 Mar 31 2:00s 3:00 1:00 YERST 1991 Sep 23 # independence - 3:00 Armenia AM%sT 1992 Jan 19 2:00s # Armenia Time - 4:00 Armenia AM%sT + 3:00 1:00 AMST 1991 Sep 29 2:00s # Armenia Time + 3:00 - AMT 1992 Jan 19 2:00s + 4:00 RussiaAsia AM%sT 1996 + 4:00 - AMT 1997 + 4:00 RussiaAsia AM%sT # Azerbaijan +# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S +Rule Azer 1997 max - Mar lastSun 1:00 1:00 S +Rule Azer 1997 max - Oct lastSun 1:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Baku 3:19:24 - LMT 1924 May 2 3:00 - BAKT 1957 Mar # Baku Time @@ -105,7 +109,8 @@ Zone Asia/Baku 3:19:24 - LMT 1924 May 2 3:00 1:00 BAKST 1991 Aug 30 # independence 3:00 RussiaAsia AZ%sT 1992 Sep lastSun 2:00s 4:00 - AZT 1996 # Azerbaijan time - 4:00 EUAsia AZ%sT + 4:00 EUAsia AZ%sT 1997 + 4:00 Azer AZ%sT # Bahrain # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -156,7 +161,7 @@ Zone Asia/Phnom_Penh 6:59:40 - LMT 1906 Jun 9 8:00 - ICT 1931 May 7:00 - ICT -# People's Republic of China +# China # From Guy Harris: # People's Republic of China. Yes, they really have only one time zone. @@ -185,7 +190,7 @@ Zone Asia/Phnom_Penh 6:59:40 - LMT 1906 Jun 9 # note about Time magazine, though apparently _something_ happened in 1986. # Go with Shanks for now. I made up names for the other pre-1980 time zones. -# From Shanks (1991): +# From Shanks (1995): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Shang 1940 only - Jun 3 0:00 1:00 D Rule Shang 1940 1941 - Oct 1 0:00 0 S @@ -239,7 +244,7 @@ Zone Asia/Hong_Kong 7:36:36 - LMT 1904 Oct 30 ############################################################################### -# Republic of China +# Taiwan # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Taiwan 1945 1951 - May 1 0:00 1:00 D @@ -354,8 +359,11 @@ Zone Asia/Jayapura 9:22:48 - LMT 1932 Nov # Iran # From Paul Eggert (1996-12-17), following up a suggestion by Rich Wales: -# Ahmad Alavi -# (1993-08-04) writes ``Daylight saving time in Iran starts from the first day +# Ahmea Alavi in +# +# TAGHVEEM (1993-08-04) +# +# writes ``Daylight saving time in Iran starts from the first day # of Farvardin and ends the first day of Mehr.'' This disagrees with the SSIM: # # DST start DST end @@ -457,12 +465,7 @@ Zone Asia/Baghdad 2:57:40 - LMT 1890 # ISRAEL 2 H AHEAD OF UTC # ISRAEL 3 H AHEAD OF UTC APR 10 - SEP 3 -# From Paul Eggert (1993-11-18): -# -# Shanks gives the following rules for Jerusalem from 1918 through 1991. -# After 1989 Shanks often disagrees with Silverberg; we go with Silverberg. - -# From Shanks (1991): +# From Shanks (1995): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Zion 1940 only - Jun 1 0:00 1:00 D Rule Zion 1942 1944 - Nov 1 0:00 0 S @@ -505,7 +508,8 @@ Rule Zion 1987 only - Sep 13 0:00 0 S Rule Zion 1988 only - Apr 9 0:00 1:00 D Rule Zion 1988 only - Sep 3 0:00 0 S -# From Ephraim Silverberg (ephraim@cs.huji.ac.il), 1997-03-04: +# From Ephraim Silverberg +# (1997-03-04 and 1998-03-16): # According to the Office of the Secretary General of the Ministry of # Interior, there is NO set rule for Daylight-Savings/Standard time changes. @@ -546,16 +550,18 @@ Rule Zion 1995 only - Sep 3 0:00 0 S # The dates for 1996 were determined by the Minister of Interior of the # time, Haim Ramon. The official announcement regarding 1996-1998 -# (with the dates for 1997 no longer being relevant) can be viewed at: +# (with the dates for 1997-1998 no longer being relevant) can be viewed at: # # ftp://ftp.huji.ac.il/pub/tz/announcements/1996-1998.ramon.ps.gz # -# The dates for 1997 were altered by his successor, Rabbi Eli Suissa. -# No changes have been made regarding 1998 as of yet. -# +# The dates for 1997-1998 were altered by his successor, Rabbi Eli Suissa. # The official announcement for the year 1997 can be viewed at: # # ftp://ftp.huji.ac.il/pub/tz/announcements/1997.ps.gz +# +# The official announcement for the year 1998 can be viewed at: +# +# ftp://ftp.huji.ac.il/pub/tz/announcements/1998.ps.gz # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Zion 1996 only - Mar 15 0:00 1:00 D @@ -563,14 +569,20 @@ Rule Zion 1996 only - Sep 16 0:00 0 S Rule Zion 1997 only - Mar 21 0:00 1:00 D Rule Zion 1997 only - Sep 14 0:00 0 S Rule Zion 1998 only - Mar 20 0:00 1:00 D -Rule Zion 1998 only - Oct 18 0:00 0 S +Rule Zion 1998 only - Sep 6 0:00 0 S -# From Paul Eggert (1997-03-15): +# From Member of Knesset Avraham Poraz, as quoted in Ha'aretz (1998-09-02): +# [The 1998-09-06 transition is to] serve the interests of a small minority +# of ultra-Orthodox Sephardic Jews who, during the [Hebrew] month of Elul, +# recite Slihot penitential prayers in the early morning hours +# and thus find daylight time inconvenient. + +# From Paul Eggert (1998-01-12): # Here are guesses for rules after 1998. # They are probably wrong, but they are more likely than no DST at all. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Zion 1999 max - Mar Fri>=15 0:00 1:00 D -Rule Zion 1999 max - Sep Sun>=15 0:00 0 S +Rule Zion 1999 max - Sep Sun>=1 0:00 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Jerusalem 2:20:56 - LMT 1880 @@ -640,7 +652,7 @@ Zone Asia/Amman 2:23:44 - LMT 1931 # IATA SSIM mentions a third time zone in Kazakhstan. # # Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone Asia/Alma-Ata 5:07:48 - LMT 1924 May 2 # or Almaty +Zone Asia/Almaty 5:07:48 - LMT 1924 May 2 # or Alma-Ata 5:00 - ALMT 1957 Mar # Alma-Ata Time 6:00 RussiaAsia ALM%sT 1991 Mar 31 2:00s 5:00 1:00 ALMST 1991 Sep 29 2:00s @@ -662,25 +674,27 @@ Zone Asia/Aqtau 3:21:04 - LMT 1924 May 2 # or Aktau # Kirgizstan # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Kirgiz 1992 max - Apr Sun>=7 0:00 1:00 S -Rule Kirgiz 1991 max - Sep lastSun 0:00 0 - +Rule Kirgiz 1992 1996 - Apr Sun>=7 0:00 1:00 S +Rule Kirgiz 1991 1996 - Sep lastSun 0:00 0 - +Rule Kirgiz 1997 max - Mar lastSun 2:30 1:00 S +Rule Kirgiz 1997 max - Oct lastSun 2:30 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Bishkek 4:58:24 - LMT 1924 May 2 - 5:00 - FRUT 1957 Mar # Frunze Time + 5:00 - FRUT 1930 Jun 21 # Frunze Time 6:00 RussiaAsia FRU%sT 1991 Mar 31 2:00s 5:00 1:00 FRUST 1991 Aug 31 # independence 5:00 Kirgiz KG%sT # Kirgizstan Time ############################################################################### -# Korea +# Korea (North and South) # From Guy Harris: # According to someone at the Korean Times in San Francisco, # Daylight Savings Time was not observed until 1987. He did not know # at what time of day DST starts or ends. -# From Shanks (1991): +# From Shanks (1995): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule ROK 1960 only - May 15 0:00 1:00 D Rule ROK 1960 only - Sep 13 0:00 0 S @@ -775,8 +789,9 @@ Zone Indian/Maldives 4:54:00 - LMT 1880 # Male 5:00 - MVT # Maldives Time # Mongolia -# Shanks says that Mongolia has three time zones, but usno1995 and -# (1995) +# Shanks says that Mongolia has three time zones, but usno1995 and the CIA map +# Standard Time Zones of the World (1997-01) +# # both say that it has just one. # Let's comment out the western and eastern Mongolian time zones # till we know what their principal towns are. @@ -821,6 +836,69 @@ Zone Asia/Karachi 4:28:12 - LMT 1907 5:00 - PKT # Pakistan Time # Palestine + +# From Amos Shapir (1998-02-15): +# +# From 1917 until 1948-05-15, all of Palestine, including the parts now +# known as the Gaza Strip and the West Bank, was under British rule. +# Therefore the rules given for Israel for that period, apply there too... +# +# The Gaza Strip was under Egyptian rule between 1948-05-15 until 1967-06-05 +# (except a short occupation by Israel from 1956-11 till 1957-03, but no +# time zone was affected then). It was never formally annexed to Egypt, +# though. +# +# The rest of Palestine was under Jordanian rule at that time, formally +# annexed in 1950 as the West Bank (and the word "Trans" was dropped from +# the country's previous name of "the Hashemite Kingdom of the +# Trans-Jordan"). So the rules for Jordan for that time apply. Major +# towns in that area are Nablus (Shchem), El-Halil (Hebron), Ramallah, and +# East Jerusalem. +# +# Both areas were occupied by Israel in June 1967, but not annexed (except +# for East Jerusalem). They were on Israel time since then; there might +# have been a Military Governor's order about time zones, but I'm not aware +# of any (such orders may have been issued semi-annually whenever summer +# time was in effect, but maybe the legal aspect of time was just neglected). +# +# The Palestinian Authority was established in 1993, and got hold of most +# towns in the West Bank and Gaza by 1995. I know that in order to +# demonstrate...independence, they have been switching to +# summer time and back on a different schedule than Israel's, but I don't +# know when this was started, or what algorithm is used (most likely the +# Jordanian one). +# +# To summarize, the table should probably look something like that: +# +# Area \ when | 1918-1947 | 1948-1967 | 1967-1995 | 1996- +# ------------+-----------+-----------+-----------+----------- +# Israel | Zion | Zion | Zion | Zion +# West bank | Zion | Jordan | Zion | Jordan +# Gaza | Zion | Egypt | Zion | Jordan +# +# I guess more info may be available from the PA's web page (if/when they +# have one). + +# From Paul Eggert (1998-02-25): +# Shanks writes that Gaza did not observe DST until 1957, but we'll go +# with Shapir and assume that it observed DST from 1940 through 1947, +# and that it used Jordanian rules starting in 1996. +# We don't yet need a separate entry for the West Bank, since +# the only differences between it and Gaza that we know about +# occurred before our cutoff date of 1970. +# However, as we get more information, we may need to add entries +# for parts of the West Bank as they transitioned from Israel's rules +# to Palestine's rules. If you have more info about this, please +# send it to tz@elsie.nci.nih.gov for incorporation into future editions. + +# From IINS News Service - Israel - 1998-03-23 10:38:07 Israel time, +# forwarded by Ephraim Silverberg: +# +# Despite the fact that Israel changed over to daylight savings time +# last week, the PLO Authority (PA) has decided not to turn its clocks +# one-hour forward at this time. As a sign of independence from Israeli rule, +# the PA has decided to implement DST in April. + # These rules for Egypt are stolen from the `africa' file. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule EgyptAsia 1957 only - May 10 0:00 1:00 S @@ -831,9 +909,10 @@ Rule EgyptAsia 1959 1965 - Sep 30 3:00 0 - Rule EgyptAsia 1966 only - Oct 1 3:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Gaza 2:17:52 - LMT 1900 Oct - 2:00 - EET 1957 May 10 - 2:00 EgyptAsia EE%sT 1967 Jun 30 - 2:00 Zion I%sT + 2:00 Zion EET 1948 May 15 + 2:00 EgyptAsia EE%sT 1967 Jun 5 + 2:00 Zion I%sT 1996 + 2:00 Jordan EE%sT # Paracel Is # no information @@ -883,19 +962,24 @@ Zone Asia/Singapore 6:55:24 - LMT 1880 # Sri Lanka # From Paul Eggert (1996-09-03): -# (1996-05-24) +# +# Sri Lanka advances clock by an hour to avoid blackout (1996-05-24) +# # reported ``the country's standard time will be put forward by one hour at # midnight Friday (1830 GMT) `in the light of the present power crisis'.'' -# Transitions before 1996 are from Shanks (1991). +# Transitions before 1996 are from Shanks (1995). # # From Dharmasiri Senanayake, Sri Lanka Media Minister (1996-10-24), as quoted -# in (1996-10-26): +# by Shamindra in +# +# Daily News - Hot News Section (1996-10-26) +# : # With effect from 12.30 a.m. on 26th October 1996 # Sri Lanka will be six (06) hours ahead of GMT. # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Colombo 5:19:24 - LMT 1880 - 5:20 - CEYT 1906 # Ceylon Time + 5:19:32 - MMT 1906 # Moratuwa Mean Time 5:30 - IST 1942 Jan 5 5:30 0:30 IHST 1942 Sep 5:30 1:00 IST 1945 Oct 16 2:00 @@ -933,7 +1017,8 @@ Rule Syria 1991 1992 - Oct 1 0:00 0 - Rule Syria 1992 only - Apr 8 0:00 1:00 S Rule Syria 1993 only - Mar 26 0:00 1:00 S Rule Syria 1993 only - Sep 25 0:00 0 - -# IATA SSIM (1996-09) says 1997-03-31; assume that it should be 1997-04-01. +# IATA SSIM (1996-09) says 1997-03-31; (1998-02) says 1998-04-02, +# 1999-03-29, and 1999-09-29; ignore all these claims for now. Rule Syria 1994 max - Apr 1 0:00 1:00 S Rule Syria 1994 max - Oct 1 0:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -941,9 +1026,10 @@ Zone Asia/Damascus 2:25:12 - LMT 1920 2:00 Syria EE%sT # Tajikistan +# From Shanks (1995), who writes ``date of change uncertain'' for 1991. # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Dushanbe 4:35:12 - LMT 1924 May 2 - 5:00 - DUST 1957 Mar # Dushanbe Time + 5:00 - DUST 1930 Jun 21 # Dushanbe Time 6:00 RussiaAsia DUS%sT 1991 Mar 31 2:00s 5:00 1:00 DUSST 1991 Sep 9 # independence 5:00 RussiaAsia TJ%sT 1992 @@ -956,14 +1042,17 @@ Zone Asia/Bangkok 6:42:04 - LMT 1880 7:00 - ICT # Turkmenistan +# From Shanks (1995): # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Ashkhabad 3:53:32 - LMT 1924 May 2 # or Ashgabat - 4:00 - ASHT 1957 Mar # Ashkhabad Time - 5:00 RussiaAsia ASH%sT 1991 Mar 31 2:00s - 4:00 1:00 ASHST 1991 Sep 29 2:00s - 4:00 - ASHT 1991 Oct 27 # independence - 4:00 - TMT 1992 Jan 19 2:00s - 5:00 - TMT # Turkmenistan Time + 4:00 - ASHT 1930 Jun 21 # Ashkhabad Time + 5:00 - ASHT 1981 Apr 1 + 5:00 1:00 ASHST 1981 Oct 1 + 6:00 - ASHT 1982 Apr 1 + 5:00 RussiaAsia ASH%sT 1991 + 5:00 - ASHT 1991 Oct 27 # independence + 5:00 RussiaAsia TM%sT 1993 # Turkmenistan Time + 5:00 - TMT # United Arab Emirates # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -971,18 +1060,24 @@ Zone Asia/Dubai 3:41:12 - LMT 1920 4:00 - GST # Uzbekistan +# From Shanks (1995): # Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Asia/Samarkand 4:27:12 - LMT 1924 May 2 + 4:00 - SAMT 1930 Jun 21 # Samarkand Time + 5:00 - SAMT 1981 Apr 1 + 5:00 1:00 SAMST 1981 Oct 1 + 6:00 RussiaAsia TAS%sT 1991 Mar 31 2:00 # Tashkent Time + 5:00 - TAST 1991 Sep 1 # independence + 5:00 - UZT 1992 + 5:00 RussiaAsia UZ%sT 1993 + 5:00 - UZT Zone Asia/Tashkent 4:37:12 - LMT 1924 May 2 - 5:00 - TAST 1957 Mar # Tashkent Time + 5:00 - TAST 1930 Jun 21 # Tashkent Time 6:00 RussiaAsia TAS%sT 1991 Mar 31 2:00s - 5:00 1:00 TASST 1991 Sep 29 2:00s - 5:00 - UZT # Uzbekistan Time -# Shanks has Tashkent using DST after 1991, but usno1995 says they don't. -# Guess no DST after 1991. -# (1995) -# says that Uzbekistan has two time zones, but a cable -# (1996-05-10) -# from the American Embassy in Tashkent implies that they have just one. + 5:00 - TAST 1991 Sep 1 # independence + 5:00 - UZT 1992 + 5:00 RussiaAsia UZ%sT 1993 + 5:00 - UZT # Vietnam # From Paul Eggert (1993-11-18): diff --git a/share/zoneinfo/australasia b/share/zoneinfo/australasia index d981a6a9168b..7e52f181fe57 100644 --- a/share/zoneinfo/australasia +++ b/share/zoneinfo/australasia @@ -1,4 +1,4 @@ -# @(#)australasia 7.34 +# @(#)australasia 7.44 # This file also includes Pacific islands. # Notes are at the end of this file @@ -158,9 +158,6 @@ Zone Australia/Lord_Howe 10:36:20 - LMT 1895 Feb 10:30 LH LHST # Australian miscellany -# Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone Indian/Christmas 7:02:52 - LMT 1895 Feb - 7:00 - CXT # Christmas Island Time # # Ashmore Is, Cartier # no indigenous inhabitants; only seasonal caretakers @@ -178,12 +175,17 @@ Zone Indian/Christmas 7:02:52 - LMT 1895 Feb # Manihiki, Penrhyn, Rakehanga # no information +# Christmas +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Indian/Christmas 7:02:52 - LMT 1895 Feb + 7:00 - CXT # Christmas Island Time # Cook Is +# From Shanks (1995): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Cook 1978 only - Nov 12 0:00 0:30 HS -Rule Cook 1979 max - Mar Sun>=1 0:00 0 - -Rule Cook 1979 max - Oct lastSun 0:00 0:30 HS +Rule Cook 1979 1991 - Mar Sun>=1 0:00 0 - +Rule Cook 1979 1990 - Oct lastSun 0:00 0:30 HS # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Pacific/Rarotonga -10:39:04 - LMT 1901 # Avarua -10:30 - CKT 1978 Nov 12 # Cook Is Time @@ -207,27 +209,14 @@ Zone Pacific/Marquesas -9:18:00 - LMT 1912 Oct -9:30 - MART # Marquesas Time Zone Pacific/Tahiti -9:58:16 - LMT 1912 Oct # Papeete -10:00 - TAHT # Tahiti Time +# Clipperton (near North America) is administered from French Polynesia; +# it is uninhabited. # Guam # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Pacific/Guam 9:39:00 - LMT 1901 # Agana 10:00 - GST -# Howland, Baker -# uninhabited since World War II -# no information; was probably like Pacific/Pago_Pago - -# Jarvis -# uninhabited since 1958 -# no information; was probably like Pacific/Kiritimati - -# Johnston -# Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone Pacific/Johnston -10:00 - HST - -# Kingman -# uninhabited - # Kiribati # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Pacific/Tarawa 11:32:04 - LMT 1901 # Bairiki @@ -282,9 +271,8 @@ Zone Pacific/Nauru 11:07:40 - LMT 1921 Jan 15 # Uaobe # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule NC 1977 1978 - Dec Sun>=1 0:00 1:00 S Rule NC 1978 1979 - Feb 27 0:00 0 - -Rule NC 1996 only - Dec 1 2:00s 1:00 S -Rule NC 1997 max - Mar Sun>=1 2:00s 0 - -Rule NC 1997 max - Nov lastSun 2:00s 1:00 S +Rule NC 1996 only - Dec 1 2:00s 1:00 S +Rule NC 1997 only - Mar 2 2:00s 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Pacific/Noumea 11:05:48 - LMT 1912 Jan 13 11:00 NC NC%sT @@ -303,7 +291,7 @@ Rule NZ 1928 only - Nov 4 2:00 0:30 HD Rule NZ 1929 only - Oct 30 2:00 0:30 HD Rule NZ 1930 1933 - Mar Sun>=15 2:00 0 S Rule NZ 1930 1933 - Oct Sun>=8 2:00 0:30 HD -# Whitman says DST went on and off during war years, and the base GMT offset +# Whitman says DST went on and off during war years, and the base UT offset # didn't change until 1945 Apr 30; go with Shanks. Rule NZ 1934 1940 - Apr lastSun 2:00 0 S Rule NZ 1934 1939 - Sep lastSun 2:00 0:30 HD @@ -352,9 +340,6 @@ Zone Pacific/Norfolk 11:11:52 - LMT 1901 # Kingston Zone Pacific/Palau 8:57:56 - LMT 1901 # Koror 9:00 - PWT # Palau Time -# Palmyra -# uninhabited since World War II; was probably like Pacific/Kiritimati - # Papua New Guinea # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Pacific/Port_Moresby 9:48:40 - LMT 1880 @@ -402,6 +387,39 @@ Zone Pacific/Tongatapu 12:19:20 - LMT 1901 Zone Pacific/Funafuti 11:56:52 - LMT 1901 12:00 - TVT # Tuvalu Time + +# US minor outlying islands + +# Howland, Baker +# uninhabited since World War II +# no information; was probably like Pacific/Pago_Pago + +# Jarvis +# uninhabited since 1958 +# no information; was probably like Pacific/Kiritimati + +# Johnston +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Pacific/Johnston -10:00 - HST + +# Kingman +# uninhabited + +# Midway +Zone Pacific/Midway -11:49:28 - LMT 1901 + -11:00 - NST 1967 Apr # N=Nome + -11:00 - BST 1983 Nov 30 # B=Bering + -11:00 - SST # S=Samoa + +# Palmyra +# uninhabited since World War II; was probably like Pacific/Kiritimati + +# Wake +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Pacific/Wake 11:06:28 - LMT 1901 + 12:00 - WAKT # Wake Time + + # Vanuatu # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Vanuatu 1983 only - Sep 25 0:00 1:00 S @@ -414,11 +432,6 @@ Rule Vanuatu 1992 only - Oct Sun>=23 0:00 1:00 S Zone Pacific/Efate 11:13:16 - LMT 1912 Jan 13 # Vila 11:00 Vanuatu VU%sT # Vanuatu Time -# Wake -# Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone Pacific/Wake 11:06:28 - LMT 1901 - 12:00 - WAKT # Wake Time - # Wallis and Futuna # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Pacific/Wallis 12:15:20 - LMT 1901 @@ -434,8 +447,8 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # From Paul Eggert (1996-11-22): # A good source for time zone historical data outside the U.S. is -# Thomas G. Shanks, The International Atlas (3rd edition), -# San Diego: ACS Publications, Inc. (1991). +# Thomas G. Shanks, The International Atlas (4th edition), +# San Diego: ACS Publications, Inc. (1995). # # Gwillim Law writes that a good source # for recent time zone data is the International Air Transport @@ -472,8 +485,6 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # # See the `northamerica' file for Hawaii. # See the `southamerica' file for Easter I and the Galapagos Is. -# -# See the `africa' file for time zone naming and abbreviation conventions. ############################################################################### @@ -511,6 +522,25 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # and perhaps the newspaper's `2:00' is referring to standard time. # For now we'll continue to assume 2:00s for changes since 1960. +# From Eric Ulevik (1998-01-05): +# +# Here are some URLs to Australian time legislation. These URLs are stable, +# and should probably be included in the data file. There are probably more +# relevant entries in this database. +# +# NSW (including LHI and Broken Hill): +# +# Standard Time Act 1987 (updated 1995-04-04) +# +# ACT +# +# Standard Time and Summer Time Act 1972 +# +# SA +# +# Standard Time Act, 1898 +# + # Northern Territory # From George Shepherd via Simon Woodhead via Robert Elz (1991-03-06): @@ -783,7 +813,7 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # # YANCOWINNA.. [ Confirmation courtesy of Broken Hill Postmaster ] # # [ Dec 1990 ] # ... -# # Yancowinna uses Central Standard Time, despite it's location on the +# # Yancowinna uses Central Standard Time, despite [its] location on the # # New South Wales side of the S.A. border. Most business and social dealings # # are with CST zones, therefore CST is legislated by local government # # although the switch to Summer Time occurs in line with N.S.W. There have @@ -804,7 +834,7 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # hour ahead of NSW time. # From Paul Eggert (1995-12-19): -# For Lord Howe we use Shanks through its time of publication (1991). +# For Lord Howe we use Shanks through 1991. # Lord Howe is part of NSW, so we'll guess it has used the same transition # times as NSW since 1991, even though Shanks writes that Lord Howe went # with Victoria when NSW and Victoria disagreed in 1982. diff --git a/share/zoneinfo/backward b/share/zoneinfo/backward index 59fcffcdffe3..84f3de51b15a 100644 --- a/share/zoneinfo/backward +++ b/share/zoneinfo/backward @@ -1,4 +1,4 @@ -# @(#)backward 7.13 +# @(#)backward 7.15 # This file provides links between current names for time zones # and their old names. Many names changed in late 1993. @@ -38,7 +38,6 @@ Link America/Havana Cuba Link Africa/Cairo Egypt Link Europe/Dublin Eire Link Europe/London GB -Link Etc/GMT GMT Link Etc/GMT+0 GMT+0 Link Etc/GMT-0 GMT-0 Link Etc/GMT0 GMT0 diff --git a/share/zoneinfo/etcetera b/share/zoneinfo/etcetera index c47fae7a68c3..4fb27acff37c 100644 --- a/share/zoneinfo/etcetera +++ b/share/zoneinfo/etcetera @@ -1,4 +1,4 @@ -# @(#)etcetera 7.6 +# @(#)etcetera 7.10 # These entries are mostly present for historical reasons, so that # people in areas not otherwise covered by the tz files could "zic -l" @@ -10,6 +10,12 @@ Zone Etc/GMT 0 - GMT Zone Etc/UTC 0 - UTC Zone Etc/UCT 0 - UCT +# The following link uses older naming conventions, +# but it belongs here, not in the file `backward', +# as functions like gmtime load the "GMT" file to handle leap seconds properly. +# We want this to work even on installations that omit the other older names. +Link Etc/GMT GMT + Link Etc/UTC Etc/Universal Link Etc/UTC Etc/Zulu @@ -20,7 +26,7 @@ Link Etc/GMT Etc/GMT0 # We use POSIX-style signedness in the names and output, # internal-style signedness in the specifications. -# For example, TZ=Etc/GMT+4 corresponds to 4 hours _behind_ GMT; +# For example, TZ=Etc/GMT+4 corresponds to 4 hours _behind_ UTC; # it is equivalent to TZ=GMT+4, which is implemented directly as per POSIX. # Earlier incarnations of this package were not POSIX-compliant, diff --git a/share/zoneinfo/europe b/share/zoneinfo/europe index 2948ba1cafda..9e908327590f 100644 --- a/share/zoneinfo/europe +++ b/share/zoneinfo/europe @@ -1,4 +1,4 @@ -# @(#)europe 7.46 +# @(#)europe 7.57 # This data is by no means authoritative; if you think you know better, # go ahead and edit the file (and please send any changes to @@ -6,8 +6,8 @@ # From Paul Eggert (1996-11-22): # A good source for time zone historical data outside the U.S. is -# Thomas G. Shanks, The International Atlas (3rd edition), -# San Diego: ACS Publications, Inc. (1991). +# Thomas G. Shanks, The International Atlas (4th edition), +# San Diego: ACS Publications, Inc. (1995). # # Gwillim Law writes that a good source # for recent time zone data is the International Air Transport @@ -37,8 +37,6 @@ # 2:00 EET EEST Eastern Europe # 3:00 MSK MSD Moscow # -# See the `africa' file for time zone naming and abbreviation conventions. -# # A reliable and entertaining source about time zones, especially in Britain, # is Derek Howse, Greenwich time and the discovery of the longitude, # Oxford University Press (1980). @@ -67,7 +65,7 @@ ############################################################################### -# United Kingdom +# Britain (United Kingdom) and Ireland (Eire) # The UK and its colonies adopted the Gregorian calendar on 1752-09-14. # From Peter Ilieve (1994-07-06): @@ -143,299 +141,387 @@ # If you can predict what Parliament will do, you should be in # politics making a fortune, not computing. -# From Peter Ilieve (1993-09-03): -# -# Our Government...couldn't...make a decision after the 1989 consultation -# exercise about the UK changing its timezone so it just let things drift -# (different from deciding to keep the status quo). According to the -# Summer Time Order 1992 (SI 1992/1729) the dates of Summer Time for 1993 -# and 1994 are: -# Start End -# 1993 28 March 24 October -# 1994 27 March 23 October -# All start and end times are at 01:00 GMT. -# -# There [was] an error in your tables for the start and end times prior to 1981. -# The UK always used to change at 02:00 GMT. In 1981 it changed to 01:00 GMT -# as a part of EC harmonisation and has remained at that time since. -# -# I have found the default algorithm for UK Summer Time, it is in the -# Summer Time Act 1972. Section 1 states that in the absence of an Order -# in Council Summer Time starts at 02:00 GMT on the morning of the day -# after the third Saturday in March, unless that day is Easter Day, in -# which case it is the morning of the day after the second Saturday. -# It ends at 02:00 GMT on the morning of the day after the fourth Saturday -# in October. (All the redundant `morning of the day ...' is in the Act.) -# This is only of passing interest now as it will always be overridden by -# an Order in Council (a Statutory Instrument, the SI thing mentioned above) -# to specify the EC specified dates. - -# From Peter Ilieve (1993-10-18): -# -# My contact in the Ministry of Defence Public Relations department -# accepted the challenge of looking into this and produced the following, -# from Hansard (the official record of the UK Parliament), Oral Answers, -# 1 March 1945, cols 1559--60: -# -# `58. Major Sir Goronwy Owen asked the Secretary of State for the Home -# Department if he is now able to state the Government's proposals -# regarding double summer time. -# -# [two other similar questions omitted] -# -# Mr. H. Morrison: The Government, in reviewing the matter, have -# considered, [...] the conclusion has been reached that the adoption of -# double summer time from the beginning of April is essential to the -# maintenance of the war effort. [...] As 1st April is Easter Sunday, -# when very early services are held in many churches, it is proposed that -# double summer time shall start not in the night preceding Easter -# Sunday, but in the night of Sunday- Monday so that it will operate from -# Monday, 2nd April.' - # From Chris Carrier <72157.3334@CompuServe.COM> (1996-06-14): # I remember reading in various wartime issues of the London Times the # acronym BDST for British Double Summer Time. Look for the published # time of sunrise and sunset in The Times, when BDST was in effect, and # if you find a zone reference it will say, "All times B.D.S.T." -# From Peter Ilieve (1993-09-03): +# From Peter Ilieve (1998-04-19): +# The following list attempts to show the complete history of Summer Time +# legislation in the United Kingdom, and has quite a bit to say about +# the Isle of Man and the Channel Islands as well. # -# > # Current rules -# > Rule GB-Eire 1981 max - Mar lastSun 1:00s 1:00 BST -# > Rule GB-Eire 1981 max - Oct Sun>=23 1:00s 0 GMT +# Things that I have not personally seen are marked (???). Things that +# I haven't seen but Joseph Myers has are marked (jsm). The problem +# with finding old Orders (rather than Acts) is that nobody seems to +# keep the actual documents themselves, not even the Government. They +# get bound into annual volumes, which are published, but by the time +# this happens the Orders are mainly spent as the years they refer +# to have come and gone, so they don't get included in the annual +# volumes. # -# The ending rule here doesn't match the EC rules, which specify the fourth -# Sunday in October for the UK and Eire. The `fourth Sunday' rule wasn't -# followed in 1989, but then the sixth EC directive wasn't in force then -# and I don't know what previous ones said. 1995 is the next year with -# the 4th Sun on 22 Oct, but that year isn't covered by the UK Summer Time -# Order or the sixth EC directive. Your Oct Sun>=23 rule matches history -# and with things only announced for 2 years or so in advance who knows -# what will happen. +# Thanks are due to my learned legal friend Lorna Montgomerie, who dug out +# the dusty old statutes, to Melanie Allison of the Ministry of Defence, +# who provided the wartime regulations and a snippet of Hansard explaining +# why double summer time started on a Monday in 1945 (it was Easter), +# and to Joseph Myers , who tracked down the Orders +# up to 1945, some of the old Acts, and the first five EC Directives. # -# There are renewed rumours that the Government here will make another -# attempt at resolving this issue, which is what prompted me to start -# asking the Home Office and the EC about it again. The EC categorically -# state they are not asking anybody to change timezone, they only want -# common start/end dates. The UK Govt. seem to want to change our zone -# and blame the resulting fuss on the EC. Me, I think we should scrap -# summer time completely, noon is when the Sun is overhead, and that should -# be the end of it. - -# From Peter Ilieve (1993-10-22): +# Some definitions: # -# I now have the text of the Summer Time Act 1916, the granddaddy of them all. -# It is headed: `An Act to provide for the Time in Great Britain and Ireland -# being in advance of Greenwich and Dublin mean time respectively in the -# summer months'. +# Great Britain: England, Scotland and Wales +# United Kingdom: Great Britain plus Ireland (up to 1922) or Northern +# Ireland (since 1922) +# S.I.: Statutory Instrument, the modern name for secondary legislation +# S.R.&O.: Statutory Rules and Orders, the older name for secondary legislation # -# It specifies 21 May and 1 October for 1916 (both at 02:00 GMT) and whatever -# dates an Order in Council may specify for subsequent years. +# Unless otherwise specified, Acts and secondary legislation are assumed +# to apply throughout the United Kingdom, but not to the Isle of Man +# or the Channel Islands. # -# Section 4 states: `This act shall apply to Ireland in like manner as it -# applies to Great Britain, with the substitution however of references -# to Dublin mean time for references to Greenwich mean time.' +# Some of the Acts and Orders I found in various libraries, and I don't +# have copies. When I looked at them I was looking for dates and not things +# like whether they applied to the Bailiwick of Jersey. I will try to +# check these documents again. # -# Lorna, my learned legal friend who supplied it, also offers this quote -# from Halsbury's Statutes on the extent of Acts: +# --- # -# `An Act of the United Kingdom Parliament is to be construed prima facie -# to apply to the whole of the United Kingdom and not to any place outside. -# [...] The expression "United Kingdom" for this purpose includes (since -# 1922) Great Britain (ie. England, Wales and Scotland) and Northern Ireland, -# but it does not include the Channel Islands or the Isle of Man.' +# - The Statutes (Definition of Time) Act, 1880 (43 & 44 Vict. c. 9) # -# She goes on to say the seminal event of 1922 was the establishment of -# the Irish Free State, now called Eire. +# Defined Greenwich mean time to be the standard time in Great Britain +# and Dublin mean time to be the standard time in Ireland, superseding +# various forms of local mean time. # -# The Act doesn't say anything about Wales (or Scotland) so I would assert -# that Shanks is wrong here. I would like to know why he thinks Wales -# was different. +# - The Statutory Time Act, 1883 (???) # -# It also confirms the fact that Ireland followed Dublin time back then, -# and 25 minutes behind Greenwich, as Shanks has it, would be correct. - -# From Peter Ilieve (1993-10-28): +# An Act of Tynwald, the Isle of Man Parliament. It appears to have +# defined the standard time on the Isle of Man as GMT but as I haven't +# seen it I don't know if it used Greenwich mean time, some other definition, +# or just said that Isle of Man time would be the same as in Great Britain. # -# I now have before me, thanks to my learned legal friend Lorna, the text of -# the Time (Ireland) Act 1916. +# - The Isle of Man (War Legislation) Act, 1914 (4 & 5 Geo. 5. c. 62) # -# It says that as from 2 AM Dublin Mean Time on 1 October 1916 the time -# for general purposes in Ireland shall be the same as the rest of Great -# Britain (ie. GMT with the Summer Time periods specified by the Summer Time -# Act 1916).... As Ireland was behind GMT/BST at 02:00 DMT on 1 Oct GB would -# have already put the clocks back. Using DST as Dublin Summer Time the -# sequence would have been: -# Dublin London -# 02:34 DST 02:59 BST -# 02:35 DST 02:00 GMT -# 02:59 DST 02:24 GMT -# 02:25 GMT 02:25 GMT -# with the transition 03:00 DST -> 02:00 DMT -> 02:25 GMT all at once. +# Gives the power, by Order in Council, to extend wartime legislation +# to the Isle of Man. # -# In a table of repeals in the Schedule to the Act it mentions the -# Statutes (Definition of Time) Act 1880. This is presumably the source -# of the 1880 date in Shanks. The little bit of it that is repealed -# also refers solely to Ireland and Dublin Mean Time. - -# From Peter Ilieve (1993-10-29): +# - The Summer Time Act, 1916 (6 & 7 Geo. 5. c. 14) # -# My case is that, with the sole exception of Ireland in 1916 using Dublin -# Mean Time, Summer Time has been uniform throughout the United Kingdom -# ever since it first started in 1916. +# Introduced Summer Time for the first time, in Great Britain and Ireland. +# Specified a one hour offset from GMT (DMT in Ireland), dates of +# Sunday 21 May and Sunday 1 October and times of 02:00 (GMT/DMT). +# Gave a power to make Orders in subsequent years, for the duration +# of the then current war. # -# The United Kingdom is England, Wales and Scotland plus all of Ireland from -# 1916 up to and including 1921, or plus Northern Ireland from 1922 to date. +# - The Time (Ireland) Act, 1916 (6 & 7 Geo. 5. c. 45) # -# The dates used are those specified in the table in Summer Time: A Consultation -# Document (Cm 722, 1989) that are now included in the europe file, with a -# change to a single date, the start in 1924. I made a typo in my 1989 mail -# and the table itself is also wrong. The correct date is 13 April. -# The times were 02:00 GMT up to and including 1980, 01:00 GMT from 1981 on, -# except for wartime double summer time. +# This abolished Dublin mean time at 02:00 DMT on Sunday 1 October 1916, +# bringing the whole of the United Kingdom onto GMT. As Ireland was behind +# GMT/BST at 02:00 DMT on 1 Oct Great Britain had already put the clocks back. +# Using Paul Eggert's suggestion of IST for Irish Summer Time and the figure +# derived from Whitman for the offset of IST from GMT (00:34:39) the sequence +# would have been: +# Dublin London +# 02:34:38 IST 02:59:59 BST +# 02:34:39 IST 02:00:00 GMT +# 02:59:59 IST 02:25:20 GMT +# 02:25:21 GMT 02:25:21 GMT +# with the transition 03:00:00 IST -> 02:00:00 DMT -> 02:25:21 GMT all at once. # -# As evidence I would cite: +# - S.R.&O. 1916, No. 382 # -# - The Summer Time Act, 1916. +# An Order made under the Isle of Man (War Legislation) Act, 1914 +# extending the Summer Time Act, 1916 to the Isle of Man. Dated +# 23 May 1916, two days after the start of Summer Time, but it says that +# the Act is deemed to have taken effect in the Isle of Man at the same +# time as it took effect in the United Kingdom. # -# This specifically states that it applies to Ireland, specifies dates of -# 21 May and 1 October and times of 02:00, and says that in Ireland the -# times relate to Dublin mean time. It specifies an offset of 1 hour. +# - S.R.&O. 1917, No. 362 # -# - The Time (Ireland) Act, 1916 +# An Order made under the Summer Time Act, 1916 giving dates +# for Summer Time in 1917 of Sunday 8 April to Monday 17 September, +# both at 02:00 GMT. Note that Summer Time ends on a Monday. # -# This abolishes Dublin mean time on 02:00 DMT 1 October 1916. -# It repeals that section of the Statutes (Definition of Time) Act, 1880 -# that specifies DMT. It is therefore a safe bet that DMT existed at least -# from 1880 and was the only alternative standard time in the UK. +# - S.R.&O. 1917, No. 358 # -# - The Summer Time Act, 1922 +# An Order made under the Summer Time (Isle of Man) Act, 1916 +# (the thing created by S.R.&O. 1916, No. 382) specifying the same +# dates of 8 April to 17 September, at 02:00 GMT for the Isle of Man. +# +# - S.R.&O. 1918, No. 274 +# +# An Order made under the Summer Time Act, 1916 giving dates +# for Summer Time in 1918 of Sunday 24 March to Monday 30 September, +# both at 02:00 GMT. +# +# - S.R.&O. 1918, No. 429 +# +# The matching Isle of Man Order for 1918 with the same dates and times. +# +# - The Termination of the Present War (Definition) Act, 1918 +# (8 & 9 Geo. 5. c. 59) +# +# This gave power to specify a legal end date for the war just ended, +# which would affect things like the Summer Time Act, 1916, which applied +# only in wartime. This date was to be close to the date of formal +# ratification of the treaty or treaties of peace. +# +# - S.R.&O. 1919, No. 297 +# +# An Order made under the Summer Time Act, 1916 giving dates +# for Summer Time in 1919 of Sunday 30 March to Monday 29 September, +# both at 02:00 GMT. +# +# - S.R.&O. 1919, No. 366 +# +# The matching Isle of Man Order for 1919 with the same dates and times. +# +# - S.R.&O. 1920, No. 458 +# +# An Order made under the Summer Time Act, 1916 giving dates +# for Summer Time in 1920 of Sunday 28 March to Monday 27 September, +# both at 02:00 GMT. +# +# - S.R.&O. 1920, No. 573 +# +# The matching Isle of Man Order for 1920 with the same dates and times. +# +# - S.R.&O. 1920, No. 1844 +# +# An Order modifying both S.R.&O. 1920, No. 458 and S.R.&O. 1920, No. 573 to +# change the end date for Summer Time from Monday 27 September to +# Monday 25 October (the time remaining 02:00 GMT). The 1989 Green +# Paper (Cm 722) says this was done because of a coal strike. +# +# - The War Emergency Laws (Continuance) Act, 1920 (10 Geo. 5. c. 5) +# +# This extends the power to make Orders under the Summer Time Act, 1916 +# for a period of 12 months after the termination of the war. +# Came into force on 31 March 1920. Although the war had been over for more +# than 12 months by then the legal end date had not yet been set. +# +# - S.R.&O. 1921, No. 363 +# +# An Order made under the Summer Time Act, 1916 and the War +# Emergency Laws (Continuance) Act, 1920 giving dates for Summer Time +# in 1921 of Sunday 3 April to Monday 3 October, both at 02:00 GMT. +# +# - S.R.&O. 1921, No. 364 +# +# The matching Isle of Man Order for 1921 with the same dates and times. +# +# - S.R.&O. 1922, No. 264 +# +# An Order made under the Summer Time Act, 1916 and the War +# Emergency Laws (Continuance) Act, 1920 giving dates for Summer Time +# in 1921 of Sunday 26 March to Sunday 8 October, both at 02:00 GMT. +# It also mentions the arrangements for defining the legal end date +# for the late war. An Order was made on 10 August 1921, under the +# Termination of the Present War (Definition) Act, 1918, setting +# a date of 31 August 1921. This means the powers of the Summer Time +# Act, 1916 would finally expire on 31 August 1922. +# +# - S.R.&O. 1922, No. 290 (???) +# +# This is probably the matching Isle of Man Order. +# +# - The Summer Time Act, 1922 (12 & 13 Geo. 5. c. 22) # # This specifies an offset of 1 hour and dates of the day after the third # Saturday in April, unless that be Easter, in which case it is the day after # the second Saturday, and the day after the third Saturday in September. # The time is 02:00 GMT. It applied in 1922 and 1923, and longer if Parliament -# so approved. +# so approved. It applied to the Isle of Man and the Channel Islands as well. +# Came into Force on 20 July 1920. Note the reversion to ending on a Sunday. # -# It specifically states that it applies to Northern Ireland, the Channel -# Islands, and the Isle of Man. +# - S.R.&O. 1922, No. 1205 # -# - The Summer Time Act, 1925 +# An Order made under the War Emergency Laws (Continuance) Act, 1920 +# dated 13 October 1922. It revokes (among other things) the Order extending +# the Summer Time Act, 1916 to the Isle of Man. +# +# - The Expiring Laws Continuance Act, 1923 (13 & 14 Geo. 5. c. 37) +# +# This extended the Summer Time Act, 1922 (among other things) until +# 31 December 1924. +# +# - The Expiring Laws Continuance Act, 1924 (15 Geo. 5. c. 1) (jsm) +# +# This further extended the Summer Time Act, 1922 (among other things) until +# 31 December 1925. +# +# - The Time Act (Northern Ireland), 1924 (14 & 15 Geo. 5. c. 24 (N.I.)) +# +# This Act says that while it remains in force, any Act or Order relating +# to the time for general purposes in Great Britain shall also apply +# in Northern Ireland, and the Time (Ireland) Act, 1916 shall have effect +# accordingly. +# +# - The Summer Time Act, 1925 (15 & 16 Geo. 5. c. 64) # # This makes the 1922 Act permanent, with a change to the end date to the -# day after the first Saturday in October. It says nothing about extent, -# so that part of the 1922 Act will still apply. +# day after the first Saturday in October. Came into force on 7 August 1925. # -# - The Defence (Summer Time) Regulations, 1939, SR&O 1939 No. 1379 -# [SR&O == Statutory Regulation and Order] +# - The Emergency Powers (Defence) Act, 1939 (2 & 3 Geo. 6. c. 62) (???) +# +# I haven't seen this one. It presumably gave the Government powers to +# do all manner of things during the newly started war. +# +# - The Defence (Summer Time) Regulations, 1939, S.R.&O. 1939, No. 1379 # # These were made under the Emergency Powers (Defence) Act, 1939. -# It changes the end date to be the day after the third Saturday in November. -# It makes consequential changes to some vehicle lighting legislation, -# which includes the Motor Vehicles and Road Traffic (Northern Ireland) Act, -# 1934, so it seems clear it applies in Northern Ireland. +# They change the end date to be the day after the third Saturday in November. # -# - An Order in Council amending the The Defence (Summer Time) Regulations, -# 1939, SR&O 1940 No. 1883 +# - S.R.&O. 1940, No. 172 # +# An Order in Council amending the Defence (Summer Time) Regulations, 1939. +# It changed the start date to the day after the fourth Saturday in February +# (ie. 25 Feb 1940). +# +# - S.R.&O. 1940, No. 1883 +# +# Another Order amending the Defence (Summer Time) Regulations, 1939. # This continues summer time throughout the year after it starts in 1940. -# It says nothing about extent and has no consequential changes. # -# - An Order in Council amending the The Defence (Summer Time) Regulations, -# 1939, SR&O 1941 No. 476 +# - S.R.&O. 1941, No. 476 # +# Another Order amending the Defence (Summer Time) Regulations, 1939. # This introduces double summer time, starting at 01:00 GMT on the day after # the first Saturday in May and ending at 01:00 GMT on the day after the # second Saturday in August, offset another hour from normal summer time, -# which continues throughout the rest of the year. It goes on a lot about -# consequential changes to agricultural wages legislation, and says in part -# `... and in its application to Northern Ireland have effect as -# if for the references to the Agricultural Wages (Regulation) Acts, 1924 and -# 1940, there were substituted references to the Agricultural Wages (Regulation) -# Acts (Northern Ireland), 1939 and 1940, ...'. It also has a similar section -# for Scotland. Both sections substitute the local Agricultural Wages Board -# for the Agricultural Wages Board for England and Wales, showing that -# England and Wales were indivisible. +# which continues throughout the rest of the year. # -# - An Order in Council amending the The Defence (Summer Time) Regulations, -# 1939, SR&O 1942 No. 506 +# - S.R.&O. 1942, No. 506 # -# This changes the start date of double summer time to the day after the first -# Saturday in April. It says nothing about extent. +# Another Order amending the Defence (Summer Time) Regulations, 1939. +# This changes the start date of Double Summer Time to the day after the first +# Saturday in April, bringing it forward from May. # -# - An Order in Council amending the The Defence (Summer Time) Regulations, -# 1939, SR&O 1944 No. 932 +# - S.R.&O. 1944, No. 932 # -# This changed the end date of double summer time to 17 September 1944. -# (I don't have the text of this, just a note of what it did, the text almost -# certainly had the `day after the nth Saturday' form.) +# Another Order amending the Defence (Summer Time) Regulations, 1939. +# This changed the end date of Double Summer Time to the day after the +# third Saturday in September (ie. 17 September 1944). # -# (I am missing whatever regulations there were to change things in 1945 -# and the Summer Time Act, 1947.) +# - S.R.&O. 1945, No. 312 # -# - The British Standard Time Act, 1968 +# Another Order amending the Defence (Summer Time) Regulations, 1939. +# This changes the start and end dates of Double Summer Time to the +# day after the first Sunday in April and the day after the second Saturday +# in July (ie. Mon 2 April to Sun 15 July). +# +# I have this quote from Hansard (the official record of the United Kingdom +# Parliament), Oral Answers, 1 March 1945, cols 1559--60, explaining the +# unusual start on a Monday: +# +# `58. Major Sir Goronwy Owen asked the Secretary of State for the Home +# Department if he is now able to state the Government's proposals +# regarding double summer time. +# +# [two other similar questions omitted] +# +# Mr. H. Morrison: The Government, in reviewing the matter, have +# considered, [...] the conclusion has been reached that the adoption of +# double summer time from the beginning of April is essential to the +# maintenance of the war effort. [...] As 1st April is Easter Sunday, +# when very early services are held in many churches, it is proposed that +# double summer time shall start not in the night preceding Easter +# Sunday, but in the night of Sunday-Monday so that it will operate from +# Monday, 2nd April.' +# +# - S.R.&O. 1945, No. 1208 +# +# An Order under the Emergency Powers (Defence) Acts, 1939 and 1940 revoking +# a long list of things, including the Defence (Summer Time) Regulations, 1939. +# This meant that Summer Time reverted to being set by the 1922 and 1925 Acts. +# It was made on 28 September, early enough to end Summer Time on the +# date defined by the 1925 Act: 7 October. +# +# - The Summer Time Act, 1947 (10 & 11 Geo. 6. c. 16) +# +# Came into force on 11 March 1947. Amended the Summer Time Acts, 1922 and +# 1925 to change the dates of Summer Time and to introduce Double Summer Time +# (although it doesn't give this, or any, name for this period of 2 hour +# offset from GMT). Dates are given for 1947 only and are: 02:00 GMT Sunday +# 16 March, 01:00 GMT Sunday 13 April, 01:00 GMT Sunday 10 August, and 02:00 +# Sunday 2 November. It gave a power to make Orders for subsequent years, +# both to vary the dates and to continue Double Summer Time. It applied +# to the Isle of Man and the Channel Islands. +# +# - Summer Time Order, 1948 (S.I. 1948/495) +# +# An Order made under the Summer Time Act, 1947. Gave dates for 1948 of +# 14 March and 31 October, both at 02:00 GMT. +# +# Although the 1947 Act had legislated for Double Summer Time, this was +# not continued after 1947. +# +# - Summer Time Order, 1949 (S.I. 1949/373) +# +# Another Order made under the Summer Time Act, 1947. Gave dates for 1949 +# of 3 April and 30 October, both at 02:00 GMT. +# +# - Summer Time Order, 1950 (S.I. 1950/518) +# +# Another Order made under the Summer Time Act, 1947. Gave dates for 1950 +# of 16 April and 22 October, both at 02:00 GMT. +# +# - Summer Time Order, 1951 (S.I. 1951/430) +# +# Another Order made under the Summer Time Act, 1947. Gave dates for 1951 +# of 15 April and 21 October, both at 02:00 GMT. +# +# - Summer Time Order, 1952 (S.I. 1952/451) +# +# Another Order made under the Summer Time Act, 1947. Gave dates for 1952 +# of 20 April and 26 October, both at 02:00 GMT. +# +# This is the last of this run of Orders, so for 1953 things reverted +# to the 1922 and 1925 Acts. +# +# - The Interpretation Act (Northern Ireland), 1954 (1954 c. 33 (N.I.)) (???) +# +# I presume that section 39 of this Act is similar to section 9 of the +# Interpretation Act, 1978 (listed below) in specifying GMT as the +# legal time in Northern Ireland, replacing the Time (Ireland) Act, 1916. +# +# - Summer Time Order, 1961 (S.I. 1961/71) +# +# Specified dates of 26 March and 29 October (02:00 GMT) for 1961 +# +# - Summer Time (1962) Order, 1961 (S.I. 1961/2465) +# +# Specified dates of 25 March to 28 October (02:00 GMT) for 1962. +# +# - Summer Time Order, 1963 (S.I. 1963/81) +# +# Specified dates of 31 March to 27 October (02:00 GMT) for 1963. +# +# - Summer Time (1964) Order, 1963 (S.I. 1963/2101) +# +# Specified dates of 22 March to 25 October (02:00 GMT) for 1964. +# +# - Summer Time Order, 1964 (S.I. 1964/1201) +# +# Specified dates for three years (all 02:00 GMT): +# 1965: 21 March to 24 October +# 1966: 20 March to 23 October +# 1967: 19 March to 29 October +# +# - Summer Time Order, 1967 (S.I. 1967/1148) +# - Summer Time Order, 1968 (S.I. 1968/117) +# +# The first of these specifies dates for 1968 of 18 February for the United +# Kingdom but 7 April for the Isle of Man, both ending on 27 October, +# all at 02:00 GMT. The second Order changes the Isle of Man start date +# to 18 February to match the United Kingdom. +# +# - The British Standard Time Act 1968 (1968 c. 45) # # This came into force on 27 October 1968 and continued summer time throughout -# the year as an experiment until it expired on 31 October 1971. -# There was no double summer time so we didn't have to change the clocks at all. -# It specifically said it applied to Northern Ireland. It also said it -# applied to Jersey, Guernsey and the Isle of Man unless they passed -# measures saying it didn't. -# -# - The Manx Time Act, 1968 -# -# This is an Act of Tynwald (the Isle of Man Parliament) that said that -# henceforth Manx time would be the same as the time in Great Britain. -# -# - The Summer Time Act, 1972 -# -# This specified a reversion to normal summer time behaviour with a start -# date of the day after the third Saturday in March, unless that is Easter, -# when it is the day after the second Saturday, and an end date of the day -# after the fourth Saturday in October. Times are at 02:00 GMT, offset is -# 1 hour. -# -# It has the same wording about extent as the British Standard Time Act, 1968, -# applying to Northern Ireland unconditionally and to Jersey, Guernsey and the -# Isle of Man if they don't do something about it. -# -# (I am missing various Summer Time Orders that modified the 1972 Act to -# harmonise with the EC since 1981. The major change is that the time changes -# to 01:00 GMT.) -# -# - The Summer Time Order, 1992, SI 1992/1729 [SI == Statutory Instrument] -# -# This specifies dates of: -# Start End -# 1993 28 March 24 October -# 1994 27 March 23 October -# All start and end times are at 01:00 GMT.... -# -# - Some text on the extent of Acts, from Halsbury's Statutes -# -# `An Act of the United Kingdom Parliament is to be construed prima facie -# to apply to the whole of the United Kingdom and not to any place outside. -# [...] The expression "United Kingdom" for this purpose includes (since -# 1922) Great Britain (ie. England, Wales and Scotland) and Northern Ireland, -# but it does not include the Channel Islands or the Isle of Man.' -# -# So, many of these measures specifically include Northern Ireland, -# the Channel Islands and the Isle of Man. None of them exclude any -# part of the UK. The default interpretation of Acts is that they apply -# throughout the UK. -# -# With that, I rest my case Milud :-) -# -# Thanks are due to my learned legal friend Lorna Montgomerie, who dug out -# the dusty old statutes, and to Melanie Allison of the Ministry of Defence, -# who provided the wartime regulations and a snippet of Hansard explaining -# why double summer time started on a Monday in 1945 (it was Easter). - -# From Peter Ilieve (1996-05-29): -# I have now got a copy of the British Standard Time Act 1968. -# It says (S4(2)) that it expires at 02:00 GMT on 31 October 1971 unless -# an Order in Council was passed in Parliament to make the Act permanent. -# No Order was passed, so 02:00 1971-10-31 it is... +# the year. It expired at 02:00 GMT on 31 October 1971, as specified in the +# Act, as Parliament did not move to make this experment permanent. +# It applied to the Isle of Man and the Channel Islands. # # Interestingly, it says baldly `This Act shall come into force on # 27 October 1968', without giving a time. As S1 of the Act merely @@ -445,218 +531,184 @@ # possibly argue that the start time of BStandardT was 00:00 1968-10-27, # especially as the Act repealed the Summer Time Acts 1916--1947 in toto, # thereby destroying the authority of the Summer Time Order specifying -# summer time in 1968.... +# summer time in 1968. +# +# - The Manx Time Act 1968 +# +# This is an Act of Tynwald (the Isle of Man Parliament) that said that +# henceforth Manx time would be the same as the time in Great Britain. +# +# - The Summer Time Act 1972 (1972 c. 6) +# +# This specified a reversion to normal Summer Time behaviour with a start +# date of the day after the third Saturday in March, unless that is Easter, +# when it is the day after the second Saturday, and an end date of the day +# after the fourth Saturday in October. Times are at 02:00 GMT, offset is +# 1 hour. It gives the power to make Orders to vary these dates and +# times. This Act is still in force and is the legal authority for +# implementing the EC Directives in the United Kingdom. +# +# - The Interpretation Act 1978 (1978 c. 30) +# +# Section 9 of this Act replaces section 1 of the Statutes (Definition of +# Time) Act, 1880 with very similar wording maintaining GMT as the legal +# time in Great Britain. This does not apply in Northern Ireland (it +# has its own Interpretation Act listed above). +# +# - Council Directive of 22 July 1980 on summertime arrangements (80/737/EEC) +# +# The first of the European Directives on Summer Time. It specified start +# dates for 1981 and 1982. No agreement had been reached on end dates. +# Only dates were given, there was no rule like `last Sunday in March'. +# The main change for the United Kingdom was a move to a 01:00 GMT change +# time. The dates: +# 1981: 29 March +# 1982: 28 March +# +# - Summer Time Order, 1980 (S.I. 1980/1089) +# +# Specified dates for 1981 and 1982, with the start dates as in the +# EC Directive and all times 01:00 GMT: +# 1981: 29 March to 25 October +# 1982: 28 March to 24 October +# +# - Second Council Directive of 10 June 1982 on summertime arrangements +# (82/399/EEC) +# +# The next European Directive. Specified dates for three years, 1983 to 1985. +# Agreement still hadn't been reached on a common end date, and wouldn't +# be until 1994 with the appeareance of the seventh Directive with a common +# date for 1996 and beyond, but this time the Directive gave two sets of +# end dates. The start date was specified by rule: the last Sunday in March. +# All times were 01:00 GMT. The end dates were given without rule, as: +# 1983: 25 September or 23 October +# 1984: 30 September or 28 october +# 1985: 29 September or 27 October +# +# - Summer Time Order, 1982 (S.I. 1982/1673) +# +# Implemented the second EC Directive, using the October end dates. +# 1983: 27 March to 23 October +# 1984: 25 March to 28 october +# 1985: 31 March to 27 October +# +# - Third Council Directive of 12 December 1984 on summertime arrangements +# (84/634/EEC) +# +# Specified start dates of the last Sunday in March and two sets of end +# dates, last Sunday in September and fourth Sunday in October, all at +# 01:00 GMT. The end dates were also specified as dates: +# 1986: 28 September or 26 October +# 1987: 27 September or 25 October +# 1988: 25 September or 23 October +# +# - Summer Time Order, 1986 (S.I. 1986/223) +# +# Implemented the third EC Directive, using the October end dates. +# 1986: 30 March to 26 October +# 1987: 29 March to 25 October +# 1988: 27 March to 23 October +# +# - Council Directive of 20 December 1985 amending Directive 84/634/EEC +# on summertime arrangements (85/582/EEC) +# +# This was to do with the accession of Spain and Portugal to the EEC. +# The previous directve had used wording like `Member States belonging +# to the zero (Greenwich) time zone' when refering to the different +# sets of end dates. Portugal was in that time zone but was not going +# to follow the United Kingdom and Ireland dates, so the text was reworded +# without any change to the dates themselves. +# +# - Fourth Council Directive of 22 December 1987 on summertime arrangements +# (88/14/EEC) +# +# This Directive covered only a single year: 1989. My guess is that +# this was because 1989 was one of the years when the historic United Kingdom +# end date of the Sunday after the fourth Saturday in October differed from +# the rule in the previous Directive of the fourth Sunday in October. +# All times are 01:00 GMT. No rule was specified, specific dates were given: +# 1989: 26 March to 24 September or 29 October +# +# - Summer Time Order, 1988 (S.I. 1988/931) +# +# Implemented the dates of 26 March to 29 October for 1989. +# +# - Fifth Council Directive of 21 December 1988 on summertime arrangements +# (89/47/EEC) +# +# Covered the three years 1990 to 1992. All times are 01:00 GMT. Gave both +# rules (last Sunday in March, last Sunday in September or fourth Sunday +# in October) and specific dates: +# 1990: 25 March to 30 September or 28 October +# 1991: 31 March to 29 September or 27 October +# 1992: 29 March to 27 September or 25 October +# +# - Summer Time Order, 1989 (S.I. 1989/985) +# +# Implemented the fifth Directive using the October end dates. +# +# - Sixth Council Directive 92/20/EEC of 26 March 1992 on summertime +# arrangements +# +# Covered the two years 1993 and 1994. All times are 01:00 GMT. Specified +# both rules (same as the fifth Directive) and specific dates: +# 1993: 28 March to 26 September or 24 October +# 1994: 27 March to 25 September or 23 October +# +# - Summer Time Order, 1992 (S.I. 1992/1729) +# +# Implemented the sixth Directive using the October end dates. +# +# - Seventh Directive 94/21/EC of the European Parliament and of the Council +# of 30 May 1994 on summer-time arrangements +# +# Covered the three years 1995 to 1997. Agreement had finally been reached +# on a common end date, to start in 1996. Both rules and dates were given. +# The rules were the same last Sunday in March to last Sunday in September +# or fourth Sunday in October for 1995, with the end rule changing to the +# last Sunday in October for 1996 and 1997. The year 1995 was another of +# the tricky ones where the EC and traditional United Kingdom rules differed +# but this time the UK changed on the fourth Sunday, 22 October, earlier +# than usual. All times are 01:00 GMT. Specific dates were also given: +# 1995: 26 March to 24 September or 22 October +# 1996: 31 March to 27 October +# 1997: 30 March to 26 October +# +# - Summer Time Order 1994 (S.I. 1994/2798) +# +# Implements the seventh Directive using the October end date in 1995. +# Applies also to the Bailiwick of Guernsey but not to the Bailiwick of +# Jersey or the Isle of Man, which have their own (unspecified) legislation +# on the subject. +# +# - Eighth Directive 97/44/EC of the European Parliament and of the Council +# of 22 July 1997 on summer-time arrangements +# +# Covers four years: 1998 to 2001. All times are 01:00 GMT. Specifies both +# rules, last Sunday in March and last Sunday in October, and specific dates: +# 1998: 29 March to 25 October +# 1999: 28 March to 31 October +# 2000: 26 March to 29 October +# 2001: 25 March to 28 October +# +# +# - Summer Time Order 1997 (S.I. 1997/2982) +# +# +# Implements the eighth Directive. Has the same text about the Isle of Man, +# Guernsey and Jersey as the 1994 Order. -# From Peter Ilieve (1993-11-18) +# From Joseph S. Myers (1998-01-06): # -# Here is a revised version of my tabrules file for the perl script I sent -# before. I have personally verified the various Orders back to 1953 and -# all the Acts. -# -# There are no changes to the dates we already have. -# -# My doubt about an early start in 1967 on 18 Feb was misplaced, the Order -# does say 18 Feb. This is an interesting case as the first Order gave a -# different date of 7 April 1967 for the Isle of Man but this was changed -# before it came into effect by another Order for the Isle of Man alone. -# -# I don't think I will be able to find any more of the earlier Orders. -# The annual volumes for 1949--52 do not contain the various Summer Time -# Orders. They therefore don't appear in the index. They rate a mention in -# italics in the numerical list at the start but that is all. -# I think what happens is that the annual volume is produced well after the -# end of the year in question, by which time the Summer Time Order is spent. -# They assume that nobody would ever be stupid enough to want to see it -# again so they leave it out. -# -# It might be a good idea to put this table, or the output of tabscript -# showing all the moves because of Easter, in the europe file comments in -# place of my old transcription of the Green Paper table [the UK Government -# paper "Summer Time: A Consultation Document" (HMSO Cm722 June 1989)]. -# -# Peter Ilieve peter@memex.co.uk -# -# -# ## control file for tabscript, a program to generate UK summer time dates -# ## matching the table in Cm 722, the 1989 Green Paper. -# ## Lines like this are comments. -# ## Lines with a single # at the start are copied into the output -# ## Control lines are of the form -# ## -# ## is either a single year or a hyphen separated range, with -- -# ## also accepted as I use this in TeX a lot. -# ## and are a digit followed bu a month name. -# ## It is either an nth Saturday or an explicit date, depending on . -# ## 0 and/or none are used when there is no date, as during 1968--71. -# ## can contain `fixed' to indicate explicit dates and `double' -# ## to indicate double summer time dates are present. -# ## At present double requires fixed as well. -# ## and are like the start and end dates, with -# ## the exception of the 0 and/or none feature. -# -# ## Blank lines are also ignored. -# -# ## Places where I am uncertain, not having personally verified the dates -# ## against the Act or Order, are marked ??? -# ## These dates are taken from the Cm 722 table. -# -# # Summer Time Act, 1916 -# 1916 21 May 1 October fixed -# -# ## I haven't yet looked for Orders for 1916--22 and I doubt I will find them. -# # unknown Order or Orders ??? -# 1917 8 apr 17 sep fixed -# 1918 24 mar 30 sep fixed -# 1919 30 mar 29 sep fixed -# # end date extended in 1920 from 27 Sep because of coal strike (from Cm 722) -# 1920 28 mar 25 oct fixed -# 1921 3 apr 3 oct fixed -# -# # Summer Time Act, 1922 -# # came into force 22 July 1922, too late for 1922, so missing Order ??? -# 1922 26 mar 8 oct fixed -# 1923-1924 3 April 3 September -# -# # Summer Time Act, 1925 -# 1925--1938 3 April 1 October -# -# # Defence (Summer Time) Regulations, 1939 -# 1939 3 April 3 November -# # 1940 amendment (SR&O 1940 Nos. 172 & 1883) -# 1940 4 feb 0 none -# # 1941 amendment (SR&O 1941 No. 476) -# 1941 0 none 0 none fixed,double 4 may 10 aug -# # 1942 amendment (SR&O 1942 No. 506) -# 1942 0 none 0 none fixed,double 5 apr 9 aug -# 1943 0 none 0 none fixed,double 4 apr 15 aug -# # 1944 amendment (SR&O 1944 No. 932) -# 1944 0 none 0 none fixed,double 2 apr 17 sep -# # 1945 dates from Hansard, Oral Answers, 1 March 1945 -# 1945 0 none 7 oct fixed,double 2 apr 15 jul -# -# # reversion to Summer Time Act, 1925 -# 1946 3 April 1 October -# -# # Summer Time Act, 1947 -# # Fixed dates for 1947 only, gives power to have double summer time -# 1947 16 mar 2 nov fixed,double 13 apr 10 aug -# ## I can't find any trace of the Order for 1948. -# # Unknown Order ??? -# 1948 14 mar 31 oct fixed -# ## I know the numbers for the 1949--52 ones but the text is missing from the -# ## annual volumes. I also don't know if the 49 Order was for 49 or 50, etc. -# # Summer Time Order, 1949 (SI1949/373) ??? -# 1949 3 apr 30 oct fixed -# # Summer Time Order, 1950 (SI1950/518) ??? -# 1950 16 apr 22 oct fixed -# # Summer Time Order, 1951 (SI1951/430) ??? -# 1951 15 apr 21 oct fixed -# # Summer Time Order, 1952 (SI1952/451) ??? -# 1952 20 apr 26 oct fixed -# -# # reversion to Summer Time Act, 1925 -# 1953--1960 3 April 1 October -# -# ## All Orders from here on specify fixed dates, not day after nth Sunday -# ## Start pattern looks like Mar lastSun up to 1963, Mar Sun>=19 up to 1967. -# ## End pattern looks like Oct Sun>=23 up to 1967. -# # Summer Time Order, 1961 (SI1961/71) -# 1961 26 March 29 October fixed -# # Summer Time (1962) Order, 1961 (SI1961/2465) -# 1962 25 Mar 28 Oct fixed -# # Summer Time Order, 1963 (SI1963/81) -# 1963 31 March 27 October fixed -# # Summer Time (1964) Order, 1963 (SI1963/2101) -# 1964 22 March 25 October fixed -# # Summer Time Order, 1964 (SI1964/1201) -# 1965 21 Mar 24 Oct fixed -# 1966 20 Mar 23 Oct fixed -# 1967 19 Mar 29 Oct fixed -# # Summer Time Order, 1967 (SI1967/1148) -# # Specifies different start date of 7 April for Isle of Man -# # Summer Time Order, 1968 (SI1968/117) -# # Changes Isle of Man start date to 18 Feb to match rest of UK -# # British Standard Time Act, 1968 -# 1968 18 feb 0 none fixed -# 1969--1970 0 none 0 none -# 1971 0 none 31 oct fixed -# -# # Summer Time Act, 1972 -# 1972-1980 3 March 4 October -# -# # The pattern here looks like Last Sun in Mar, day after 4th Sat in Oct -# # First EC Directive ??? -# # Summer Time Order, 1980 (SI1980/1089) -# 1981 29 Mar 25 Oct fixed -# 1982 28 Mar 24 Oct fixed -# # Second EC Directive ??? -# # Summer Time Order, 1982 (SI1982/1673) -# 1983 27 Mar 23 Oct fixed -# 1984 25 Mar 28 Oct fixed -# 1985 31 Mar 27 Oct fixed -# # Third EC Directive ??? -# # Summer Time Order, 1986 (SI1986/223) -# 1986 30 Mar 26 Oct fixed -# 1987 29 Mar 25 Oct fixed -# 1988 27 Mar 23 Oct fixed -# # Fourth EC Directive ??? -# # Summer Time Order, 1988 (SI1988/931) -# 1989 26 Mar 29 Oct fixed -# # Fifth EC Directive ??? -# # Summer Time Order, 1989 (SI1989/985) -# 1990 25 Mar 28 Oct fixed -# 1991 31 Mar 27 Oct fixed -# 1992 29 Mar 25 Oct fixed -# # Sixth EC Directive -# # Summer Time Order, 1992 (SI1992/1729) -# 1993 28 Mar 24 Oct fixed -# 1994 27 Mar 23 Oct fixed - -# From Peter Ilieve (1994-08-18): -# I now have the text of the 7th EC directive on summer time arrangements -# (94/21/EC), which was approved on 30 May.... -# The major changes from existing practice are that 1995 will be the last year -# that the UK and Eire finish on a different date from everyone else, -# and the common end date from 1996 onwards will be the last Sunday in October. -# Year Start End End (UK & Eire, 1995 only) -# (rule) (last Sun) (last Sun) (4th Sun) -# 1995 26 March 24 September 22 October -# 1996 31 March 27 October -# 1997 30 March 26 October -# -# From Peter Ilieve (1994-12-01): -# The final piece of the legislative jigsaw for summer time in the UK for -# 1995-97 is now in place. The Summer Time Order 1994 (SI 1994/2798) -# came into force on 16 November. It restates the dates from the EC -# seventh Summer Time Directive.... -# -# From Peter Ilieve (1997-08-06): -# I now have a copy of the ... Eighth Directive 97/44/EC of the European -# Parliament and of the Council of 22 July 1997 on summer-time arrangements. -# It runs for 4 years, 1998--2001, and confirms the current rules of -# last Sunday in March to last Sunday in October.... -# The directive does not apply in overseas territories of the Member States. -# It says the Commission should produce a proposal for 2002 and beyond -# by 1 Jan 2000 and this should be adopted by 1 Jan 2001. I doubt that -# this will happen though.... -# There is no mention of the French desire to abandon the whole idea. -# France has had a change of government recently so maybe it will -# be quietly dropped. - -# From Peter Ilieve (1994-03-28): -# The [GB-Eire] end date of 22 October [1995] conflicts with your current rule -# of Oct Sun>=23, and the historical UK formula of Sun after 4th Sat. -# The last time 4th Sun and Sun after 4th Sat differed was in 1989, -# when 29 October was used. That year was covered by a UK Summer Time Order -# for only a single year and it looks as though there was a matching 4th EC -# directive for just this year. I don't have the text of the 5th EC -# directive (for 1990--92) but my guess would be it said 4th Sun. -# To maintain strict historical accuracy you could start a new UK ending rule -# of Oct Sun>=22 in 1990. +# The legal time in the UK outside of summer time is definitely GMT, not UTC; +# see Lord Tanlaw's speech +# +# (Lords Hansard 11 June 1997 columns 964 to 976) +# . # From Paul Eggert (1996-06-12): # -# As Ilieve remarks, the date `20 April 1924' in the table of ``Summer Time: A +# The date `20 April 1924' in the table of ``Summer Time: A # Consultation Document'' (Cm 722, 1989) table is a transcription error; # 20 April was an Easter Sunday. Shanks has 13 April, the correct date. # Also, the table is not quite right for 1925 through 1938; the correct rules @@ -697,79 +749,113 @@ # "Irish Summer Time", abbreviated to "IST". # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -# 1916 to 1925--irregular +# Summer Time Act, 1916 Rule GB-Eire 1916 only - May 21 2:00s 1:00 BST Rule GB-Eire 1916 only - Oct 1 2:00s 0 GMT +# S.R.&O. 1917, No. 358 Rule GB-Eire 1917 only - Apr 8 2:00s 1:00 BST Rule GB-Eire 1917 only - Sep 17 2:00s 0 GMT +# S.R.&O. 1918, No. 274 Rule GB-Eire 1918 only - Mar 24 2:00s 1:00 BST Rule GB-Eire 1918 only - Sep 30 2:00s 0 GMT +# S.R.&O. 1919, No. 297 Rule GB-Eire 1919 only - Mar 30 2:00s 1:00 BST Rule GB-Eire 1919 only - Sep 29 2:00s 0 GMT +# S.R.&O. 1920, No. 458 Rule GB-Eire 1920 only - Mar 28 2:00s 1:00 BST +# S.R.&O. 1920, No. 1844 Rule GB-Eire 1920 only - Oct 25 2:00s 0 GMT +# S.R.&O. 1921, No. 363 Rule GB-Eire 1921 only - Apr 3 2:00s 1:00 BST Rule GB-Eire 1921 only - Oct 3 2:00s 0 GMT +# S.R.&O. 1922, No. 264 Rule GB-Eire 1922 only - Mar 26 2:00s 1:00 BST +# The Summer Time Act, 1922 Rule GB-Eire 1922 only - Oct 8 2:00s 0 GMT Rule GB-Eire 1923 only - Apr Sun>=16 2:00s 1:00 BST Rule GB-Eire 1923 1924 - Sep Sun>=16 2:00s 0 GMT -Rule GB-Eire 1924 only - Apr 13 2:00s 1:00 BST -# 1925 to 1939 start--regular, except for avoiding Easter +Rule GB-Eire 1924 only - Apr Sun>=9 2:00s 1:00 BST Rule GB-Eire 1925 1926 - Apr Sun>=16 2:00s 1:00 BST +# The Summer Time Act, 1925 Rule GB-Eire 1925 1938 - Oct Sun>=2 2:00s 0 GMT -Rule GB-Eire 1927 only - Apr 10 2:00s 1:00 BST +Rule GB-Eire 1927 only - Apr Sun>=9 2:00s 1:00 BST Rule GB-Eire 1928 1929 - Apr Sun>=16 2:00s 1:00 BST -Rule GB-Eire 1930 only - Apr 13 2:00s 1:00 BST +Rule GB-Eire 1930 only - Apr Sun>=9 2:00s 1:00 BST Rule GB-Eire 1931 1932 - Apr Sun>=16 2:00s 1:00 BST -Rule GB-Eire 1933 only - Apr 9 2:00s 1:00 BST +Rule GB-Eire 1933 only - Apr Sun>=9 2:00s 1:00 BST Rule GB-Eire 1934 only - Apr Sun>=16 2:00s 1:00 BST -Rule GB-Eire 1935 only - Apr 14 2:00s 1:00 BST +Rule GB-Eire 1935 only - Apr Sun>=9 2:00s 1:00 BST Rule GB-Eire 1936 1937 - Apr Sun>=16 2:00s 1:00 BST -Rule GB-Eire 1938 only - Apr 10 2:00s 1:00 BST +Rule GB-Eire 1938 only - Apr Sun>=9 2:00s 1:00 BST Rule GB-Eire 1939 only - Apr Sun>=16 2:00s 1:00 BST -# 1939 end to 1947--irregular, and with double summer time -Rule GB-Eire 1939 only - Nov 19 2:00s 0 GMT -Rule GB-Eire 1940 only - Feb 25 2:00s 1:00 BST +# S.R.&O. 1939, No. 1379 +Rule GB-Eire 1939 only - Nov Sun>=16 2:00s 0 GMT +# S.R.&O. 1940, No. 172 and No. 1883 +Rule GB-Eire 1940 only - Feb Sun>=23 2:00s 1:00 BST +# S.R.&O. 1941, No. 476 Rule GB-Eire 1941 only - May Sun>=2 1:00s 2:00 BDST Rule GB-Eire 1941 1943 - Aug Sun>=9 1:00s 1:00 BST +# S.R.&O. 1942, No. 506 Rule GB-Eire 1942 1944 - Apr Sun>=2 1:00s 2:00 BDST +# S.R.&O. 1944, No. 932 Rule GB-Eire 1944 only - Sep Sun>=16 1:00s 1:00 BST -# Double daylight starts on a Monday in 1945--see above. -Rule GB-Eire 1945 only - Apr 2 1:00s 2:00 BDST -Rule GB-Eire 1945 only - Jul 15 1:00s 1:00 BST -Rule GB-Eire 1945 only - Oct 7 2:00s 0 GMT -Rule GB-Eire 1946 only - Apr 14 2:00s 1:00 BST -Rule GB-Eire 1946 only - Oct 6 2:00s 0 GMT +# S.R.&O. 1945, No. 312 +Rule GB-Eire 1945 only - Apr Mon>=2 1:00s 2:00 BDST +Rule GB-Eire 1945 only - Jul Sun>=9 1:00s 1:00 BST +# S.R.&O. 1945, No. 1208 +Rule GB-Eire 1945 1946 - Oct Sun>=2 2:00s 0 GMT +Rule GB-Eire 1946 only - Apr Sun>=9 2:00s 1:00 BST +# The Summer Time Act, 1947 Rule GB-Eire 1947 only - Mar 16 2:00s 1:00 BST Rule GB-Eire 1947 only - Apr 13 1:00s 2:00 BDST Rule GB-Eire 1947 only - Aug 10 1:00s 1:00 BST Rule GB-Eire 1947 only - Nov 2 2:00s 0 GMT -# So much for double saving time. 1948 and 1949, irregular. +# Summer Time Order, 1948 (S.I. 1948/495) Rule GB-Eire 1948 only - Mar 14 2:00s 1:00 BST -Rule GB-Eire 1948 1949 - Oct lastSun 2:00s 0 GMT +Rule GB-Eire 1948 only - Oct 31 2:00s 0 GMT +# Summer Time Order, 1949 (S.I. 1949/373) Rule GB-Eire 1949 only - Apr 3 2:00s 1:00 BST -# 1950 through start of 1953, regular. -Rule GB-Eire 1950 1953 - Apr Sun>=14 2:00s 1:00 BST +Rule GB-Eire 1949 only - Oct 30 2:00s 0 GMT +# Summer Time Order, 1950 (S.I. 1950/518) +# Summer Time Order, 1951 (S.I. 1951/430) +# Summer Time Order, 1952 (S.I. 1952/451) +Rule GB-Eire 1950 1952 - Apr Sun>=14 2:00s 1:00 BST Rule GB-Eire 1950 1952 - Oct Sun>=21 2:00s 0 GMT -# 1954 to 1980, starting rules -Rule GB-Eire 1954 only - Apr 11 2:00s 1:00 BST +# revert to the rules of the Summer Time Act, 1925 +Rule GB-Eire 1953 only - Apr Sun>=16 2:00s 1:00 BST +Rule GB-Eire 1953 1960 - Oct Sun>=2 2:00s 0 GMT +Rule GB-Eire 1954 only - Apr Sun>=9 2:00s 1:00 BST Rule GB-Eire 1955 1956 - Apr Sun>=16 2:00s 1:00 BST -Rule GB-Eire 1957 only - Apr 14 2:00s 1:00 BST +Rule GB-Eire 1957 only - Apr Sun>=9 2:00s 1:00 BST Rule GB-Eire 1958 1959 - Apr Sun>=16 2:00s 1:00 BST -Rule GB-Eire 1960 only - Apr 10 2:00s 1:00 BST +Rule GB-Eire 1960 only - Apr Sun>=9 2:00s 1:00 BST +# Summer Time Order, 1961 (S.I. 1961/71) +# Summer Time (1962) Order, 1961 (S.I. 1961/2465) +# Summer Time Order, 1963 (S.I. 1963/81) Rule GB-Eire 1961 1963 - Mar lastSun 2:00s 1:00 BST -Rule GB-Eire 1964 1967 - Mar Sun>=19 2:00s 1:00 BST -Rule GB-Eire 1968 only - Feb 18 2:00s 1:00 BST -Rule GB-Eire 1972 1980 - Mar Sun>=16 2:00s 1:00 BST -# 1953 to 1980, ending rules -Rule GB-Eire 1953 1960 - Oct Sun>=1 2:00s 0 GMT Rule GB-Eire 1961 1968 - Oct Sun>=23 2:00s 0 GMT +# Summer Time (1964) Order, 1963 (S.I. 1963/2101) +# Summer Time Order, 1964 (S.I. 1964/1201) +# Summer Time Order, 1967 (S.I. 1967/1148) +Rule GB-Eire 1964 1967 - Mar Sun>=19 2:00s 1:00 BST +# Summer Time Order, 1968 (S.I. 1968/117) +Rule GB-Eire 1968 only - Feb 18 2:00s 1:00 BST +# The British Standard Time Act, 1968 +# (no summer time) +# The Summer Time Act, 1972 +Rule GB-Eire 1972 1980 - Mar Sun>=16 2:00s 1:00 BST Rule GB-Eire 1972 1980 - Oct Sun>=23 2:00s 0 GMT -# 1981 on +# Summer Time Order, 1980 (S.I. 1980/1089) +# Summer Time Order, 1982 (S.I. 1982/1673) +# Summer Time Order, 1986 (S.I. 1986/223) +# Summer Time Order, 1988 (S.I. 1988/931) Rule GB-Eire 1981 1995 - Mar lastSun 1:00u 1:00 BST Rule GB-Eire 1981 1989 - Oct Sun>=23 1:00u 0 GMT +# Summer Time Order, 1989 (S.I. 1989/985) +# Summer Time Order, 1992 (S.I. 1992/1729) +# Summer Time Order 1994 (S.I. 1994/2798) Rule GB-Eire 1990 1995 - Oct Sun>=22 1:00u 0 GMT +# Summer Time Order 1997 (S.I. 1997/2982) # See EU for rules starting in 1996. # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -780,14 +866,14 @@ Zone Europe/London -0:01:15 - LMT 1847 Sep 22 0:00 EU GMT/BST Zone Europe/Belfast -0:23:40 - LMT 1880 Aug 2 -0:25:21 - DMT 1916 May 21 2:00 # Dublin MT - -0:25:21 1:00 IST 1916 Oct 1 3:00 # Irish Summer Time + -0:25:21 1:00 IST 1916 Oct 1 2:00s # Irish Summer Time 0:00 GB-Eire %s 1968 Oct 27 1:00 - BST 1971 Oct 31 2:00u 0:00 GB-Eire %s 1996 0:00 EU GMT/BST Zone Europe/Dublin -0:25:21 - LMT 1880 Aug 2 -0:25:21 - DMT 1916 May 21 2:00 # Dublin MT - -0:25:21 1:00 IST 1916 Oct 1 3:00 + -0:25:21 1:00 IST 1916 Oct 1 2:00s 0:00 GB-Eire %s 1921 Dec 6 # independence 0:00 GB-Eire GMT/IST 1940 Feb 25 2:00 0:00 1:00 IST 1946 Oct 6 2:00 @@ -862,13 +948,17 @@ Rule Russia 1921 only - Feb 14 23:00 1:00 S # Shanks gives 1921 Mar 21 for the following transition. # From Andrey A. Chernov (1993-11-12): # My sources says, that it is Mar 20, not 21. -Rule Russia 1921 only - Mar 20 23:00 2:00 DS +Rule Russia 1921 only - Mar 20 23:00 2:00 M # Midsummer Rule Russia 1921 only - Sep 1 0:00 1:00 S Rule Russia 1921 only - Oct 1 0:00 0 - +# Act No.925 of the Council of Ministers of the USSR (1980-10-24): Rule Russia 1981 1984 - Apr 1 0:00 1:00 S Rule Russia 1981 1983 - Oct 1 0:00 0 - +# Act No.967 of the Council of Ministers of the USSR (1984-09-13), repeated in +# Act No.227 of the Council of Ministers of the USSR (1989-03-14): Rule Russia 1984 1991 - Sep lastSun 2:00s 0 - Rule Russia 1985 1991 - Mar lastSun 2:00s 1:00 S +# Rule Russia 1992 only - Mar lastSat 23:00 1:00 S Rule Russia 1992 only - Sep lastSat 23:00 0 - Rule Russia 1993 max - Mar lastSun 2:00s 1:00 S @@ -970,15 +1060,17 @@ Zone Europe/Vienna 1:05:20 - LMT 1893 Apr 1:00 EU CE%sT # Belarus +# Transitions before 1991 are from Shanks (1995). # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Europe/Minsk 1:50:16 - LMT 1880 - 2:30:20 Russia %s 1919 Jul 1 2:00 - 3:00 Russia MSK/MSD 1922 Oct + 1:50 - MMT 1924 May 2 # Minsk Mean Time 2:00 - EET 1930 Jun 21 + 3:00 - MSK 1941 Jun 28 + 1:00 C-Eur CE%sT 1944 Jul 3 3:00 Russia MSK/MSD 1991 Mar 31 2:00s 2:00 1:00 EEST 1991 Sep 29 2:00s - 2:00 - EET 1992 Mar 29 0:00 - 2:00 1:00 EEST 1992 Sep 27 0:00 + 2:00 - EET 1992 Mar 29 2:00s + 2:00 1:00 EEST 1992 Sep 27 2:00s 2:00 Russia EE%sT # Belgium @@ -1042,13 +1134,7 @@ Zone Europe/Brussels 0:17:30 - LMT 1880 1:00 EU CE%sT # Bosnia and Herzegovina -# Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone Europe/Sarajevo 1:13:40 - LMT 1884 - 1:00 - CET 1941 Apr 18 23:00 - 1:00 C-Eur CE%sT 1945 May 8 2:00s - 1:00 1:00 CEST 1945 Sep 16 2:00s - 1:00 - CET 1982 Nov 27 - 1:00 EU CE%sT +# see Yugoslavia # Bulgaria # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S @@ -1068,13 +1154,7 @@ Zone Europe/Sofia 1:33:16 - LMT 1880 2:00 E-Eur EE%sT # Croatia -# Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone Europe/Zagreb 1:03:52 - LMT 1884 - 1:00 - CET 1941 Apr 18 23:00 - 1:00 C-Eur CE%sT 1945 May 8 2:00s - 1:00 1:00 CEST 1945 Sep 16 2:00s - 1:00 - CET 1982 Nov 27 - 1:00 EU CE%sT +# see Yugosloavia # Czech Republic # Gregorian calendar adopted 1584-01-17. @@ -1093,7 +1173,7 @@ Zone Europe/Prague 0:57:44 - LMT 1850 1:00 Czech CE%sT 1979 1:00 EU CE%sT -# Denmark +# Denmark, Faeroe Islands, and Greenland # Gregorian calendar adopted 1700-03-01. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Denmark 1916 only - May 14 23:00 1:00 S @@ -1170,7 +1250,8 @@ Zone Europe/Tallinn 1:39:00 - LMT 1880 1:00 C-Eur CE%sT 1944 Sep 22 3:00 Russia MSK/MSD 1989 Mar 26 2:00s 2:00 1:00 EEST 1989 Sep 24 2:00s - 2:00 C-Eur EE%sT + 2:00 C-Eur EE%sT 1998 + 2:00 EU EE%sT # Finland # See Sweden for when the Gregorian calendar was adopted. @@ -1194,13 +1275,14 @@ Zone Europe/Helsinki 1:39:52 - LMT 1878 May 31 # France # Gregorian calendar adopted 1582-12-20. -# French Revolutionary calendar used 1792-09-22 - 1805-12-31. +# French Revolutionary calendar used 1793-11-24 through 1805-12-31, +# and (in Paris only) 1871-05-06 through 1871-05-23. # # Shanks seems to use `24:00' ambiguously; we resolve it with Whitman. # From Shanks (1991): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule France 1916 only - Jun 14 23:00s 1:00 S -Rule France 1916 1919 - Oct Sun>=1 0:00 0 - +Rule France 1916 1919 - Oct Sun>=1 23:00s 0 - Rule France 1917 only - Mar 24 23:00s 1:00 S Rule France 1918 only - Mar 9 23:00s 1:00 S Rule France 1919 only - Mar 1 23:00s 1:00 S @@ -1231,43 +1313,64 @@ Rule France 1939 only - Nov 18 23:00s 0 - Rule France 1940 only - Feb 25 2:00 1:00 S # The French rules for 1941-1944 were not used in Paris, # but were used in other places (e.g. Monaco). -Rule France 1941 only - May 5 0:00 2:00 DS -Rule France 1941 only - Oct 6 1:00 1:00 S -Rule France 1942 only - Mar 8 0:00 2:00 DS +Rule France 1941 only - May 5 0:00 2:00 M # Midsummer +# Shanks says this transition occurred at Oct 6 1:00, +# but go with Denis.Excoffier@ens.fr (1997-12-12), +# who quotes the Ephemerides Astronomiques for 1998 from Bureau des Longitudes +# as saying 5/10/41 22hUT. +Rule France 1941 only - Oct 6 0:00 1:00 S +Rule France 1942 only - Mar 9 0:00 2:00 M Rule France 1942 only - Nov 2 3:00 1:00 S -Rule France 1943 only - Mar 29 2:00 2:00 DS -Rule France 1943 only - Nov 4 3:00 1:00 S -Rule France 1944 only - Apr 3 2:00 2:00 DS +Rule France 1943 only - Mar 29 2:00 2:00 M +Rule France 1943 only - Oct 4 3:00 1:00 S +Rule France 1944 only - Apr 3 2:00 2:00 M Rule France 1944 only - Oct 8 1:00 1:00 S -Rule France 1945 only - Apr 2 2:00 2:00 DS +Rule France 1945 only - Apr 2 2:00 2:00 M Rule France 1945 only - Sep 16 3:00 0 - -Rule France 1976 only - Mar 28 2:00s 1:00 S -Rule France 1976 only - Sep lastSun 2:00s 0 - +# Shanks gives Mar 28 2:00 and Sep 26 3:00; +# go with Excoffier's 28/3/76 0hUT and 25/9/76 23hUT. +Rule France 1976 only - Mar 28 1:00 1:00 S +Rule France 1976 only - Sep 26 1:00 0 - # Shanks gives 0:09 for Paris Mean Time, and Whitman gives 0:09:05, # but Howse quotes the actual French legislation as saying 0:09:21. # Go with Howse. Howse writes that the time in France was officially based # on PMT-0:09:21 until 1978-08-09, when the time base finally switched to UTC. # Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone Europe/Paris 0:09:21 - LMT 1891 Mar 15 0:01 +Zone Europe/Paris 0:09:21 - LMT 1891 Mar 15 0:01 0:09:21 - PMT 1911 Mar 11 # Paris Mean Time - 0:00 France WE%sT 1940 Jun 14 +# Shanks gives 1940 Jun 14 0:00; go with Excoffier's 14/6/40 22hUT. + 0:00 France WE%sT 1940 Jun 14 23:00 1:00 C-Eur CE%sT 1944 Aug 25 - 0:00 France WE%sT 1945 Sep 16 3:00 + 0:00 France WE%sT 1945 Sep 16 3:00 1:00 France CE%sT 1977 1:00 EU CE%sT # Germany +# From Markus Kuhn (1998-09-29): +# The German time zone web site by the Physikalisch-Technische +# Bundesanstalt contains DST information back to 1916. +# +# +# Realisation of Legal Time in Germany +# + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Germany 1945 only - Apr 2 2:00s 1:00 S -Rule Germany 1945 only - May 24 2:00 2:00 DS -Rule Germany 1945 only - Sep 24 3:00 1:00 S +# Shanks says 05-24 2:00 to 09-24 3:00 for DDST; go with the PTB, who quotes +# the Archiv fuer publizist. Arbeit (Munzinger-Archiv) 652 (Zeitsystem) +# (1961-11-25), which gives dates only. Guess 3:00 transition times. +Rule Germany 1945 only - May 31 3:00 2:00 M # Midsummer +Rule Germany 1945 only - Sep 23 3:00 1:00 S Rule Germany 1945 only - Nov 18 2:00s 0 - Rule Germany 1946 only - Apr 14 2:00s 1:00 S -# Whitman gives 1948 Oct 31; go with Shanks. -Rule Germany 1946 1949 - Oct Sun>=1 2:00s 0 - +# Shanks gives 1946-10-06; go with the PTB. +Rule Germany 1946 only - Oct 7 2:00s 0 - +Rule Germany 1947 1949 - Oct Sun>=1 2:00s 0 - Rule Germany 1947 only - Apr 6 2:00s 1:00 S -Rule Germany 1947 only - May 11 2:00s 2:00 DS +# The PTB gives 3:00 CET and 3:00 CEST for the midsummer transition times; +# go with Shanks. +Rule Germany 1947 only - May 11 2:00s 2:00 M Rule Germany 1947 only - Jun 29 3:00 1:00 S Rule Germany 1948 only - Apr 18 2:00s 1:00 S Rule Germany 1949 only - Apr 10 2:00s 1:00 S @@ -1416,9 +1519,11 @@ Zone Atlantic/Reykjavik -1:27:24 - LMT 1837 # # From Paul Eggert (1996-05-06): # For Italian DST we have three sources: Shanks, Whitman, and F. Pollastri -# (1996-03-14) (`FP' -# below), taken from an Italian National Electrotechnical Institute publication. -# When the three sources disagree, guess who's right, as follows: +# +# Day-light Saving Time in Italy (1996-03-14) +# +# (`FP' below), taken from an Italian National Electrotechnical Institute +# publication. When the three sources disagree, guess who's right, as follows: # # year FP Shanks (S) Whitman (W) Go with: # 1916 06-03 06-03 24:00 06-03 00:00 FP & W @@ -1486,14 +1591,45 @@ Link Europe/Rome Europe/Vatican Link Europe/Rome Europe/San_Marino # Latvia -# From Paul Eggert (1996-11-22): -# Rules after 1991 are by extension from Shanks. They contradict -# IATA SSIM (1992/1996), which claims Latvia uses W-Eur rules, but -# Peter Ilieve's relative writes that Latvia switched in September this year, -# so we'll assume that the old C-Eur-style rules still apply. + +# From Liene Kanepe (1998-09-17): + +# I asked about this matter Scientific Secretary of the Institute of Astronomy +# of The University of Latvia Dr. paed Mr. Ilgonis Vilks. I also searched the +# correct data in juridical acts and I found some juridical documents about +# changes in the counting of time in Latvia from 1981.... +# +# Act No.35 of the Council of Ministers of Latvian SSR of 1981-01-22 ... +# according to the Act No.925 of the Council of Ministers of USSR of 1980-10-24 +# ...: all year round the time of 2nd time zone + 1 hour, in addition turning +# the hands of the clock 1 hour forward on 1 April at 00:00 (GMT 31 March 21:00) +# and 1 hour backward on the 1 October at 00:00 (GMT 30 September 20:00). +# +# Act No.592 of the Council of Ministers of Latvian SSR of 1984-09-24 ... +# according to the Act No.967 of the Council of Ministers of USSR of 1984-09-13 +# ...: all year round the time of 2nd time zone + 1 hour, in addition turning +# the hands of the clock 1 hour forward on the last Sunday of March at 02:00 +# (GMT 23:00 on the previous day) and 1 hour backward on the last Sunday of +# September at 03:00 (GMT 23:00 on the previous day). +# +# Act No.81 of the Council of Ministers of Latvian SSR of 1989-03-22 ... +# according to the Act No.227 of the Council of Ministers of USSR of 1989-03-14 +# ...: since the last Sunday of March 1989 in Lithuanian SSR, Latvian SSR, +# Estonian SSR and Kaliningrad region of Russian Federation all year round the +# time of 2nd time zone (Moscow time minus one hour). On the territory of Latvia +# transition to summer time is performed on the last Sunday of March at 02:00 +# (GMT 00:00), turning the hands of the clock 1 hour forward. The end of +# daylight saving time is performed on the last Sunday of September at 03:00 +# (GMT 00:00), turning the hands of the clock 1 hour backward. Exception is +# 1989-03-26, when we must not turn the hands of the clock.... +# +# The Regulations of the Cabinet of Ministers of the Republic of Latvia of +# 1997-01-21 on transition to Summer time ... established the same order of +# daylight savings time settings as in the States of the European Union. + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Latvia 1992 max - Mar lastSun 2:00s 1:00 S -Rule Latvia 1992 max - Sep lastSun 2:00s 0 - +Rule Latvia 1989 1996 - Mar lastSun 2:00s 1:00 S +Rule Latvia 1989 1996 - Sep lastSun 2:00s 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Europe/Riga 1:36:24 - LMT 1880 1:36:24 - RMT 1918 Apr 15 2:00 #Riga Mean Time @@ -1503,10 +1639,13 @@ Zone Europe/Riga 1:36:24 - LMT 1880 1:36:24 - RMT 1926 May 11 2:00 - EET 1940 Aug 5 3:00 - MSK 1941 Jul - 1:00 C-Eur CE%sT 1944 Aug 8 - 3:00 Russia MSK/MSD 1991 Mar 31 2:00s - 2:00 1:00 EEST 1991 Sep 29 2:00s - 2:00 Latvia EE%sT + 1:00 C-Eur CE%sT 1944 Oct 13 + # Shanks says 1944-08-08, but + # Riga fell to the Red Army on 1944-10-13. + 3:00 Russia MSK/MSD 1989 Mar lastSun 2:00s + 2:00 1:00 EEST 1989 Sep lastSun 2:00s + 2:00 Latvia EE%sT 1997 Jan 21 + 2:00 EU EE%sT # Liechtenstein # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -1526,11 +1665,17 @@ Zone Europe/Vilnius 1:41:16 - LMT 1880 1:00 C-Eur CE%sT 1944 Aug 3:00 Russia MSK/MSD 1991 Mar 31 2:00s 2:00 1:00 EEST 1991 Sep 29 2:00s - 2:00 C-Eur EE%sT + 2:00 C-Eur EE%sT 1998 + 2:00 - EET 1998 Mar 29 1:00u + 1:00 EU CE%sT # From Paul Eggert (1996-11-22): # IATA SSIM (1992/1996) says Lithuania uses W-Eur rules, but since it is # known to be wrong about Estonia and Latvia, assume it's wrong here too. +# From Marius Gedminas (1998-08-07): +# I would like to inform that in this year Lithuanian time zone +# (Europe/Vilnius) was changed. + # Luxembourg # Whitman disagrees with most of these dates in minor ways; go with Shanks. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S @@ -1567,13 +1712,7 @@ Zone Europe/Luxembourg 0:24:36 - LMT 1904 Jun 1:00 EU CE%sT # Macedonia -# Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone Europe/Skopje 1:25:44 - LMT 1884 - 1:00 - CET 1941 Apr 18 23:00 - 1:00 C-Eur CE%sT 1945 May 8 2:00s - 1:00 1:00 CEST 1945 Sep 16 2:00s - 1:00 - CET 1982 Nov 27 - 1:00 EU CE%sT +# see Yugoslavia # Malta # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S @@ -1669,11 +1808,9 @@ Zone Europe/Oslo 0:43:00 - LMT 1895 1:00 C-Eur CE%sT 1945 Apr 2 2:00 1:00 Norway CE%sT 1980 1:00 EU CE%sT -# -# Svalbard + +# Svalbard & Jan Mayen Link Europe/Oslo Arctic/Longyearbyen -# -# Jan Mayen # From Whitman: # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Atlantic/Jan_Mayen -1:00 - EGT @@ -1711,8 +1848,10 @@ Zone Europe/Warsaw 1:24:00 - LMT 1880 1:00 Poland CE%sT 1977 Apr 3 1:00 1:00 W-Eur CE%sT # IATA SSIM (1991/1996) gives EU rules, but the _The Warsaw Voice_ -# -# (1995-09-24) says the autumn 1995 switch was at 02:00. +# +# http://www.contact.waw.pl/voice/v361/NewsInBrief.shtml (1995-09-24) +# +# says the autumn 1995 switch was at 02:00. # Stick with W-Eur for now. # Portugal @@ -1773,12 +1912,12 @@ Rule Port 1940 only - Feb 24 23:00s 1:00 S Rule Port 1940 1941 - Oct 5 23:00s 0 - Rule Port 1941 only - Apr 5 23:00s 1:00 S Rule Port 1942 1945 - Mar Sat>=8 23:00s 1:00 S -Rule Port 1942 only - Apr 25 22:00s 2:00 DS +Rule Port 1942 only - Apr 25 22:00s 2:00 M # Midsummer Rule Port 1942 only - Aug 15 22:00s 1:00 S Rule Port 1942 1945 - Oct Sat>=24 23:00s 0 - -Rule Port 1943 only - Apr 17 22:00s 2:00 DS +Rule Port 1943 only - Apr 17 22:00s 2:00 M Rule Port 1943 1945 - Aug Sat>=25 22:00s 1:00 S -Rule Port 1944 1945 - Apr Sat>=21 22:00s 2:00 DS +Rule Port 1944 1945 - Apr Sat>=21 22:00s 2:00 M Rule Port 1946 only - Apr Sat>=1 23:00s 1:00 S Rule Port 1946 only - Oct Sat>=1 23:00s 0 - Rule Port 1947 1949 - Apr Sun>=1 2:00s 1:00 S @@ -1963,13 +2102,7 @@ Zone Asia/Anadyr 11:49:56 - LMT 1924 May 2 Link Europe/Prague Europe/Bratislava # Slovenia -# Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone Europe/Ljubljana 0:58:04 - LMT 1884 - 1:00 - CET 1941 Apr 18 23:00 - 1:00 C-Eur CE%sT 1945 May 8 2:00s - 1:00 1:00 CEST 1945 Sep 16 2:00s - 1:00 - CET 1982 Nov 27 - 1:00 EU CE%sT +# see Yugoslavia # Spain # Gregorian calendar adopted 1582-10-15. @@ -1996,9 +2129,9 @@ Rule Spain 1938 only - Mar 22 23:00s 1:00 S Rule Spain 1939 only - Apr 15 23:00s 1:00 S Rule Spain 1940 only - Mar 16 23:00s 1:00 S # Whitman says no DST 1942-1945; go with Shanks. -Rule Spain 1942 only - May 2 22:00s 2:00 DS +Rule Spain 1942 only - May 2 22:00s 2:00 M # Midsummer Rule Spain 1942 only - Sep 1 22:00s 1:00 S -Rule Spain 1943 1946 - Apr Sat>=13 22:00s 2:00 DS +Rule Spain 1943 1946 - Apr Sat>=13 22:00s 2:00 M Rule Spain 1943 only - Oct 3 22:00s 1:00 S Rule Spain 1944 only - Oct 10 22:00s 1:00 S Rule Spain 1945 only - Sep 30 1:00 1:00 S @@ -2044,7 +2177,11 @@ Zone Atlantic/Canary -1:01:36 - LMT 1922 Mar # Las Palmas de Gran C. # Sweden -# From: msb@sq.com (Mark Brader) : +# From: msb@sq.com (Mark Brader) +# +# Subject: Re: Gregorian reform -- a part of locale? +# +# Date: 1996-07-06 # # In 1700, Denmark made the transition from Julian to Gregorian. Sweden # decided to *start* a transition in 1700 as well, but rather than have one of @@ -2074,6 +2211,8 @@ Zone Europe/Stockholm 1:12:12 - LMT 1878 May 31 1:00 EU CE%sT # Switzerland +# The Gregorian calendar was introduced gradually in Switzerland, +# by omitting leap years during 1583-1812. # From Howse (1988), p 82: # By the end of the 18th century clocks and watches became commonplace # and their performance improved enormously. Communities began to keep @@ -2179,8 +2318,8 @@ Rule Crimea 1921 only - Feb 14 23:00 1:00 CST Rule Crimea 1921 only - Mar 21 23:00 2:00 CDST Rule Crimea 1921 only - Sep 1 0:00 1:00 CST Rule Crimea 1921 only - Oct 1 0:00 0 NMT -Rule Crimea 1996 max - Mar lastSun 0:00u 1:00 - -Rule Crimea 1996 max - Oct lastSun 0:00u 0 - +Rule Crimea 1996 only - Mar lastSun 0:00u 1:00 - +Rule Crimea 1996 only - Oct lastSun 0:00u 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Europe/Kiev 2:02:04 - LMT 1880 2:02:04 Ukraine %s 1924 May 2 @@ -2198,9 +2337,12 @@ Zone Europe/Simferopol 2:16:24 - LMT 1880 # from Kiev to Moscow time sometime after the January 1994 elections. # For now, guess it changed Feb 1. 2:00 C-Eur EE%sT 1994 Feb -# From IATA SSIM (1994/1996), which also says that Kerch is still like Kiev. +# From IATA SSIM (1994/1997), which also says that Kerch is still like Kiev. 3:00 E-Eur MSK/MSD 1996 - 3:00 Crimea MSK/MSD +# IATA SSIM (1997-09) says Crimea switched to EET/EEST. +# Assume it happened in March by not changing the clocks. + 3:00 Crimea MSK/MSD 1997 Mar lastSun 1:00u + 2:00 EU EE%sT # Yugoslavia # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -2213,6 +2355,10 @@ Zone Europe/Belgrade 1:22:00 - LMT 1884 # Shanks doesn't give as much detail, so go with Kozelj. 1:00 - CET 1982 Nov 27 1:00 EU CE%sT +Link Europe/Belgrade Europe/Ljubljana # Slovenia +Link Europe/Belgrade Europe/Sarajevo # Bosnia and Herzegovina +Link Europe/Belgrade Europe/Skopje # Macedonia +Link Europe/Belgrade Europe/Zagreb # Croatia ############################################################################### @@ -2289,21 +2435,3 @@ Zone Europe/Belgrade 1:22:00 - LMT 1884 # ... # Monaco: has same DST as France. # ... - -# ... -# Date: Fri, 3 Sep 93 13:43:41 BST -# From: Peter Ilieve -# ... -# Turning to Europe, I now have a copy of the `Sixth Council Directive 92/20/EEC -# of 26 March 1992 on summertime arrangements'. This only covers 1993 and -# 1994, a seventh one is in the works but I doubt that the algorithm will -# change. This says summertime starts at 01:00 GMT on the last Sunday in March -# and ends at 01:00 GMT on the last Sunday in September, except for the UK -# and Eire where it ends at 01:00 GMT on the fourth Sunday in October. -# It says the arrangements for 1995 onwards will be decided by 1 January 1994, -# but as the sixth directive was supposed to appear by 1 Jan 92 and didn't -# arrive til March I wouldn't hold your breath. -# -# The first summertime directive was adopted in 1980, although the UK didn't -# seem to use it until 1981. I suspect it would be safe to move your start -# dates for the -Eur rules back to 1981. diff --git a/share/zoneinfo/factory b/share/zoneinfo/factory index d95df23c1dfe..ba27c6326940 100644 --- a/share/zoneinfo/factory +++ b/share/zoneinfo/factory @@ -1,4 +1,4 @@ -# @(#)factory 7.1 +# @(#)factory 7.3 # For companies who don't want to put time zone specification in # their installation procedures. When users run date, they'll get the message. diff --git a/share/zoneinfo/iso3166.tab b/share/zoneinfo/iso3166.tab index 6eb4d318db52..a3b2bee9fa0d 100644 --- a/share/zoneinfo/iso3166.tab +++ b/share/zoneinfo/iso3166.tab @@ -3,12 +3,16 @@ # From Paul Eggert (1996-09-03): # # This file contains a table with the following columns: -# 1. ISO 3166 2-character country code. +# 1. ISO 3166-1:1997 2-character country code. See: # 2. The usual English name for the country, # chosen so that alphabetic sorting of subsets produces helpful lists. +# This is not the same as the English name in the ISO 3166 tables. # -# For France in Europe, we follow common practice and use FR, -# even though FX might be more technically correct. +# The PS code below has been reserved for Palestine by the ISO; +# however, the code is not yet officially assigned to Palestine. Please see +# +# Cord Wischhoefer, Country Code Elements for Palestine (1996-07-24) +# . # # Columns are separated by a single tab. # The table is sorted by country code. @@ -191,6 +195,7 @@ PL Poland PM St Pierre & Miquelon PN Pitcairn PR Puerto Rico +PS Palestine PT Portugal PW Palau PY Paraguay diff --git a/share/zoneinfo/leapseconds b/share/zoneinfo/leapseconds index 6ff99ada3786..1cd114b91fbe 100644 --- a/share/zoneinfo/leapseconds +++ b/share/zoneinfo/leapseconds @@ -1,4 +1,4 @@ -# @(#)leapseconds 7.9 +# @(#)leapseconds 7.11 # Allowance for leapseconds added to each timezone file. @@ -17,7 +17,7 @@ # Leap YEAR MON DAY 23:59:59 - R/S # If the leapsecond is Rolling (R) the given time is local time -# If the leapsecond is Stationary (S) the given time is GMT +# If the leapsecond is Stationary (S) the given time is UTC # Leap YEAR MONTH DAY HH:MM:SS CORR R/S Leap 1972 Jun 30 23:59:60 + S @@ -41,3 +41,4 @@ Leap 1993 Jun 30 23:59:60 + S Leap 1994 Jun 30 23:59:60 + S Leap 1995 Dec 31 23:59:60 + S Leap 1997 Jun 30 23:59:60 + S +Leap 1998 Dec 31 23:59:60 + S diff --git a/share/zoneinfo/northamerica b/share/zoneinfo/northamerica index 635c4ef18069..150ba3d67e2f 100644 --- a/share/zoneinfo/northamerica +++ b/share/zoneinfo/northamerica @@ -1,4 +1,4 @@ -# @(#)northamerica 7.32 +# @(#)northamerica 7.41 # also includes Central America and the Caribbean # This data is by no means authoritative; if you think you know better, @@ -262,11 +262,6 @@ Zone Pacific/Honolulu -10:31:26 - LMT 1900 Jan 1 12:00 -10:30 US H%sT 1947 Jun 8 2:00 -10:00 - HST -Zone Pacific/Midway -11:49:28 - LMT 1901 - -11:00 - NST 1967 Apr # N=Nome - -11:00 - BST 1983 Nov 30 # B=Bering - -11:00 - SST # S=Samoa - # Now we turn to US areas that have diverged from the consensus since 1970. # Arizona mostly uses MST. @@ -464,8 +459,8 @@ Link Pacific/Honolulu HST # From Paul Eggert (1996-11-22): # A good source for time zone historical data outside the US is -# Thomas G. Shanks, The International Atlas (3rd edition), -# San Diego: ACS Publications, Inc. (1991). +# Thomas G. Shanks, The International Atlas (4th edition), +# San Diego: ACS Publications, Inc. (1995). # # Gwillim Law writes that a good source # for recent time zone data is the International Air Transport @@ -481,8 +476,6 @@ Link Pacific/Honolulu HST # I found in the UCLA library. # # See the `europe' file for Greenland. -# -# See the `africa' file for time zone naming and abbreviation conventions. # Canada @@ -653,6 +646,20 @@ Zone America/Glace_Bay -3:59:48 - LMT 1902 Jun 15 # Nipigon (EST) and Rainy River (CST) are the largest that we know of. # Far west Ontario is like Winnipeg; far east Quebec is like Halifax. +# From Paul Eggert (1997-10-17): +# msb@sq.com writes that an article in the 1997-10-14 Toronto Star +# says that Atikokan, Ontario currently does not observe DST, +# but will vote on 11-10 whether to use EST/EDT. +# He also writes that the +# +# Ontario Time Act (1990, Chapter T.9) +# +# says that Ontario east of 90W uses EST/EDT, and west of 90W uses CST/CDT. +# Officially Atikokan is therefore on CST/CDT, and most likely this report +# concerns a non-official time observed as a matter of local practice. +# For what it's worth, Shanks (1995) says that Atikokan has agreed with +# Rainy River ever since standard time was introduced. + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Mont 1917 only - Mar 25 2:00 1:00 D Rule Mont 1917 only - Apr 24 0:00 0 S @@ -895,7 +902,7 @@ Zone America/Dawson -9:17:40 - LMT 1900 Aug 20 # From Guy Harris: # Rules are from the Official Airline Guide, Worldwide Edition, for 1987. -# Rules prior to 1987 are unknown. +# Rules [before] 1987 are unknown. # The comments in the OAG say "Only Ensenada, Mexicale, San Felipe and Tijuana # observe DST." This is presumably Baja California Norte, above 28th parallel, # as listed there; [there is also] "Baja California Sur and N. Pacific @@ -973,9 +980,10 @@ Zone America/Dawson -9:17:40 - LMT 1900 Aug 20 # # -------------- End Forwarded Message -------------- # From Paul Eggert (1996-06-12): -# For an English translation of the decree, -# see ``Diario Oficial: Time Zone Changeover'', -# (1996-01-04). +# For an English translation of the decree, see +# +# ``Diario Oficial: Time Zone Changeover'' (1996-01-04). +# # From Shanks (1991): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S @@ -994,6 +1002,12 @@ Rule BajaN 1950 1966 - Apr lastSun 2:00 1:00 D Rule BajaN 1950 1961 - Sep lastSun 2:00 0 S Rule BajaN 1961 1966 - Oct lastSun 2:00 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Quintana Roo +Zone America/Cancun -5:47:04 - LMT 1922 Jan 1 1:12:42 + -6:00 - CST 1996 + -6:00 Mexico C%sT 1997 Oct lastSun 2:00 + -5:00 Mexico E%sT +# Central Mexico Zone America/Mexico_City -6:36:36 - LMT 1922 Jan 1 0:23:24 -7:00 - MST 1927 Jun 10 23:00 -6:00 - CST 1930 Nov 15 @@ -1001,6 +1015,18 @@ Zone America/Mexico_City -6:36:36 - LMT 1922 Jan 1 0:23:24 -6:00 - CST 1931 Oct -7:00 - MST 1932 Mar 30 23:00 -6:00 Mexico C%sT +# Chihuahua +Zone America/Chihuahua -7:04:20 - LMT 1921 Dec 31 23:55:44 + -7:00 - MST 1927 Jun 10 23:00 + -6:00 - CST 1930 Nov 15 + -7:00 - MST 1931 May 1 23:00 + -6:00 - CST 1931 Oct + -7:00 - MST 1932 Mar 30 23:00 + -6:00 - CST 1996 + -6:00 Mexico C%sT 1998 + -6:00 - CST 1998 Apr Sun>=1 3:00 + -7:00 Mexico M%sT +# S Baja California, Nayarit, Sinaloa, Sonora Zone America/Mazatlan -7:05:40 - LMT 1921 Dec 31 23:54:20 -7:00 - MST 1927 Jun 10 23:00 -6:00 - CST 1930 Nov 15 @@ -1011,6 +1037,7 @@ Zone America/Mazatlan -7:05:40 - LMT 1921 Dec 31 23:54:20 -7:00 - MST 1949 Jan 14 -8:00 - PST 1970 -7:00 Mexico M%sT +# N Baja California Zone America/Tijuana -7:48:04 - LMT 1922 Jan 1 0:11:56 -8:00 - PST 1927 Jun 10 23:00 -7:00 - MST 1930 Nov 16 @@ -1019,6 +1046,7 @@ Zone America/Tijuana -7:48:04 - LMT 1922 Jan 1 0:11:56 -8:00 BajaN P%sT 1967 Apr lastSun 2:00 -8:00 US P%sT 1996 -8:00 Mexico P%sT +# Baja California Zone America/Ensenada -7:46:28 - LMT 1922 Jan 1 0:13:32 -8:00 - PST 1927 Jun 10 23:00 -7:00 - MST 1930 Nov 16 @@ -1061,7 +1089,7 @@ Rule Barb 1979 only - Sep 30 2:00 0 S Rule Barb 1980 only - Sep 25 2:00 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Barbados -3:58:28 - LMT 1924 # Bridgetown - -3:58 - BMT 1932 # Bridgetown Mean Time + -3:58:28 - BMT 1932 # Bridgetown Mean Time -4:00 Barb A%sT # Belize @@ -1086,12 +1114,9 @@ Zone Atlantic/Bermuda -4:19:04 - LMT 1930 Jan 1 2:00 # Hamilton # Cayman Is # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Cayman -5:25:32 - LMT 1890 # Georgetown - -5:07 - KMT 1912 Feb # Kingston Mean Time + -5:07:12 - KMT 1912 Feb # Kingston Mean Time -5:00 - EST -# Clipperton -# uninhabited - # Costa Rica # Shanks gives some very odd dates for 1991, and stops there. # For now, we won't guess further. @@ -1145,10 +1170,13 @@ Rule Cuba 1978 1990 - Oct Sun>=8 0:00 0 S Rule Cuba 1979 1980 - Mar Sun>=15 0:00 1:00 D Rule Cuba 1981 1985 - May Sun>=5 0:00 1:00 D Rule Cuba 1986 1989 - Mar Sun>=14 0:00 1:00 D -Rule Cuba 1990 max - Apr Sun>=1 0:00 1:00 D +Rule Cuba 1990 1997 - Apr Sun>=1 0:00 1:00 D Rule Cuba 1991 1995 - Oct Sun>=8 0:00s 0 S -Rule Cuba 1996 only - Oct Sun>=1 0:00s 0 S -Rule Cuba 1997 max - Oct Sun>=8 0:00s 0 S +Rule Cuba 1996 only - Oct 6 0:00s 0 S +Rule Cuba 1997 only - Oct 12 0:00s 0 S +Rule Cuba 1998 only - Mar 29 0:00 1:00 D +Rule Cuba 1998 max - Oct lastSun 0:00s 0 S +Rule Cuba 1999 max - Apr Sun>=1 0:00s 1:00 D # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Havana -5:29:28 - LMT 1890 @@ -1211,8 +1239,8 @@ Rule Haiti 1983 only - May 8 0:00 1:00 D Rule Haiti 1984 1987 - Apr lastSun 0:00 1:00 D Rule Haiti 1983 1987 - Oct lastSun 0:00 0 S # Shanks says AT is 2:00, but IATA SSIM (1991/1996) says 1:00s. Go with IATA. -Rule Haiti 1988 max - Apr Sun>=1 1:00s 1:00 D -Rule Haiti 1988 max - Oct lastSun 1:00s 0 S +Rule Haiti 1988 1997 - Apr Sun>=1 1:00s 1:00 D +Rule Haiti 1988 1997 - Oct lastSun 1:00s 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Port-au-Prince -4:49:20 - LMT 1890 -4:49 - PPMT 1917 Jan 24 12:00 # P-a-P MT @@ -1235,7 +1263,7 @@ Zone America/Tegucigalpa -5:48:52 - LMT 1921 Apr # From Shanks (1991): # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Jamaica -5:07:12 - LMT 1890 # Kingston - -5:07 - KMT 1912 Feb # Kingston Mean Time + -5:07:12 - KMT 1912 Feb # Kingston Mean Time -5:00 - EST 1974 Jan 6 2:00 -5:00 US E%sT 1984 -5:00 - EST @@ -1305,12 +1333,12 @@ Zone America/Miquelon -3:44:40 - LMT 1911 May 15 # St Pierre # St Vincent and the Grenadines # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/St_Vincent -4:04:56 - LMT 1890 # Kingstown - -4:05 - KMT 1912 # Kingstown Mean Time + -4:04:56 - KMT 1912 # Kingstown Mean Time -4:00 - AST # Turks and Caicos -# From Paul Eggert (1996-11-22): -# Shanks says they use US DST rules, but IATA SSIM (1991/1996) +# From Paul Eggert (1998-08-06): +# Shanks says they use US DST rules, but IATA SSIM (1991/1998) # says they switch at midnight. Go with IATA SSIM. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule TC 1979 1986 - Apr lastSun 0:00 1:00 D @@ -1318,7 +1346,7 @@ Rule TC 1979 max - Oct lastSun 0:00 0 S Rule TC 1987 max - Apr Sun>=1 0:00 1:00 D # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Grand_Turk -4:44:32 - LMT 1890 - -5:07 - KMT 1912 Feb # Kingston Mean Time + -5:07:12 - KMT 1912 Feb # Kingston Mean Time -5:00 TC E%sT # British Virgin Is diff --git a/share/zoneinfo/pacificnew b/share/zoneinfo/pacificnew index 883ccdca6978..86dd68834113 100644 --- a/share/zoneinfo/pacificnew +++ b/share/zoneinfo/pacificnew @@ -1,4 +1,4 @@ -# @(#)pacificnew 7.9 +# @(#)pacificnew 7.10 # From Arthur David Olson (1989-04-05): # On 1989-04-05, the U. S. House of Representatives passed (238-154) a bill diff --git a/share/zoneinfo/southamerica b/share/zoneinfo/southamerica index 09e0aa6d28af..3f0cf8c56493 100644 --- a/share/zoneinfo/southamerica +++ b/share/zoneinfo/southamerica @@ -1,4 +1,4 @@ -# @(#)southamerica 7.18 +# @(#)southamerica 7.25 # This data is by no means authoritative; if you think you know better, # go ahead and edit the file (and please send any changes to @@ -6,8 +6,8 @@ # From Paul Eggert (1996-11-22): # A good source for time zone historical data outside the U.S. is -# Thomas G. Shanks, The International Atlas (3rd edition), -# San Diego: ACS Publications, Inc. (1991). +# Thomas G. Shanks, The International Atlas (4th edition), +# San Diego: ACS Publications, Inc. (1995). # # Gwillim Law writes that a good source # for recent time zone data is the International Air Transport @@ -28,7 +28,6 @@ # -4:00 AST ADT Atlantic # -5:00 AST ADT Acre # -# See the `africa' file for time zone naming and abbreviation conventions. # Earlier editions of these tables used the North American style (e.g. ARST and # ARDT for Argentine Standard and Daylight Time), but the following quote # suggests that it's better to use European style (e.g. ART and ARST). @@ -185,14 +184,6 @@ Zone America/La_Paz -4:32:36 - LMT 1890 # Brazil -# From Guy Harris: -# The OAG lists 1987-10-25 and 1988-02-12 as the starting and -# ending dates, giving them as "estimated date(s) based on previous year". We -# infer a rule here from one example, always a dangerous practice.... Yes, -# they really do switch on Saturday, according to the OAG. -# "[America/Porto_Acre]" is for the Territory of Acre; -# "[America/Noronha]" is for Fernando De Noronha. - # From Paul Eggert (1993-11-18): # The mayor of Rio recently attempted to change the time zone rules # just in his city, in order to leave more summer time for the tourist trade. @@ -243,35 +234,110 @@ Zone America/La_Paz -4:32:36 - LMT 1890 # Sao Paulo (UTC-3) and Cuiaba (UTC-4) always observed DST. # Porto Acre (UTC-5) stopped observing DST in mid-1988. +# From Rodrigo Feher (1998-01-17): +# Reading "southamerica" file in timezone 7.55 I've found an +# error. Line 193 say "Territory of Acre". It is not a territory anymore +# but a state. + +# From Marcos Tadeu (1998-09-27): +# +# Brazilian official page +# +# +# From Paul Eggert (1998-09-28): +# The official decrees referenced below are taken from +# +# Decretos sobre o Horario de Verao no Brasil +# (1998-09-25, in Portuguese). +# I don't read Portuguese, and haven't been able to verify them against +# the Shanks and IATA data; there do seem to be minor discrepancies. + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S +# Decree 20.466 (1931-01-10) +# Decree 21.896 (1932-01-10) Rule Brazil 1931 only - Oct 3 11:00 1:00 D Rule Brazil 1932 1933 - Apr 1 0:00 0 S Rule Brazil 1932 only - Oct 3 0:00 1:00 D +# Decree 23.195 (1933-10-10) +# revoked DST. +# Decree 27.496 (1949-11-24) +# Decree 27.998 (1950-04-13) +# Decree 32.308 (1953-02-24) Rule Brazil 1949 1952 - Dec 1 0:00 1:00 D Rule Brazil 1950 only - Apr 16 0:00 0 S Rule Brazil 1951 1953 - Apr 1 0:00 0 S +# Decree 34.724 (1953-11-30) +# revoked DST. +# Decree 52.700 (1963-10-18) +# Decree 53.071 (1963-12-03) Rule Brazil 1963 only - Dec 9 0:00 1:00 D +# Decree 53.604 (1964-02-25) Rule Brazil 1964 only - Mar 1 0:00 0 S +# Decree 55.639 (1965-01-27) Rule Brazil 1965 only - Jan 31 0:00 1:00 D Rule Brazil 1965 only - Apr 1 0:00 0 S +# Decree 57.303 (1965-11-22) Rule Brazil 1965 only - Dec 1 0:00 1:00 D +# Decree 57.843 (1966-02-18) Rule Brazil 1966 1968 - Mar 1 0:00 0 S Rule Brazil 1966 1967 - Nov 1 0:00 1:00 D +# Decree 63.429 (1968-10-15) +# Decree 91.698 (1985-09-27) Rule Brazil 1985 only - Nov 2 0:00 1:00 D +# Decree 92.310 (1986-01-21) +# Decree 92.463 (1986-03-13) Rule Brazil 1986 only - Mar 15 0:00 0 S +# Decree 93.316 (1986-10-01) +# Decree 94.922 (1987-09-22) Rule Brazil 1986 1987 - Oct Sat<=28 0:00 1:00 D Rule Brazil 1987 only - Feb 14 0:00 0 S Rule Brazil 1988 only - Feb 7 0:00 0 S +# Decree 96.676 (1988-09-12) +# Decree 98.077 (1989-08-21) +# Decree 99.530 (1990-09-17) +# Decree 99.629 (1990-10-19) +# Unnumbered decree (1991-09-25): +# Unnumbered decree (1992-10-16): Rule Brazil 1989 only - Jan 22 0:00 0 S Rule Brazil 1988 1989 - Oct Sun>=10 0:00 1:00 D Rule Brazil 1990 1991 - Feb Sun>=11 0:00 0 S Rule Brazil 1990 1992 - Oct Sun>=20 0:00 1:00 D Rule Brazil 1992 only - Feb 9 0:00 0 S +# Decree 942 (1993-09-28) +# Decree 1.252 (1994-09-22) +# Decree 1.636 (1995-09-14) +# Decree 1.674 (1995-10-13) Rule Brazil 1993 1995 - Oct Sun>=11 0:00 1:00 D Rule Brazil 1993 only - Jan 31 0:00 0 S Rule Brazil 1994 1995 - Feb Sun>=15 0:00 0 S -Rule Brazil 1996 max - Feb Sun>=11 0:00 0 S -Rule Brazil 1996 max - Oct Sun>=1 0:00 1:00 D +# Decree 2.000 (1996-09-04) +Rule Brazil 1996 only - Feb Sun>=11 0:00 0 S +Rule Brazil 1996 only - Oct Sun>=1 0:00 1:00 D +# From Daniel C. Sobral (1998-02-12): +# In 1997, the DS began on October 6. The stated reason was that +# because international television networks ignored Brazil's policy on DS, +# they bought the wrong times on satellite for coverage of Pope's visit. +# This year, the ending date of DS was postponed to March 1 +# to help dealing with the shortages of electric power. +# +# From Paul Eggert (1998-02-25): +# +# Brazil Prepares for Papal Visit +# , +# Church Net UK (1997-10-02). +# +# Decree 2.317 (1997-09-04) +Rule Brazil 1997 only - Oct 6 0:00 1:00 D +# Decree 2.495 +# (1998-02-10) +Rule Brazil 1998 only - Mar 1 0:00 0 S +# Decree 2.780 (1998-09-11) +# specifies only the 1998-10-11 and 1999-02-21 transitions; +# after that, these rules are guesses and are quite possibly wrong, +# but they are more likely than no DST at all. +Rule Brazil 1998 max - Oct Sun>=11 0:00 1:00 D +Rule Brazil 1999 max - Feb Sun>=15 0:00 0 S + # Zone NAME GMTOFF RULES FORMAT [UNTIL] # @@ -289,6 +355,8 @@ Zone America/Fortaleza -2:34:00 - LMT 1914 -3:00 - EST # # Alagoas, Sergipe, Tocantins +# IATA SSIM (1996/1998) keeps bouncing back and forth as to whether +# Alagoas and Sergipe observe DST. For now, continue to assume that they do. Zone America/Maceio -2:22:52 - LMT 1914 -3:00 - EST 1963 Dec 9 -3:00 Brazil E%sT 1990 Jul @@ -326,14 +394,20 @@ Zone America/Porto_Acre -4:31:12 - LMT 1914 # From Eduardo Krell (1995-10-19): # The law says to switch to DST at midnight [24:00] on the second SATURDAY # of October.... The law is the same for March and October. +# (1998-09-29): +# Because of the drought this year, the government decided to go into +# DST earlier (saturday 9/26 at 24:00). This is a one-time change only ... +# (unless there's another dry season next year, I guess). # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Chile 1918 only - Sep 1 0:00 1:00 S Rule Chile 1919 only - Jul 2 0:00 0 - Rule Chile 1927 1931 - Sep 1 0:00 1:00 S Rule Chile 1928 1932 - Apr 1 0:00 0 - -Rule Chile 1969 max - Oct Sun>=9 0:00 1:00 S +Rule Chile 1969 1997 - Oct Sun>=9 0:00 1:00 S Rule Chile 1970 max - Mar Sun>=9 0:00 0 - +Rule Chile 1998 only - Sep 27 0:00 1:00 S +Rule Chile 1999 max - Oct Sun>=9 0:00 1:00 S # IATA SSIM anomalies: (1990-09) says 1990-09-16; (1992-02) says 1992-03-14; # (1996-09) says 1998-03-08. Ignore these for now. # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -354,6 +428,7 @@ Zone Pacific/Easter -7:17:28 - LMT 1890 # Mataveri # Colombia # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule CO 1992 only - May 2 0:00 1:00 S +# Shanks (1995) estimates 1993-04-03 24:00 for this; go with IATA. Rule CO 1992 only - Dec 31 0:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Bogota -4:56:20 - LMT 1884 Mar 13 @@ -363,6 +438,10 @@ Zone America/Bogota -4:56:20 - LMT 1884 Mar 13 # no information; probably like America/Bogota # Curacao +# Shanks (1995) says that Bottom and Oranjestad have been at -4:00 since +# standard time was introduced on 1912-03-02; and that Kralendijk and Rincon +# used Kralendijk Mean Time (-4:33:08) from 1912-02-02 to 1965-01-01. +# This all predates our 1970 cutoff, though. # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Curacao -4:35:44 - LMT 1912 Feb 12 # Willemstad -4:30 - ANT 1965 # Netherlands Antilles Time @@ -437,9 +516,11 @@ Rule Para 1992 only - Oct 5 0:00 1:00 S Rule Para 1993 only - Mar 31 0:00 0 - Rule Para 1993 1995 - Oct 1 0:00 1:00 S Rule Para 1994 1995 - Feb lastSun 0:00 0 - -Rule Para 1996 max - Mar 1 0:00 0 - -Rule Para 1996 only - Oct 6 0:00 1:00 S -Rule Para 1997 max - Oct 1 0:00 1:00 S +Rule Para 1996 1998 - Mar 1 0:00 0 - +Rule Para 1996 max - Oct Sun>=1 0:00 1:00 S +# IATA SSIM (1998-02) claims that the 1999 switch will be on 02-27. +# Assume this is a typo, and that 02-28 was meant. +Rule Para 1999 max - Feb lastSun 0:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Asuncion -3:50:40 - LMT 1890 -3:50:40 - AMT 1931 Oct 10 # Asuncion Mean Time diff --git a/share/zoneinfo/zone.tab b/share/zoneinfo/zone.tab index df4c15778868..78a0ed458a68 100644 --- a/share/zoneinfo/zone.tab +++ b/share/zoneinfo/zone.tab @@ -33,6 +33,7 @@ AQ -7750+16636 Antarctica/McMurdo McMurdo Station, Ross Island AQ -9000+00000 Antarctica/South_Pole Amundsen-Scott Station, South Pole AQ -6448-06406 Antarctica/Palmer Palmer Station, Anvers Island AQ -6736+06253 Antarctica/Mawson Mawson Station, Holme Bay +AQ -6835+07758 Antarctica/Davis Davis Station, Vestfold Hills AQ -6617+11031 Antarctica/Casey Casey Station, Bailey Peninsula AQ -6640+14001 Antarctica/DumontDUrville Dumont-d'Urville Base, Terre Adelie AR -3436-05827 America/Buenos_Aires E Argentina (BA, DF, SC, TF) @@ -178,8 +179,7 @@ ID -0610+10648 Asia/Jakarta Java & Sumatra ID -0507+11924 Asia/Ujung_Pandang Borneo & Celebes ID -0232+14042 Asia/Jayapura Irian Jaya & the Moluccas IE +5320-00615 Europe/Dublin -IL +3146+03514 Asia/Jerusalem most locations -IL +3130+03428 Asia/Gaza Gaza Strip +IL +3146+03514 Asia/Jerusalem IN +2232+08822 Asia/Calcutta IO -0720+07225 Indian/Chagos IQ +3321+04425 Asia/Baghdad @@ -202,7 +202,7 @@ KP +3901+12545 Asia/Pyongyang KR +3733+12658 Asia/Seoul KW +2920+04759 Asia/Kuwait KY +1918-08123 America/Cayman -KZ +4315+07657 Asia/Alma-Ata east Kazakhstan +KZ +4315+07657 Asia/Almaty east Kazakhstan KZ +5017+05710 Asia/Aqtobe central Kazakhstan KZ +4431+05016 Asia/Aqtau west Kazakhstan LA +1758+10236 Asia/Vientiane @@ -236,8 +236,10 @@ MT +3554+01431 Europe/Malta MU -2010+05730 Indian/Mauritius MV +0410+07330 Indian/Maldives MW -1547+03500 Africa/Blantyre +MX +2105-08646 America/Cancun Eastern Time MX +1924-09909 America/Mexico_City Central Time -MX +2313-10625 America/Mazatlan Mountain Time +MX +2313-10625 America/Mazatlan Mountain Time - most locations +MX +2838-10605 America/Chihuahua Mountain Time - Chihuahua MX +3152-11637 America/Ensenada Pacific Time - most locations MX +3232-11701 America/Tijuana Pacific Time - north Baja California MY +0310+10142 Asia/Kuala_Lumpur peninsular Malaysia @@ -255,7 +257,7 @@ NP +2743+08519 Asia/Katmandu NR -0031+16655 Pacific/Nauru NU -1901+16955 Pacific/Niue NZ -3652+17446 Pacific/Auckland most locations -NZ -4355+17630 Pacific/Chatham Chatham Island +NZ -4355-17630 Pacific/Chatham Chatham Islands OM +2336+05835 Asia/Muscat PA +0858-07932 America/Panama PE -1203-07703 America/Lima @@ -269,6 +271,7 @@ PL +5215+02100 Europe/Warsaw PM +4703-05620 America/Miquelon PN -2504-13005 Pacific/Pitcairn PR +182806-0660622 America/Puerto_Rico +PS +3130+03428 Asia/Gaza PT +3843-00908 Europe/Lisbon mainland PT +3238-01654 Atlantic/Madeira Madeira Islands PT +3744-02540 Atlantic/Azores Azores @@ -353,7 +356,8 @@ US +643004-1652423 America/Nome Alaska Time - west Alaska US +515248-1763929 America/Adak Aleutian Islands US +211825-1575130 Pacific/Honolulu Hawaii UY -3453-05611 America/Montevideo -UZ +4120+06918 Asia/Tashkent +UZ +3940+06648 Asia/Samarkand west Uzbekistan +UZ +4120+06918 Asia/Tashkent east Uzbekistan VA +4154+01227 Europe/Vatican VC +1309-06114 America/St_Vincent VE +1030-06656 America/Caracas