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1216 lines
55 KiB
EmacsLisp
1216 lines
55 KiB
EmacsLisp
;;; cal-hebrew.el --- calendar functions for the Hebrew calendar
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;; Copyright (C) 1995, 1997, 2001, 2002, 2003, 2004, 2005, 2006
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;; Free Software Foundation, Inc.
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;; Author: Nachum Dershowitz <nachum@cs.uiuc.edu>
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;; Edward M. Reingold <reingold@cs.uiuc.edu>
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;; Maintainer: Glenn Morris <rgm@gnu.org>
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;; Keywords: calendar
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;; Human-Keywords: Hebrew calendar, calendar, diary
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Commentary:
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;; This collection of functions implements the features of calendar.el and
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;; diary.el that deal with the Hebrew calendar.
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;; Technical details of all the calendrical calculations can be found in
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;; ``Calendrical Calculations: The Millennium Edition'' by Edward M. Reingold
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;; and Nachum Dershowitz, Cambridge University Press (2001).
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;; Comments, corrections, and improvements should be sent to
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;; Edward M. Reingold Department of Computer Science
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;; (217) 333-6733 University of Illinois at Urbana-Champaign
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;; reingold@cs.uiuc.edu 1304 West Springfield Avenue
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;; Urbana, Illinois 61801
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;;; Code:
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(defvar date)
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(defvar displayed-month)
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(defvar displayed-year)
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(defvar entry)
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(defvar number)
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(defvar original-date)
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(require 'calendar)
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(defun hebrew-calendar-leap-year-p (year)
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"t if YEAR is a Hebrew calendar leap year."
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(< (% (1+ (* 7 year)) 19) 7))
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(defun hebrew-calendar-last-month-of-year (year)
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"The last month of the Hebrew calendar YEAR."
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(if (hebrew-calendar-leap-year-p year)
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13
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12))
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(defun hebrew-calendar-elapsed-days (year)
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"Days from Sun. prior to start of Hebrew calendar to mean conjunction of Tishri of Hebrew YEAR."
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(let* ((months-elapsed
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(+ (* 235 (/ (1- year) 19));; Months in complete cycles so far.
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(* 12 (% (1- year) 19)) ;; Regular months in this cycle
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(/ (1+ (* 7 (% (1- year) 19))) 19)));; Leap months this cycle
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(parts-elapsed (+ 204 (* 793 (% months-elapsed 1080))))
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(hours-elapsed (+ 5
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(* 12 months-elapsed)
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(* 793 (/ months-elapsed 1080))
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(/ parts-elapsed 1080)))
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(parts ;; Conjunction parts
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(+ (* 1080 (% hours-elapsed 24)) (% parts-elapsed 1080)))
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(day ;; Conjunction day
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(+ 1 (* 29 months-elapsed) (/ hours-elapsed 24)))
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(alternative-day
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(if (or (>= parts 19440) ;; If the new moon is at or after midday,
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(and (= (% day 7) 2);; ...or is on a Tuesday...
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(>= parts 9924) ;; at 9 hours, 204 parts or later...
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(not (hebrew-calendar-leap-year-p year)));; of a
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;; common year,
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(and (= (% day 7) 1);; ...or is on a Monday...
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(>= parts 16789) ;; at 15 hours, 589 parts or later...
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(hebrew-calendar-leap-year-p (1- year))));; at the end
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;; of a leap year
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;; Then postpone Rosh HaShanah one day
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(1+ day)
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;; Else
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day)))
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(if ;; If Rosh HaShanah would occur on Sunday, Wednesday, or Friday
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(memq (% alternative-day 7) (list 0 3 5))
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;; Then postpone it one (more) day and return
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(1+ alternative-day)
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;; Else return
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alternative-day)))
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(defun hebrew-calendar-days-in-year (year)
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"Number of days in Hebrew YEAR."
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(- (hebrew-calendar-elapsed-days (1+ year))
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(hebrew-calendar-elapsed-days year)))
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(defun hebrew-calendar-long-heshvan-p (year)
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"t if Heshvan is long in Hebrew YEAR."
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(= (% (hebrew-calendar-days-in-year year) 10) 5))
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(defun hebrew-calendar-short-kislev-p (year)
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"t if Kislev is short in Hebrew YEAR."
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(= (% (hebrew-calendar-days-in-year year) 10) 3))
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(defun hebrew-calendar-last-day-of-month (month year)
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"The last day of MONTH in YEAR."
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(if (or (memq month (list 2 4 6 10 13))
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(and (= month 12) (not (hebrew-calendar-leap-year-p year)))
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(and (= month 8) (not (hebrew-calendar-long-heshvan-p year)))
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(and (= month 9) (hebrew-calendar-short-kislev-p year)))
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29
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30))
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(defun calendar-absolute-from-hebrew (date)
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"Absolute date of Hebrew DATE.
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The absolute date is the number of days elapsed since the (imaginary)
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Gregorian date Sunday, December 31, 1 BC."
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(let* ((month (extract-calendar-month date))
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(day (extract-calendar-day date))
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(year (extract-calendar-year date)))
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(+ day ;; Days so far this month.
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(if (< month 7);; before Tishri
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;; Then add days in prior months this year before and after Nisan
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(+ (calendar-sum
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m 7 (<= m (hebrew-calendar-last-month-of-year year))
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(hebrew-calendar-last-day-of-month m year))
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(calendar-sum
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m 1 (< m month)
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(hebrew-calendar-last-day-of-month m year)))
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;; Else add days in prior months this year
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(calendar-sum
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m 7 (< m month)
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(hebrew-calendar-last-day-of-month m year)))
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(hebrew-calendar-elapsed-days year);; Days in prior years.
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-1373429))) ;; Days elapsed before absolute date 1.
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(defun calendar-hebrew-from-absolute (date)
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"Compute the Hebrew date (month day year) corresponding to absolute DATE.
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The absolute date is the number of days elapsed since the (imaginary)
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Gregorian date Sunday, December 31, 1 BC."
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(let* ((greg-date (calendar-gregorian-from-absolute date))
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(month (aref [9 10 11 12 1 2 3 4 7 7 7 8]
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(1- (extract-calendar-month greg-date))))
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(day)
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(year (+ 3760 (extract-calendar-year greg-date))))
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(while (>= date (calendar-absolute-from-hebrew (list 7 1 (1+ year))))
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(setq year (1+ year)))
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(let ((length (hebrew-calendar-last-month-of-year year)))
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(while (> date
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(calendar-absolute-from-hebrew
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(list month
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(hebrew-calendar-last-day-of-month month year)
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year)))
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(setq month (1+ (% month length)))))
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(setq day (1+
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(- date (calendar-absolute-from-hebrew (list month 1 year)))))
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(list month day year)))
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(defvar calendar-hebrew-month-name-array-common-year
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["Nisan" "Iyar" "Sivan" "Tammuz" "Av" "Elul" "Tishri"
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"Heshvan" "Kislev" "Teveth" "Shevat" "Adar"]
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"Array of strings giving the names of the Hebrew months in a common year.")
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(defvar calendar-hebrew-month-name-array-leap-year
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["Nisan" "Iyar" "Sivan" "Tammuz" "Av" "Elul" "Tishri"
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"Heshvan" "Kislev" "Teveth" "Shevat" "Adar I" "Adar II"]
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"Array of strings giving the names of the Hebrew months in a leap year.")
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(defun calendar-hebrew-date-string (&optional date)
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"String of Hebrew date before sunset of Gregorian DATE.
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Defaults to today's date if DATE is not given.
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Driven by the variable `calendar-date-display-form'."
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(let* ((hebrew-date (calendar-hebrew-from-absolute
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(calendar-absolute-from-gregorian
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(or date (calendar-current-date)))))
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(calendar-month-name-array
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(if (hebrew-calendar-leap-year-p (extract-calendar-year hebrew-date))
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calendar-hebrew-month-name-array-leap-year
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calendar-hebrew-month-name-array-common-year)))
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(calendar-date-string hebrew-date nil t)))
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(defun calendar-print-hebrew-date ()
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"Show the Hebrew calendar equivalent of the date under the cursor."
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(interactive)
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(message "Hebrew date (until sunset): %s"
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(calendar-hebrew-date-string (calendar-cursor-to-date t))))
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(defun hebrew-calendar-yahrzeit (death-date year)
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"Absolute date of the anniversary of Hebrew DEATH-DATE in Hebrew YEAR."
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(let* ((death-day (extract-calendar-day death-date))
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(death-month (extract-calendar-month death-date))
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(death-year (extract-calendar-year death-date)))
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(cond
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;; If it's Heshvan 30 it depends on the first anniversary; if
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;; that was not Heshvan 30, use the day before Kislev 1.
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((and (= death-month 8)
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(= death-day 30)
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(not (hebrew-calendar-long-heshvan-p (1+ death-year))))
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(1- (calendar-absolute-from-hebrew (list 9 1 year))))
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;; If it's Kislev 30 it depends on the first anniversary; if
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;; that was not Kislev 30, use the day before Teveth 1.
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((and (= death-month 9)
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(= death-day 30)
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(hebrew-calendar-short-kislev-p (1+ death-year)))
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(1- (calendar-absolute-from-hebrew (list 10 1 year))))
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;; If it's Adar II, use the same day in last month of
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;; year (Adar or Adar II).
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((= death-month 13)
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(calendar-absolute-from-hebrew
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(list (hebrew-calendar-last-month-of-year year) death-day year)))
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;; If it's the 30th in Adar I and year is not a leap year
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;; (so Adar has only 29 days), use the last day in Shevat.
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((and (= death-day 30)
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(= death-month 12)
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(not (hebrew-calendar-leap-year-p year)))
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(calendar-absolute-from-hebrew (list 11 30 year)))
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;; In all other cases, use the normal anniversary of the date of death.
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(t (calendar-absolute-from-hebrew
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(list death-month death-day year))))))
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(defun calendar-goto-hebrew-date (date &optional noecho)
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"Move cursor to Hebrew DATE; echo Hebrew date unless NOECHO is t."
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(interactive
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(let* ((today (calendar-current-date))
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(year (calendar-read
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"Hebrew calendar year (>3760): "
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'(lambda (x) (> x 3760))
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(int-to-string
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(extract-calendar-year
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(calendar-hebrew-from-absolute
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(calendar-absolute-from-gregorian today))))))
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(month-array (if (hebrew-calendar-leap-year-p year)
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calendar-hebrew-month-name-array-leap-year
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calendar-hebrew-month-name-array-common-year))
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(completion-ignore-case t)
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(month (cdr (assoc-string
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(completing-read
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"Hebrew calendar month name: "
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(mapcar 'list (append month-array nil))
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(if (= year 3761)
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'(lambda (x)
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(let ((m (cdr
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(assoc-string
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(car x)
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(calendar-make-alist month-array)
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t))))
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(< 0
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(calendar-absolute-from-hebrew
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(list m
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(hebrew-calendar-last-day-of-month
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m year)
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year))))))
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t)
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(calendar-make-alist month-array 1) t)))
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(last (hebrew-calendar-last-day-of-month month year))
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(first (if (and (= year 3761) (= month 10))
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18 1))
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(day (calendar-read
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(format "Hebrew calendar day (%d-%d): "
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first last)
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'(lambda (x) (and (<= first x) (<= x last))))))
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(list (list month day year))))
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(calendar-goto-date (calendar-gregorian-from-absolute
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(calendar-absolute-from-hebrew date)))
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(or noecho (calendar-print-hebrew-date)))
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(defun holiday-hebrew (month day string)
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"Holiday on MONTH, DAY (Hebrew) called STRING.
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If MONTH, DAY (Hebrew) is visible, the value returned is corresponding
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Gregorian date in the form of the list (((month day year) STRING)). Returns
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nil if it is not visible in the current calendar window."
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(if (memq displayed-month;; This test is only to speed things up a bit;
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(list ;; it works fine without the test too.
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(if (< 11 month) (- month 11) (+ month 1))
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(if (< 10 month) (- month 10) (+ month 2))
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(if (< 9 month) (- month 9) (+ month 3))
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(if (< 8 month) (- month 8) (+ month 4))
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(if (< 7 month) (- month 7) (+ month 5))))
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(let ((m1 displayed-month)
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(y1 displayed-year)
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(m2 displayed-month)
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(y2 displayed-year)
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(year))
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(increment-calendar-month m1 y1 -1)
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(increment-calendar-month m2 y2 1)
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(let* ((start-date (calendar-absolute-from-gregorian
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(list m1 1 y1)))
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(end-date (calendar-absolute-from-gregorian
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(list m2 (calendar-last-day-of-month m2 y2) y2)))
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(hebrew-start (calendar-hebrew-from-absolute start-date))
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(hebrew-end (calendar-hebrew-from-absolute end-date))
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(hebrew-y1 (extract-calendar-year hebrew-start))
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(hebrew-y2 (extract-calendar-year hebrew-end)))
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(setq year (if (< 6 month) hebrew-y2 hebrew-y1))
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(let ((date (calendar-gregorian-from-absolute
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(calendar-absolute-from-hebrew
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(list month day year)))))
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(if (calendar-date-is-visible-p date)
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(list (list date string))))))))
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(defun holiday-rosh-hashanah-etc ()
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"List of dates related to Rosh Hashanah, as visible in calendar window."
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(if (or (< displayed-month 8)
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(> displayed-month 11))
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nil;; None of the dates is visible
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(let* ((abs-r-h (calendar-absolute-from-hebrew
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(list 7 1 (+ displayed-year 3761))))
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(mandatory
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(list
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(list (calendar-gregorian-from-absolute abs-r-h)
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(format "Rosh HaShanah %d" (+ 3761 displayed-year)))
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(list (calendar-gregorian-from-absolute (+ abs-r-h 9))
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"Yom Kippur")
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(list (calendar-gregorian-from-absolute (+ abs-r-h 14))
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"Sukkot")
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(list (calendar-gregorian-from-absolute (+ abs-r-h 21))
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"Shemini Atzeret")
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(list (calendar-gregorian-from-absolute (+ abs-r-h 22))
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"Simchat Torah")))
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(optional
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(list
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(list (calendar-gregorian-from-absolute
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(calendar-dayname-on-or-before 6 (- abs-r-h 4)))
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"Selichot (night)")
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(list (calendar-gregorian-from-absolute (1- abs-r-h))
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"Erev Rosh HaShanah")
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(list (calendar-gregorian-from-absolute (1+ abs-r-h))
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"Rosh HaShanah (second day)")
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(list (calendar-gregorian-from-absolute
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(if (= (% abs-r-h 7) 4) (+ abs-r-h 3) (+ abs-r-h 2)))
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"Tzom Gedaliah")
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(list (calendar-gregorian-from-absolute
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(calendar-dayname-on-or-before 6 (+ 7 abs-r-h)))
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"Shabbat Shuvah")
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(list (calendar-gregorian-from-absolute (+ abs-r-h 8))
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"Erev Yom Kippur")
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(list (calendar-gregorian-from-absolute (+ abs-r-h 13))
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"Erev Sukkot")
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(list (calendar-gregorian-from-absolute (+ abs-r-h 15))
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"Sukkot (second day)")
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(list (calendar-gregorian-from-absolute (+ abs-r-h 16))
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"Hol Hamoed Sukkot (first day)")
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(list (calendar-gregorian-from-absolute (+ abs-r-h 17))
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"Hol Hamoed Sukkot (second day)")
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(list (calendar-gregorian-from-absolute (+ abs-r-h 18))
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"Hol Hamoed Sukkot (third day)")
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(list (calendar-gregorian-from-absolute (+ abs-r-h 19))
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"Hol Hamoed Sukkot (fourth day)")
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(list (calendar-gregorian-from-absolute (+ abs-r-h 20))
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"Hoshanah Rabbah")))
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(output-list
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(filter-visible-calendar-holidays mandatory)))
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(if all-hebrew-calendar-holidays
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(setq output-list
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(append
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(filter-visible-calendar-holidays optional)
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output-list)))
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output-list)))
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(defun holiday-hanukkah ()
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"List of dates related to Hanukkah, as visible in calendar window."
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(if (memq displayed-month;; This test is only to speed things up a bit;
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'(10 11 12 1 2));; it works fine without the test too.
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(let ((m displayed-month)
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(y displayed-year))
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(increment-calendar-month m y 1)
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(let* ((h-y (extract-calendar-year
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(calendar-hebrew-from-absolute
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(calendar-absolute-from-gregorian
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(list m (calendar-last-day-of-month m y) y)))))
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(abs-h (calendar-absolute-from-hebrew (list 9 25 h-y))))
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(filter-visible-calendar-holidays
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(list
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(list (calendar-gregorian-from-absolute (1- abs-h))
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"Erev Hanukkah")
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(list (calendar-gregorian-from-absolute abs-h)
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"Hanukkah (first day)")
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(list (calendar-gregorian-from-absolute (1+ abs-h))
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"Hanukkah (second day)")
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(list (calendar-gregorian-from-absolute (+ abs-h 2))
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"Hanukkah (third day)")
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(list (calendar-gregorian-from-absolute (+ abs-h 3))
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"Hanukkah (fourth day)")
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(list (calendar-gregorian-from-absolute (+ abs-h 4))
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"Hanukkah (fifth day)")
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(list (calendar-gregorian-from-absolute (+ abs-h 5))
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"Hanukkah (sixth day)")
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(list (calendar-gregorian-from-absolute (+ abs-h 6))
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"Hanukkah (seventh day)")
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(list (calendar-gregorian-from-absolute (+ abs-h 7))
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"Hanukkah (eighth day)")))))))
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(defun holiday-passover-etc ()
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"List of dates related to Passover, as visible in calendar window."
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(if (< 7 displayed-month)
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nil;; None of the dates is visible
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(let* ((abs-p (calendar-absolute-from-hebrew
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(list 1 15 (+ displayed-year 3760))))
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(mandatory
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(list
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(list (calendar-gregorian-from-absolute abs-p)
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"Passover")
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(list (calendar-gregorian-from-absolute (+ abs-p 50))
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"Shavuot")))
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(optional
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(list
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(list (calendar-gregorian-from-absolute
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(calendar-dayname-on-or-before 6 (- abs-p 43)))
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"Shabbat Shekalim")
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(list (calendar-gregorian-from-absolute
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(calendar-dayname-on-or-before 6 (- abs-p 30)))
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"Shabbat Zachor")
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(list (calendar-gregorian-from-absolute
|
|
(if (= (% abs-p 7) 2) (- abs-p 33) (- abs-p 31)))
|
|
"Fast of Esther")
|
|
(list (calendar-gregorian-from-absolute (- abs-p 31))
|
|
"Erev Purim")
|
|
(list (calendar-gregorian-from-absolute (- abs-p 30))
|
|
"Purim")
|
|
(list (calendar-gregorian-from-absolute
|
|
(if (zerop (% abs-p 7)) (- abs-p 28) (- abs-p 29)))
|
|
"Shushan Purim")
|
|
(list (calendar-gregorian-from-absolute
|
|
(- (calendar-dayname-on-or-before 6 (- abs-p 14)) 7))
|
|
"Shabbat Parah")
|
|
(list (calendar-gregorian-from-absolute
|
|
(calendar-dayname-on-or-before 6 (- abs-p 14)))
|
|
"Shabbat HaHodesh")
|
|
(list (calendar-gregorian-from-absolute
|
|
(calendar-dayname-on-or-before 6 (1- abs-p)))
|
|
"Shabbat HaGadol")
|
|
(list (calendar-gregorian-from-absolute (1- abs-p))
|
|
"Erev Passover")
|
|
(list (calendar-gregorian-from-absolute (1+ abs-p))
|
|
"Passover (second day)")
|
|
(list (calendar-gregorian-from-absolute (+ abs-p 2))
|
|
"Hol Hamoed Passover (first day)")
|
|
(list (calendar-gregorian-from-absolute (+ abs-p 3))
|
|
"Hol Hamoed Passover (second day)")
|
|
(list (calendar-gregorian-from-absolute (+ abs-p 4))
|
|
"Hol Hamoed Passover (third day)")
|
|
(list (calendar-gregorian-from-absolute (+ abs-p 5))
|
|
"Hol Hamoed Passover (fourth day)")
|
|
(list (calendar-gregorian-from-absolute (+ abs-p 6))
|
|
"Passover (seventh day)")
|
|
(list (calendar-gregorian-from-absolute (+ abs-p 7))
|
|
"Passover (eighth day)")
|
|
(list (calendar-gregorian-from-absolute
|
|
(if (zerop (% (+ abs-p 12) 7))
|
|
(+ abs-p 13)
|
|
(+ abs-p 12)))
|
|
"Yom HaShoah")
|
|
(list (calendar-gregorian-from-absolute
|
|
(if (zerop (% abs-p 7))
|
|
(+ abs-p 18)
|
|
(if (= (% abs-p 7) 6)
|
|
(+ abs-p 19)
|
|
(+ abs-p 20))))
|
|
"Yom HaAtzma'ut")
|
|
(list (calendar-gregorian-from-absolute (+ abs-p 33))
|
|
"Lag BaOmer")
|
|
(list (calendar-gregorian-from-absolute (+ abs-p 43))
|
|
"Yom Yerushalaim")
|
|
(list (calendar-gregorian-from-absolute (+ abs-p 49))
|
|
"Erev Shavuot")
|
|
(list (calendar-gregorian-from-absolute (+ abs-p 51))
|
|
"Shavuot (second day)")))
|
|
(output-list
|
|
(filter-visible-calendar-holidays mandatory)))
|
|
(if all-hebrew-calendar-holidays
|
|
(setq output-list
|
|
(append
|
|
(filter-visible-calendar-holidays optional)
|
|
output-list)))
|
|
output-list)))
|
|
|
|
(defun holiday-tisha-b-av-etc ()
|
|
"List of dates around Tisha B'Av, as visible in calendar window."
|
|
(if (or (< displayed-month 5)
|
|
(> displayed-month 9))
|
|
nil;; None of the dates is visible
|
|
(let* ((abs-t-a (calendar-absolute-from-hebrew
|
|
(list 5 9 (+ displayed-year 3760)))))
|
|
|
|
(filter-visible-calendar-holidays
|
|
(list
|
|
(list (calendar-gregorian-from-absolute
|
|
(if (= (% abs-t-a 7) 6) (- abs-t-a 20) (- abs-t-a 21)))
|
|
"Tzom Tammuz")
|
|
(list (calendar-gregorian-from-absolute
|
|
(calendar-dayname-on-or-before 6 abs-t-a))
|
|
"Shabbat Hazon")
|
|
(list (calendar-gregorian-from-absolute
|
|
(if (= (% abs-t-a 7) 6) (1+ abs-t-a) abs-t-a))
|
|
"Tisha B'Av")
|
|
(list (calendar-gregorian-from-absolute
|
|
(calendar-dayname-on-or-before 6 (+ abs-t-a 7)))
|
|
"Shabbat Nahamu"))))))
|
|
|
|
(defun list-hebrew-diary-entries ()
|
|
"Add any Hebrew date entries from the diary file to `diary-entries-list'.
|
|
Hebrew date diary entries must be prefaced by `hebrew-diary-entry-symbol'
|
|
\(normally an `H'). The same diary date forms govern the style of the Hebrew
|
|
calendar entries, except that the Hebrew month names must be spelled in full.
|
|
The Hebrew months are numbered from 1 to 13 with Nisan being 1, 12 being
|
|
Adar I and 13 being Adar II; you must use `Adar I' if you want Adar of a
|
|
common Hebrew year. If a Hebrew date diary entry begins with a
|
|
`diary-nonmarking-symbol', the entry will appear in the diary listing, but will
|
|
not be marked in the calendar. This function is provided for use with the
|
|
`nongregorian-diary-listing-hook'."
|
|
(if (< 0 number)
|
|
(let ((buffer-read-only nil)
|
|
(diary-modified (buffer-modified-p))
|
|
(gdate original-date)
|
|
(mark (regexp-quote diary-nonmarking-symbol)))
|
|
(calendar-for-loop i from 1 to number do
|
|
(let* ((d diary-date-forms)
|
|
(hdate (calendar-hebrew-from-absolute
|
|
(calendar-absolute-from-gregorian gdate)))
|
|
(month (extract-calendar-month hdate))
|
|
(day (extract-calendar-day hdate))
|
|
(year (extract-calendar-year hdate)))
|
|
(while d
|
|
(let*
|
|
((date-form (if (equal (car (car d)) 'backup)
|
|
(cdr (car d))
|
|
(car d)))
|
|
(backup (equal (car (car d)) 'backup))
|
|
(dayname
|
|
(format "%s\\|%s\\.?"
|
|
(calendar-day-name gdate)
|
|
(calendar-day-name gdate 'abbrev)))
|
|
(calendar-month-name-array
|
|
calendar-hebrew-month-name-array-leap-year)
|
|
(monthname
|
|
(concat
|
|
"\\*\\|"
|
|
(calendar-month-name month)))
|
|
(month (concat "\\*\\|0*" (int-to-string month)))
|
|
(day (concat "\\*\\|0*" (int-to-string day)))
|
|
(year
|
|
(concat
|
|
"\\*\\|0*" (int-to-string year)
|
|
(if abbreviated-calendar-year
|
|
(concat "\\|" (int-to-string (% year 100)))
|
|
"")))
|
|
(regexp
|
|
(concat
|
|
"\\(\\`\\|\^M\\|\n\\)" mark "?"
|
|
(regexp-quote hebrew-diary-entry-symbol)
|
|
"\\("
|
|
(mapconcat 'eval date-form "\\)\\(")
|
|
"\\)"))
|
|
(case-fold-search t))
|
|
(goto-char (point-min))
|
|
(while (re-search-forward regexp nil t)
|
|
(if backup (re-search-backward "\\<" nil t))
|
|
(if (and (or (char-equal (preceding-char) ?\^M)
|
|
(char-equal (preceding-char) ?\n))
|
|
(not (looking-at " \\|\^I")))
|
|
;; Diary entry that consists only of date.
|
|
(backward-char 1)
|
|
;; Found a nonempty diary entry--make it visible and
|
|
;; add it to the list.
|
|
(let ((entry-start (point))
|
|
(date-start))
|
|
(re-search-backward "\^M\\|\n\\|\\`")
|
|
(setq date-start (point))
|
|
(re-search-forward "\^M\\|\n" nil t 2)
|
|
(while (looking-at " \\|\^I")
|
|
(re-search-forward "\^M\\|\n" nil t))
|
|
(backward-char 1)
|
|
(subst-char-in-region date-start (point) ?\^M ?\n t)
|
|
(add-to-diary-list
|
|
gdate
|
|
(buffer-substring-no-properties entry-start (point))
|
|
(buffer-substring-no-properties
|
|
(1+ date-start) (1- entry-start))
|
|
(copy-marker entry-start))))))
|
|
(setq d (cdr d))))
|
|
(setq gdate
|
|
(calendar-gregorian-from-absolute
|
|
(1+ (calendar-absolute-from-gregorian gdate)))))
|
|
(set-buffer-modified-p diary-modified))
|
|
(goto-char (point-min))))
|
|
|
|
(defun mark-hebrew-calendar-date-pattern (month day year)
|
|
"Mark dates in calendar window that conform to Hebrew date MONTH/DAY/YEAR.
|
|
A value of 0 in any position is a wildcard."
|
|
(save-excursion
|
|
(set-buffer calendar-buffer)
|
|
(if (and (/= 0 month) (/= 0 day))
|
|
(if (/= 0 year)
|
|
;; Fully specified Hebrew date.
|
|
(let ((date (calendar-gregorian-from-absolute
|
|
(calendar-absolute-from-hebrew
|
|
(list month day year)))))
|
|
(if (calendar-date-is-visible-p date)
|
|
(mark-visible-calendar-date date)))
|
|
;; Month and day in any year--this taken from the holiday stuff.
|
|
(if (memq displayed-month;; This test is only to speed things up a
|
|
(list ;; bit; it works fine without the test too.
|
|
(if (< 11 month) (- month 11) (+ month 1))
|
|
(if (< 10 month) (- month 10) (+ month 2))
|
|
(if (< 9 month) (- month 9) (+ month 3))
|
|
(if (< 8 month) (- month 8) (+ month 4))
|
|
(if (< 7 month) (- month 7) (+ month 5))))
|
|
(let ((m1 displayed-month)
|
|
(y1 displayed-year)
|
|
(m2 displayed-month)
|
|
(y2 displayed-year)
|
|
(year))
|
|
(increment-calendar-month m1 y1 -1)
|
|
(increment-calendar-month m2 y2 1)
|
|
(let* ((start-date (calendar-absolute-from-gregorian
|
|
(list m1 1 y1)))
|
|
(end-date (calendar-absolute-from-gregorian
|
|
(list m2
|
|
(calendar-last-day-of-month m2 y2)
|
|
y2)))
|
|
(hebrew-start
|
|
(calendar-hebrew-from-absolute start-date))
|
|
(hebrew-end (calendar-hebrew-from-absolute end-date))
|
|
(hebrew-y1 (extract-calendar-year hebrew-start))
|
|
(hebrew-y2 (extract-calendar-year hebrew-end)))
|
|
(setq year (if (< 6 month) hebrew-y2 hebrew-y1))
|
|
(let ((date (calendar-gregorian-from-absolute
|
|
(calendar-absolute-from-hebrew
|
|
(list month day year)))))
|
|
(if (calendar-date-is-visible-p date)
|
|
(mark-visible-calendar-date date)))))))
|
|
;; Not one of the simple cases--check all visible dates for match.
|
|
;; Actually, the following code takes care of ALL of the cases, but
|
|
;; it's much too slow to be used for the simple (common) cases.
|
|
(let ((m displayed-month)
|
|
(y displayed-year)
|
|
(first-date)
|
|
(last-date))
|
|
(increment-calendar-month m y -1)
|
|
(setq first-date
|
|
(calendar-absolute-from-gregorian
|
|
(list m 1 y)))
|
|
(increment-calendar-month m y 2)
|
|
(setq last-date
|
|
(calendar-absolute-from-gregorian
|
|
(list m (calendar-last-day-of-month m y) y)))
|
|
(calendar-for-loop date from first-date to last-date do
|
|
(let* ((h-date (calendar-hebrew-from-absolute date))
|
|
(h-month (extract-calendar-month h-date))
|
|
(h-day (extract-calendar-day h-date))
|
|
(h-year (extract-calendar-year h-date)))
|
|
(and (or (zerop month)
|
|
(= month h-month))
|
|
(or (zerop day)
|
|
(= day h-day))
|
|
(or (zerop year)
|
|
(= year h-year))
|
|
(mark-visible-calendar-date
|
|
(calendar-gregorian-from-absolute date)))))))))
|
|
|
|
(defun mark-hebrew-diary-entries ()
|
|
"Mark days in the calendar window that have Hebrew date diary entries.
|
|
Each entry in diary-file (or included files) visible in the calendar window
|
|
is marked. Hebrew date entries are prefaced by a hebrew-diary-entry-symbol
|
|
\(normally an `H'). The same diary-date-forms govern the style of the Hebrew
|
|
calendar entries, except that the Hebrew month names must be spelled in full.
|
|
The Hebrew months are numbered from 1 to 13 with Nisan being 1, 12 being
|
|
Adar I and 13 being Adar II; you must use `Adar I' if you want Adar of a
|
|
common Hebrew year. Hebrew date diary entries that begin with a
|
|
diary-nonmarking symbol will not be marked in the calendar. This function
|
|
is provided for use as part of the nongregorian-diary-marking-hook."
|
|
(let ((d diary-date-forms))
|
|
(while d
|
|
(let*
|
|
((date-form (if (equal (car (car d)) 'backup)
|
|
(cdr (car d))
|
|
(car d)));; ignore 'backup directive
|
|
(dayname (diary-name-pattern calendar-day-name-array
|
|
calendar-day-abbrev-array))
|
|
(monthname
|
|
(format "%s\\|\\*"
|
|
(diary-name-pattern
|
|
calendar-hebrew-month-name-array-leap-year)))
|
|
(month "[0-9]+\\|\\*")
|
|
(day "[0-9]+\\|\\*")
|
|
(year "[0-9]+\\|\\*")
|
|
(l (length date-form))
|
|
(d-name-pos (- l (length (memq 'dayname date-form))))
|
|
(d-name-pos (if (/= l d-name-pos) (+ 2 d-name-pos)))
|
|
(m-name-pos (- l (length (memq 'monthname date-form))))
|
|
(m-name-pos (if (/= l m-name-pos) (+ 2 m-name-pos)))
|
|
(d-pos (- l (length (memq 'day date-form))))
|
|
(d-pos (if (/= l d-pos) (+ 2 d-pos)))
|
|
(m-pos (- l (length (memq 'month date-form))))
|
|
(m-pos (if (/= l m-pos) (+ 2 m-pos)))
|
|
(y-pos (- l (length (memq 'year date-form))))
|
|
(y-pos (if (/= l y-pos) (+ 2 y-pos)))
|
|
(regexp
|
|
(concat
|
|
"\\(\\`\\|\^M\\|\n\\)"
|
|
(regexp-quote hebrew-diary-entry-symbol)
|
|
"\\("
|
|
(mapconcat 'eval date-form "\\)\\(")
|
|
"\\)"))
|
|
(case-fold-search t))
|
|
(goto-char (point-min))
|
|
(while (re-search-forward regexp nil t)
|
|
(let* ((dd-name
|
|
(if d-name-pos
|
|
(buffer-substring
|
|
(match-beginning d-name-pos)
|
|
(match-end d-name-pos))))
|
|
(mm-name
|
|
(if m-name-pos
|
|
(buffer-substring
|
|
(match-beginning m-name-pos)
|
|
(match-end m-name-pos))))
|
|
(mm (string-to-number
|
|
(if m-pos
|
|
(buffer-substring
|
|
(match-beginning m-pos)
|
|
(match-end m-pos))
|
|
"")))
|
|
(dd (string-to-number
|
|
(if d-pos
|
|
(buffer-substring
|
|
(match-beginning d-pos)
|
|
(match-end d-pos))
|
|
"")))
|
|
(y-str (if y-pos
|
|
(buffer-substring
|
|
(match-beginning y-pos)
|
|
(match-end y-pos))))
|
|
(yy (if (not y-str)
|
|
0
|
|
(if (and (= (length y-str) 2)
|
|
abbreviated-calendar-year)
|
|
(let* ((current-y
|
|
(extract-calendar-year
|
|
(calendar-hebrew-from-absolute
|
|
(calendar-absolute-from-gregorian
|
|
(calendar-current-date)))))
|
|
(y (+ (string-to-number y-str)
|
|
(* 100 (/ current-y 100)))))
|
|
(if (> (- y current-y) 50)
|
|
(- y 100)
|
|
(if (> (- current-y y) 50)
|
|
(+ y 100)
|
|
y)))
|
|
(string-to-number y-str)))))
|
|
(if dd-name
|
|
(mark-calendar-days-named
|
|
(cdr (assoc-string dd-name
|
|
(calendar-make-alist
|
|
calendar-day-name-array
|
|
0 nil calendar-day-abbrev-array) t)))
|
|
(if mm-name
|
|
(setq mm
|
|
(if (string-equal mm-name "*") 0
|
|
(cdr
|
|
(assoc-string
|
|
mm-name
|
|
(calendar-make-alist
|
|
calendar-hebrew-month-name-array-leap-year) t)))))
|
|
(mark-hebrew-calendar-date-pattern mm dd yy)))))
|
|
(setq d (cdr d)))))
|
|
|
|
(defun insert-hebrew-diary-entry (arg)
|
|
"Insert a diary entry.
|
|
For the Hebrew date corresponding to the date indicated by point.
|
|
Prefix arg will make the entry nonmarking."
|
|
(interactive "P")
|
|
(let* ((calendar-month-name-array
|
|
calendar-hebrew-month-name-array-leap-year))
|
|
(make-diary-entry
|
|
(concat
|
|
hebrew-diary-entry-symbol
|
|
(calendar-date-string
|
|
(calendar-hebrew-from-absolute
|
|
(calendar-absolute-from-gregorian
|
|
(calendar-cursor-to-date t)))
|
|
nil t))
|
|
arg)))
|
|
|
|
(defun insert-monthly-hebrew-diary-entry (arg)
|
|
"Insert a monthly diary entry.
|
|
For the day of the Hebrew month corresponding to the date indicated by point.
|
|
Prefix arg will make the entry nonmarking."
|
|
(interactive "P")
|
|
(let* ((calendar-date-display-form
|
|
(if european-calendar-style '(day " * ") '("* " day )))
|
|
(calendar-month-name-array
|
|
calendar-hebrew-month-name-array-leap-year))
|
|
(make-diary-entry
|
|
(concat
|
|
hebrew-diary-entry-symbol
|
|
(calendar-date-string
|
|
(calendar-hebrew-from-absolute
|
|
(calendar-absolute-from-gregorian
|
|
(calendar-cursor-to-date t)))))
|
|
arg)))
|
|
|
|
(defun insert-yearly-hebrew-diary-entry (arg)
|
|
"Insert an annual diary entry.
|
|
For the day of the Hebrew year corresponding to the date indicated by point.
|
|
Prefix arg will make the entry nonmarking."
|
|
(interactive "P")
|
|
(let* ((calendar-date-display-form
|
|
(if european-calendar-style
|
|
'(day " " monthname)
|
|
'(monthname " " day)))
|
|
(calendar-month-name-array
|
|
calendar-hebrew-month-name-array-leap-year))
|
|
(make-diary-entry
|
|
(concat
|
|
hebrew-diary-entry-symbol
|
|
(calendar-date-string
|
|
(calendar-hebrew-from-absolute
|
|
(calendar-absolute-from-gregorian
|
|
(calendar-cursor-to-date t)))))
|
|
arg)))
|
|
|
|
;;;###autoload
|
|
(defun list-yahrzeit-dates (death-date start-year end-year)
|
|
"List Yahrzeit dates for *Gregorian* DEATH-DATE from START-YEAR to END-YEAR.
|
|
When called interactively from the calendar window, the date of death is taken
|
|
from the cursor position."
|
|
(interactive
|
|
(let* ((death-date
|
|
(if (equal (current-buffer) (get-buffer calendar-buffer))
|
|
(calendar-cursor-to-date)
|
|
(let* ((today (calendar-current-date))
|
|
(year (calendar-read
|
|
"Year of death (>0): "
|
|
'(lambda (x) (> x 0))
|
|
(int-to-string (extract-calendar-year today))))
|
|
(month-array calendar-month-name-array)
|
|
(completion-ignore-case t)
|
|
(month (cdr (assoc-string
|
|
(completing-read
|
|
"Month of death (name): "
|
|
(mapcar 'list (append month-array nil))
|
|
nil t)
|
|
(calendar-make-alist month-array 1) t)))
|
|
(last (calendar-last-day-of-month month year))
|
|
(day (calendar-read
|
|
(format "Day of death (1-%d): " last)
|
|
'(lambda (x) (and (< 0 x) (<= x last))))))
|
|
(list month day year))))
|
|
(death-year (extract-calendar-year death-date))
|
|
(start-year (calendar-read
|
|
(format "Starting year of Yahrzeit table (>%d): "
|
|
death-year)
|
|
'(lambda (x) (> x death-year))
|
|
(int-to-string (1+ death-year))))
|
|
(end-year (calendar-read
|
|
(format "Ending year of Yahrzeit table (>=%d): "
|
|
start-year)
|
|
'(lambda (x) (>= x start-year)))))
|
|
(list death-date start-year end-year)))
|
|
(message "Computing yahrzeits...")
|
|
(let* ((yahrzeit-buffer "*Yahrzeits*")
|
|
(h-date (calendar-hebrew-from-absolute
|
|
(calendar-absolute-from-gregorian death-date)))
|
|
(h-month (extract-calendar-month h-date))
|
|
(h-day (extract-calendar-day h-date))
|
|
(h-year (extract-calendar-year h-date)))
|
|
(set-buffer (get-buffer-create yahrzeit-buffer))
|
|
(setq buffer-read-only nil)
|
|
(calendar-set-mode-line
|
|
(format "Yahrzeit dates for %s = %s"
|
|
(calendar-date-string death-date)
|
|
(let ((calendar-month-name-array
|
|
(if (hebrew-calendar-leap-year-p h-year)
|
|
calendar-hebrew-month-name-array-leap-year
|
|
calendar-hebrew-month-name-array-common-year)))
|
|
(calendar-date-string h-date nil t))))
|
|
(erase-buffer)
|
|
(goto-char (point-min))
|
|
(calendar-for-loop i from start-year to end-year do
|
|
(insert
|
|
(calendar-date-string
|
|
(calendar-gregorian-from-absolute
|
|
(hebrew-calendar-yahrzeit
|
|
h-date
|
|
(extract-calendar-year
|
|
(calendar-hebrew-from-absolute
|
|
(calendar-absolute-from-gregorian (list 1 1 i))))))) "\n"))
|
|
(goto-char (point-min))
|
|
(set-buffer-modified-p nil)
|
|
(setq buffer-read-only t)
|
|
(display-buffer yahrzeit-buffer)
|
|
(message "Computing yahrzeits...done")))
|
|
|
|
(defun diary-hebrew-date ()
|
|
"Hebrew calendar equivalent of date diary entry."
|
|
(format "Hebrew date (until sunset): %s" (calendar-hebrew-date-string date)))
|
|
|
|
(defun diary-omer (&optional mark)
|
|
"Omer count diary entry.
|
|
Entry applies if date is within 50 days after Passover.
|
|
|
|
An optional parameter MARK specifies a face or single-character string to
|
|
use when highlighting the day in the calendar."
|
|
(let* ((passover
|
|
(calendar-absolute-from-hebrew
|
|
(list 1 15 (+ (extract-calendar-year date) 3760))))
|
|
(omer (- (calendar-absolute-from-gregorian date) passover))
|
|
(week (/ omer 7))
|
|
(day (% omer 7)))
|
|
(if (and (> omer 0) (< omer 50))
|
|
(cons mark
|
|
(format "Day %d%s of the omer (until sunset)"
|
|
omer
|
|
(if (zerop week)
|
|
""
|
|
(format ", that is, %d week%s%s"
|
|
week
|
|
(if (= week 1) "" "s")
|
|
(if (zerop day)
|
|
""
|
|
(format " and %d day%s"
|
|
day (if (= day 1) "" "s"))))))))))
|
|
|
|
(defun diary-yahrzeit (death-month death-day death-year &optional mark)
|
|
"Yahrzeit diary entry--entry applies if date is yahrzeit or the day before.
|
|
Parameters are DEATH-MONTH, DEATH-DAY, DEATH-YEAR; the diary entry is assumed
|
|
to be the name of the person. Date of death is on the *civil* calendar;
|
|
although the date of death is specified by the civil calendar, the proper
|
|
Hebrew calendar yahrzeit is determined. If `european-calendar-style' is t, the
|
|
order of the parameters is changed to DEATH-DAY, DEATH-MONTH, DEATH-YEAR.
|
|
|
|
An optional parameter MARK specifies a face or single-character string to
|
|
use when highlighting the day in the calendar."
|
|
(let* ((h-date (calendar-hebrew-from-absolute
|
|
(calendar-absolute-from-gregorian
|
|
(if european-calendar-style
|
|
(list death-day death-month death-year)
|
|
(list death-month death-day death-year)))))
|
|
(h-month (extract-calendar-month h-date))
|
|
(h-day (extract-calendar-day h-date))
|
|
(h-year (extract-calendar-year h-date))
|
|
(d (calendar-absolute-from-gregorian date))
|
|
(yr (extract-calendar-year (calendar-hebrew-from-absolute d)))
|
|
(diff (- yr h-year))
|
|
(y (hebrew-calendar-yahrzeit h-date yr)))
|
|
(if (and (> diff 0) (or (= y d) (= y (1+ d))))
|
|
(cons mark
|
|
(format "Yahrzeit of %s%s: %d%s anniversary"
|
|
entry
|
|
(if (= y d) "" " (evening)")
|
|
diff
|
|
(cond ((= (% diff 10) 1) "st")
|
|
((= (% diff 10) 2) "nd")
|
|
((= (% diff 10) 3) "rd")
|
|
(t "th")))))))
|
|
|
|
(defun diary-rosh-hodesh (&optional mark)
|
|
"Rosh Hodesh diary entry.
|
|
Entry applies if date is Rosh Hodesh, the day before, or the Saturday before.
|
|
|
|
An optional parameter MARK specifies a face or single-character string to
|
|
use when highlighting the day in the calendar."
|
|
(let* ((d (calendar-absolute-from-gregorian date))
|
|
(h-date (calendar-hebrew-from-absolute d))
|
|
(h-month (extract-calendar-month h-date))
|
|
(h-day (extract-calendar-day h-date))
|
|
(h-year (extract-calendar-year h-date))
|
|
(leap-year (hebrew-calendar-leap-year-p h-year))
|
|
(last-day (hebrew-calendar-last-day-of-month h-month h-year))
|
|
(h-month-names
|
|
(if leap-year
|
|
calendar-hebrew-month-name-array-leap-year
|
|
calendar-hebrew-month-name-array-common-year))
|
|
(this-month (aref h-month-names (1- h-month)))
|
|
(h-yesterday (extract-calendar-day
|
|
(calendar-hebrew-from-absolute (1- d)))))
|
|
(if (or (= h-day 30) (and (= h-day 1) (/= h-month 7)))
|
|
(cons mark
|
|
(format
|
|
"Rosh Hodesh %s"
|
|
(if (= h-day 30)
|
|
(format
|
|
"%s (first day)"
|
|
;; next month must be in the same year since this
|
|
;; month can't be the last month of the year since
|
|
;; it has 30 days
|
|
(aref h-month-names h-month))
|
|
(if (= h-yesterday 30)
|
|
(format "%s (second day)" this-month)
|
|
this-month))))
|
|
(if (= (% d 7) 6) ;; Saturday--check for Shabbat Mevarchim
|
|
(cons mark
|
|
(cond ((and (> h-day 22) (/= h-month 6) (= 29 last-day))
|
|
(format "Mevarchim Rosh Hodesh %s (%s)"
|
|
(aref h-month-names
|
|
(if (= h-month
|
|
(hebrew-calendar-last-month-of-year
|
|
h-year))
|
|
0 h-month))
|
|
(aref calendar-day-name-array (- 29 h-day))))
|
|
((and (< h-day 30) (> h-day 22) (= 30 last-day))
|
|
(format "Mevarchim Rosh Hodesh %s (%s-%s)"
|
|
(aref h-month-names h-month)
|
|
(if (= h-day 29)
|
|
"tomorrow"
|
|
(aref calendar-day-name-array (- 29 h-day)))
|
|
(aref calendar-day-name-array
|
|
(% (- 30 h-day) 7))))))
|
|
(if (and (= h-day 29) (/= h-month 6))
|
|
(cons mark
|
|
(format "Erev Rosh Hodesh %s"
|
|
(aref h-month-names
|
|
(if (= h-month
|
|
(hebrew-calendar-last-month-of-year
|
|
h-year))
|
|
0 h-month)))))))))
|
|
|
|
(defvar hebrew-calendar-parashiot-names
|
|
["Bereshith" "Noah" "Lech L'cha" "Vayera" "Hayei Sarah" "Toledoth"
|
|
"Vayetze" "Vayishlah" "Vayeshev" "Mikketz" "Vayiggash" "Vayhi"
|
|
"Shemoth" "Vaera" "Bo" "Beshallah" "Yithro" "Mishpatim"
|
|
"Terumah" "Tetzavveh" "Ki Tissa" "Vayakhel" "Pekudei" "Vayikra"
|
|
"Tzav" "Shemini" "Tazria" "Metzora" "Aharei Moth" "Kedoshim"
|
|
"Emor" "Behar" "Behukkotai" "Bemidbar" "Naso" "Behaalot'cha"
|
|
"Shelah L'cha" "Korah" "Hukkath" "Balak" "Pinhas" "Mattoth"
|
|
"Masei" "Devarim" "Vaethanan" "Ekev" "Reeh" "Shofetim"
|
|
"Ki Tetze" "Ki Tavo" "Nitzavim" "Vayelech" "Haazinu"]
|
|
"The names of the parashiot in the Torah.")
|
|
|
|
(defun hebrew-calendar-parasha-name (p)
|
|
"Name(s) corresponding to parasha P."
|
|
(if (arrayp p);; combined parasha
|
|
(format "%s/%s"
|
|
(aref hebrew-calendar-parashiot-names (aref p 0))
|
|
(aref hebrew-calendar-parashiot-names (aref p 1)))
|
|
(aref hebrew-calendar-parashiot-names p)))
|
|
|
|
(defun diary-parasha (&optional mark)
|
|
"Parasha diary entry--entry applies if date is a Saturday.
|
|
|
|
An optional parameter MARK specifies a face or single-character string to
|
|
use when highlighting the day in the calendar."
|
|
(let ((d (calendar-absolute-from-gregorian date)))
|
|
(if (= (% d 7) 6) ;; Saturday
|
|
(let*
|
|
((h-year (extract-calendar-year
|
|
(calendar-hebrew-from-absolute d)))
|
|
(rosh-hashanah
|
|
(calendar-absolute-from-hebrew (list 7 1 h-year)))
|
|
(passover
|
|
(calendar-absolute-from-hebrew (list 1 15 h-year)))
|
|
(rosh-hashanah-day
|
|
(aref calendar-day-name-array (% rosh-hashanah 7)))
|
|
(passover-day
|
|
(aref calendar-day-name-array (% passover 7)))
|
|
(long-h (hebrew-calendar-long-heshvan-p h-year))
|
|
(short-k (hebrew-calendar-short-kislev-p h-year))
|
|
(type (cond ((and long-h (not short-k)) "complete")
|
|
((and (not long-h) short-k) "incomplete")
|
|
(t "regular")))
|
|
(year-format
|
|
(symbol-value
|
|
(intern (format "hebrew-calendar-year-%s-%s-%s" ;; keviah
|
|
rosh-hashanah-day type passover-day))))
|
|
(first-saturday ;; of Hebrew year
|
|
(calendar-dayname-on-or-before 6 (+ 6 rosh-hashanah)))
|
|
(saturday ;; which Saturday of the Hebrew year
|
|
(/ (- d first-saturday) 7))
|
|
(parasha (aref year-format saturday)))
|
|
(if parasha
|
|
(cons mark
|
|
(format
|
|
"Parashat %s"
|
|
(if (listp parasha) ;; Israel differs from diaspora
|
|
(if (car parasha)
|
|
(format "%s (diaspora), %s (Israel)"
|
|
(hebrew-calendar-parasha-name (car parasha))
|
|
(hebrew-calendar-parasha-name (cdr parasha)))
|
|
(format "%s (Israel)"
|
|
(hebrew-calendar-parasha-name (cdr parasha))))
|
|
(hebrew-calendar-parasha-name parasha)))))))))
|
|
|
|
;; The seven ordinary year types (keviot)
|
|
|
|
(defconst hebrew-calendar-year-Saturday-incomplete-Sunday
|
|
[nil 52 nil nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 [21 22]
|
|
23 24 nil 25 [26 27] [28 29] 30 [31 32] 33 34 35 36 37 38 39 40 [41 42]
|
|
43 44 45 46 47 48 49 50]
|
|
"The structure of the parashiot.
|
|
Hebrew year starts on Saturday, is `incomplete' (Heshvan and Kislev each have
|
|
29 days), and has Passover start on Sunday.")
|
|
|
|
(defconst hebrew-calendar-year-Saturday-complete-Tuesday
|
|
[nil 52 nil nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 [21 22]
|
|
23 24 nil 25 [26 27] [28 29] 30 [31 32] 33 34 35 36 37 38 39 40 [41 42]
|
|
43 44 45 46 47 48 49 [50 51]]
|
|
"The structure of the parashiot.
|
|
Hebrew year that starts on Saturday, is `complete' (Heshvan and Kislev each
|
|
have 30 days), and has Passover start on Tuesday.")
|
|
|
|
(defconst hebrew-calendar-year-Monday-incomplete-Tuesday
|
|
[51 52 nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 [21 22]
|
|
23 24 nil 25 [26 27] [28 29] 30 [31 32] 33 34 35 36 37 38 39 40 [41 42]
|
|
43 44 45 46 47 48 49 [50 51]]
|
|
"The structure of the parashiot.
|
|
Hebrew year that starts on Monday, is `incomplete' (Heshvan and Kislev each
|
|
have 29 days), and has Passover start on Tuesday.")
|
|
|
|
(defconst hebrew-calendar-year-Monday-complete-Thursday
|
|
[51 52 nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 [21 22]
|
|
23 24 nil 25 [26 27] [28 29] 30 [31 32] 33 (nil . 34) (34 . 35) (35 . 36)
|
|
(36 . 37) (37 . 38) ([38 39] . 39) 40 [41 42] 43 44 45 46 47 48 49 [50 51]]
|
|
"The structure of the parashiot.
|
|
Hebrew year that starts on Monday, is `complete' (Heshvan and Kislev each have
|
|
30 days), and has Passover start on Thursday.")
|
|
|
|
(defconst hebrew-calendar-year-Tuesday-regular-Thursday
|
|
[51 52 nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 [21 22]
|
|
23 24 nil 25 [26 27] [28 29] 30 [31 32] 33 (nil . 34) (34 . 35) (35 . 36)
|
|
(36 . 37) (37 . 38) ([38 39] . 39) 40 [41 42] 43 44 45 46 47 48 49 [50 51]]
|
|
"The structure of the parashiot.
|
|
Hebrew year that starts on Tuesday, is `regular' (Heshvan has 29 days and
|
|
Kislev has 30 days), and has Passover start on Thursday.")
|
|
|
|
(defconst hebrew-calendar-year-Thursday-regular-Saturday
|
|
[52 nil nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 [21 22] 23
|
|
24 nil (nil . 25) (25 . [26 27]) ([26 27] . [28 29]) ([28 29] . 30)
|
|
(30 . 31) ([31 32] . 32) 33 34 35 36 37 38 39 40 [41 42] 43 44 45 46 47 48
|
|
49 50]
|
|
"The structure of the parashiot.
|
|
Hebrew year that starts on Thursday, is `regular' (Heshvan has 29 days and
|
|
Kislev has 30 days), and has Passover start on Saturday.")
|
|
|
|
(defconst hebrew-calendar-year-Thursday-complete-Sunday
|
|
[52 nil nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
|
|
23 24 nil 25 [26 27] [28 29] 30 [31 32] 33 34 35 36 37 38 39 40 [41 42]
|
|
43 44 45 46 47 48 49 50]
|
|
"The structure of the parashiot.
|
|
Hebrew year that starts on Thursday, is `complete' (Heshvan and Kislev each
|
|
have 30 days), and has Passover start on Sunday.")
|
|
|
|
;; The seven leap year types (keviot)
|
|
|
|
(defconst hebrew-calendar-year-Saturday-incomplete-Tuesday
|
|
[nil 52 nil nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
|
|
23 24 25 26 27 nil 28 29 30 31 32 33 34 35 36 37 38 39 40 [41 42]
|
|
43 44 45 46 47 48 49 [50 51]]
|
|
"The structure of the parashiot.
|
|
Hebrew year that starts on Saturday, is `incomplete' (Heshvan and Kislev each
|
|
have 29 days), and has Passover start on Tuesday.")
|
|
|
|
(defconst hebrew-calendar-year-Saturday-complete-Thursday
|
|
[nil 52 nil nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
|
|
23 24 25 26 27 nil 28 29 30 31 32 33 (nil . 34) (34 . 35) (35 . 36)
|
|
(36 . 37) (37 . 38) ([38 39] . 39) 40 [41 42] 43 44 45 46 47 48 49 [50 51]]
|
|
"The structure of the parashiot.
|
|
Hebrew year that starts on Saturday, is `complete' (Heshvan and Kislev each
|
|
have 30 days), and has Passover start on Thursday.")
|
|
|
|
(defconst hebrew-calendar-year-Monday-incomplete-Thursday
|
|
[51 52 nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
|
|
23 24 25 26 27 nil 28 29 30 31 32 33 (nil . 34) (34 . 35) (35 . 36)
|
|
(36 . 37) (37 . 38) ([38 39] . 39) 40 [41 42] 43 44 45 46 47 48 49 [50 51]]
|
|
"The structure of the parashiot.
|
|
Hebrew year that starts on Monday, is `incomplete' (Heshvan and Kislev each
|
|
have 29 days), and has Passover start on Thursday.")
|
|
|
|
(defconst hebrew-calendar-year-Monday-complete-Saturday
|
|
[51 52 nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
|
|
23 24 25 26 27 nil (nil . 28) (28 . 29) (29 . 30) (30 . 31) (31 . 32)
|
|
(32 . 33) (33 . 34) (34 . 35) (35 . 36) (36 . 37) (37 . 38) (38 . 39)
|
|
(39 . 40) (40 . 41) ([41 42] . 42) 43 44 45 46 47 48 49 50]
|
|
"The structure of the parashiot.
|
|
Hebrew year that starts on Monday, is `complete' (Heshvan and Kislev each have
|
|
30 days), and has Passover start on Saturday.")
|
|
|
|
(defconst hebrew-calendar-year-Tuesday-regular-Saturday
|
|
[51 52 nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
|
|
23 24 25 26 27 nil (nil . 28) (28 . 29) (29 . 30) (30 . 31) (31 . 32)
|
|
(32 . 33) (33 . 34) (34 . 35) (35 . 36) (36 . 37) (37 . 38) (38 . 39)
|
|
(39 . 40) (40 . 41) ([41 42] . 42) 43 44 45 46 47 48 49 50]
|
|
"The structure of the parashiot.
|
|
Hebrew year that starts on Tuesday, is `regular' (Heshvan has 29 days and
|
|
Kislev has 30 days), and has Passover start on Saturday.")
|
|
|
|
(defconst hebrew-calendar-year-Thursday-incomplete-Sunday
|
|
[52 nil nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
|
|
23 24 25 26 27 28 nil 29 30 31 32 33 34 35 36 37 38 39 40 41 42
|
|
43 44 45 46 47 48 49 50]
|
|
"The structure of the parashiot.
|
|
Hebrew year that starts on Thursday, is `incomplete' (Heshvan and Kislev both
|
|
have 29 days), and has Passover start on Sunday.")
|
|
|
|
(defconst hebrew-calendar-year-Thursday-complete-Tuesday
|
|
[52 nil nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
|
|
23 24 25 26 27 28 nil 29 30 31 32 33 34 35 36 37 38 39 40 41 42
|
|
43 44 45 46 47 48 49 [50 51]]
|
|
"The structure of the parashiot.
|
|
Hebrew year that starts on Thursday, is `complete' (Heshvan and Kislev both
|
|
have 30 days), and has Passover start on Tuesday.")
|
|
|
|
(provide 'cal-hebrew)
|
|
|
|
;;; arch-tag: aaab6718-7712-42ac-a32d-28fe1f944f3c
|
|
;;; cal-hebrew.el ends here
|