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67 lines
2.3 KiB
Groff
67 lines
2.3 KiB
Groff
.\" Copyright (c) 1989, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)pom.6 8.1 (Berkeley) 5/31/93
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.\" $FreeBSD$
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.\"
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.Dd July 14, 2010
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.Dt POM 6
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.Os
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.Sh NAME
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.Nm pom
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.Nd display the phase of the moon
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.Sh SYNOPSIS
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.Nm
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.Op Fl p
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.Op Fl d Ar yyyy.mm.dd
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.Op Fl t Ar hh:mm:ss
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.Sh DESCRIPTION
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The
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.Nm
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utility displays the current phase of the moon.
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Useful for selecting software completion target dates and predicting
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managerial behavior.
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.Pp
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Use the
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.Fl p
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option to print just the phase as a percentage.
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.Pp
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Use the arguments
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.Fl d
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and
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.Fl t
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to specify a specific date and time for which the phase of the moon
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has to be calculated.
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If
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.Fl d
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but not
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.Fl t
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has been specified, it will calculate the phase of the moon on that
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day at midnight.
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.Sh SEE ALSO
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`Practical Astronomy with Your Calculator' by Duffett-Smith.
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