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.\" .UC 4
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.TH "HDATE" "1" "2 Mar 2005" "Yaacov Zamir" "libhdate"
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.SH "NAME"
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hdate \- Hebrew date and calendar
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.PP
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example programs for libhdate, a library that help use Hebrew dates.
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.PP
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LibHdate is a small C,C++ library for Hebrew dates,
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holidays, and reading sequence (parasha). It is using
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the source code from Amos Shapir's "hdate" package fixed and
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patched by Nadav Har'El. The Torah reading sequence
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is from tables by Zvi Har'El.
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.SH "SYNOPSIS"
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.B hdate
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[\-sctShHrRjdi]
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.PP
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[\-L longitude \-l latitude]
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[\-z timezone]
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.PP
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[[[day] month] year]/[julian_day]
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.SH "DESCRIPTION"
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.I Hdate
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translates the specified date to the Hebrew calendar.
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If no arguments are given, it uses today's date.
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`month' is a number between 1 and 12.
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.PP
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If the year is greater than 3000
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.I hdate
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takes the given date as a Hebrew date, and translates it
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back to the common calendar. If argument is greater than 100000
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.I hdate
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takes it as the Julian day number.
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Months are numbered with Tishrey being 1 and Elul 12; Adar I and Adar II are months 13 and 14.
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.PP
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.I \-s
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: Print sunrise/sunset times.
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.PP
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.I \-c
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: Print Shabat enter/leave times.
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Shabat starts 20 min before sunset,
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and exits when three stars are out.
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.PP
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.I \-t
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: Print day times list.
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.PP
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first light, talit, sunrise, mid day, sunset, first stars, three stars.
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.PP
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.I \-S
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: Print using short format.
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.PP
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.I \-h
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: Print holidays.
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.PP
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.I \-H
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: Print just holidays.
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.PP
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.I \-r
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: Print weekly reading on Saturday.
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.PP
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.I \-R
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: Print just weekly reading on Saturday.
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.PP
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.I \-j
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: Print Julian day number.
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.PP
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.I \-d
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: Use diaspora reading and holidays.
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.PP
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.I \-i
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: Use iCal formatted output.
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.PP
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.I \-l
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xx : Set the latitude for solar calculations to
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.PP
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xx degrees. Negative values are south.
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.PP
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.I \-L
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xx : Set the longitude for solar calculations to
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.PP
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xx degrees. *Negative values are EAST*.
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.PP
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.I \-z
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: Use specified timezone.
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.PP
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( default location for sunrise/set is Tel Aviv ).
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.SH "EXAMPLES"
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.B hdate -Hi 2025
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.PP
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Creates an iCal calendar of the holidays of year 2025.
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.PP
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.B hdate -sR 4 2031 -l29 -L-34 -z2
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.PP
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Print out the weekly readings and sunset/sunrise times in Eilat on April 2031.
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.PP
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.PP
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.B Useful locations and time zones
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.PP
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Eilat : 29, -34, 2
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.PP
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Haifa : 32, -34, 2
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.PP
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Jerusalem : 31, -35, 2
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.PP
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Tel Aviv : 32, -34, 2
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.PP
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Ashdod : 31, -34, 2
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.PP
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Beer Sheva : 31, -34, 2
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.PP
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Tiberias : 32, -35, 2
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.PP
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.PP
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London : 51, 0, 0
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.PP
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Paris : 48, -2, 1
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.PP
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New York : 40, 74, -5
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.PP
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Moscow : 55, -37, 3
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.PP
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.PP
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.SH "SEE ALSO"
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date(1), cal(1), hcal(1), hebcal(1), remind(1), hdate.h(3), hdate_struct(3)
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.SH "AUTHOR"
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Yaacov Zamir 2005, text copied from Amos Shapir's hdate man file.
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