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PHP : Function Reference : Calendar Functions : JewishToJD

JewishToJD

Converts a date in the Jewish Calendar to Julian Day Count ()
int jewishtojd ( int month, int day, int year )

Although this function can handle dates all the way back to the year 1 (3761 B.C.), such use may not be meaningful. The Jewish calendar has been in use for several thousand years, but in the early days there was no formula to determine the start of a month. A new month was started when the new moon was first observed.

Parameters

month

The month as a number from 1 to 13

day

The day as a number from 1 to 30

year

The year as a number between 1 and 9999

Return Values

The julian day for the given jewish date as an integer.

Code Examples / Notes » jewishtojd

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JewishToJD returns 0 when the day number is 31 or more.
However, when the day number is 30, JewishToJD returns a valid Julian Day, even when the month only has 29 days. So, for example:
<?php
JDToJewish(JewishToJD(4,30,5767)) === "5/1/5767"
?>


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