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PHP Function jdtounix()

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Syntax

jdtounix ( $jday );

Definition and Usage

This function will return a Unix timestamp corresponding to the Julian Day given in jday or FALSE if jday is not inside the Unix epoch (Gregorian years between 1970 and 2037 or 2440588 < jday < 2465342 ). The time returned is localtime (and not GMT).

Paramters

ParameterDescription
jdayRequired. A julian day number between 2440588 and 2465342.

Return Value

The unix timestamp for the start of the given julian day.

Example

Try out following example:

<?php
$jd = gregoriantojd(11,3,1990);
$unix = jdtounix($jd);
echo($unix);
?> 

This will produce following result:

657590400
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