PHP JDToUnix() Function

Definition and Usage

The JDToUnix() function converts a Julian day count to a Unix timestamp.

Syntax

jdtounix(jd)

Parameter Description
jd Required. A number (a Julian day count)


Tips and Notes

Note: This function will return false if the parameter jd is not inside the Unix epoch (means that the Gregorian years must be between 1970 and 2037 or that jd >= 2440588 and jd <= 2465342). The time returned is local time.

Example

<?php
$jd = gregoriantojd(10,3,1970);
$unix = jdtounix($jd);
echo($unix);
?> 
 
OUTPUT :
23760000