The jdtojulian() function converts a Julian Day Count to a Julian date.
PHP jdtojulian() Function has the following syntax.
jdtojulian(jd);
PHP jdtojulian() Function returns a Julian date in format "month/day/year".
Convert a Julian date to a Julian Day Count and back to a Julian date:
<?php
$jd=juliantojd(6,20,2013);
echo $jd . "\n";
echo jdtojulian($jd);
?>
The code above generates the following result.