<?php $today = unixtojd(mktime(0, 0, 0, 8, 16, 2003));print_r(cal_from_jd($today, CAL_GREGORIAN));?>
The above example will output:
Array ( [date] => 8/16/2003 [month] => 8 [day] => 16 [year] => 2003 [dow] => 6 [abbrevdayname] => Sat [dayname] => Saturday [abbrevmonth] => Aug [monthname] => August )