gmmktime
Definition
int gmmktime ([ int $hour = gmdate("H") [, int $minute = gmdate("i") [, int $second = gmdate("s") [, int $month = gmdate("n") [, int $day = gmdate("j") [, int $year = gmdate("Y") [, int $is_dst = -1 ]]]]]]] )
Description
Identical to mktime() except the passed parameters represents a GMT date. gmmktime() internally uses mktime() so only times valid in derived local time can be used.