@info = localtime( $time ); # You provide $time, or get it from time()
$stamp = (Jan, Feb, Mar, Apr, May, June, July, Aug, Sept, Oct, Nov, Dec)[$info[4]];
$stamp .= ' ';
$stamp .= $info[3];
$stamp .= ' ';
$stamp .= 1900 + $info[5];
print $stamp;