<?php
			date_default_timezone_set('Europe/Istanbul');
$rem = strtotime('21:00:00') - time();
$hr  = floor(($rem % 86400) / 3600);
$min = floor(($rem % 3600) / 60);
$sec = ($rem % 60);
if($hr) echo "$hr Saat ";
if($min) echo "$min Dakika ";
if($sec) echo "$sec Saniye ";
echo "kaldı...";
?>