odpočítavanie

<?php
// Define your target date here
   $targetYear  = 2007;
   $targetMonth = 9;
   $targetDay   = 21;
   $targetHour  = 17;
   $targetMinute= 00;
   $targetSecond= 00;
// End target date definition

// Define date format
$dateFormat = "Y-m-d H:i:s";

$targetDate = mktime($targetHour,$targetMinute,$targetSecond,$targetMonth,$targetDay,$targetYear);
$actualDate = time();

$secondsDiff = $targetDate - $actualDate;

$remainingDay     = floor($secondsDiff/60/60/24);
$remainingHour    = floor(($secondsDiff-($remainingDay*60*60*24))/60/60);
$remainingMinutes = floor(($secondsDiff-($remainingDay*60*60*24)-($remainingHour*60*60))/60);
$remainingSeconds = floor(($secondsDiff-($remainingDay*60*60*24)-($remainingHour*60*60))-($remainingMinutes*60));

$targetDateDisplay = date($dateFormat,$targetDate);
$actualDateDisplay = date($dateFormat,$actualDate);

echo "$remainingDay dni, $remainingHour hodin, $remainingMinutes minut, $remainingSeconds sekund";