Description:
------------
After 2011-10-30 03:59:59, there should be 2011-10-30 04:00:00
there should not be 2011-10-30 03:00:00

Test script:
---------------
<?php
$t1 = "1319936371";
for ($i=0;$i<100;$i++) {
	$t = $t1+$i;
	echo date("Y-m-d H:i:s", $t)."<br>";
}
?>

Expected result:
----------------
...
...
1319936397 2011-10-30 03:59:57
1319936398 2011-10-30 03:59:58
1319936399 2011-10-30 03:59:59
1319936400 2011-10-30 04:00:00
1319936401 2011-10-30 04:00:01
1319936402 2011-10-30 04:00:02
...
...

Actual result:
--------------
...
...
1319936397 2011-10-30 03:59:57
1319936398 2011-10-30 03:59:58
1319936399 2011-10-30 03:59:59
1319936400 2011-10-30 03:00:00
1319936401 2011-10-30 03:00:01
1319936402 2011-10-30 03:00:02
...
...