print $start;
$start = strtotime($start);
var_dump($start);
$hour = date('H:i A', $start);
die($hour);

Sat, 20 Oct 2012 05:00:00 GMT
int(1350709200)
00:00 AM

print $start;
$start = strtotime($start);
die($start);
$hour = date('H:i A', $start);
die($hour);

Sat, 20 Oct 2012 05:00:00 GMT