<?php
$date = '04-29-2013';
$time = '11:30pm';
$compound = $date . ' ' . $time;
$dt = DateTime::createFromFormat('m-d-Y h:ia', $compound);
$dt->modify('+2 hour');
$newDate = $dt->format('m-d-Y');
$newTime = $dt->format('h:ia');
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