<?php

    $first = strtotime("10/06/2010 04:00");
    echo $first."<br>".date("F d Y, h:ia",$first)."<hr>";

    $second = mktime(4,0,0,10,6,2010);
    echo $second."<br>".date("F d Y, h:ia",$second)."<hr>";

?>