<?php
echo "AM time:\n";
$am = DateTime::createFromFormat('h:i A','1:00 AM');
echo $am->format('d M y H:i')."\n";
echo $am->format('d M y h:i A');
echo "\n\nPM time:\n";
$pm = DateTime::createFromFormat('h:i A','1:00 PM');
echo $pm->format('d M y H:i')."\n";
echo $pm->format('d M y h:i A');