- var_dump: documentation ( source)
- date_default_timezone_get: documentation ( source)
<?php
$currentDate = DateTime::createFromFormat('Y-m-d H:i:s', "2013-11-17 16:54:00", new DateTimeZone('UTC'));
$currentDate->setTimezone(new DateTimeZone(date_default_timezone_get()));
var_dump($currentDate->format('Y-m-d H:i:s'));