Online PHP editor | refs for K2VhP

@ 2015-12-08T13:55:16Z

<?php

$tz   = new DateTimeZone('-09:00');
$dbTz = new DateTimeZone('+00:00');
$date = new DateTimeImmutable('2015-09-01+00:00', $tz);
var_dump($date);

$date = $date->setTimezone($tz);
var_dump($date);

$date = $date->setTimezone($dbTz);
var_dump($date);