Online PHP editor | refs for gBtjX

<?php $tz = new DateTimeZone('America/New_York'); $from = new DateTime('2019-06-01T00:00:00', $tz); $from = $from->setTimezone(new DateTimeZone('UTC')); var_dump($from); $to = new DateTime('2019-10-01T00:00:00', $tz); $to = $to->setTimezone(new DateTimeZone('UTC')); var_dump($to); $tz = new DateTimeZone('Asia/Tokyo'); $from = new DateTime('2019-06-01T00:00:00', $tz); $from = $from->setTimezone(new DateTimeZone('UTC')); var_dump($from); $to = new DateTime('2019-10-01T00:00:00', $tz); $to = $to->setTimezone(new DateTimeZone('UTC')); var_dump($to);