$m = new \Moment\Moment(); // default is "now" UTC
echo $m->format(); // e.g. 2012-10-03T10:00:00+0000

$m = new \Moment\Moment('now', 'Europe/Berlin');
echo $m->format(); // e.g. 2012-10-03T12:00:00+0200

$m = new \Moment\Moment('2017-06-06T10:00:00', 'Europe/Berlin');
echo $m->format(); // e.g. 2012-10-03T12:00:00+0200

$m = new \Moment\Moment(1499366585);
echo $m->format(); // e.g. 2017-07-06T18:43:05+0000