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<?php $d = new \DateTime('2016-03-31T00:00:04.917180', new \DateTimeZone('America/New_York')); $d->setTimezone(new \DateTimeZone('UTC')); echo $d->format('Y-m-d H:i:s') . ' ' . $d->getTimestamp(); var_dump(date('y-m-d H:i:s', substr(1459382404753609, 0, strlen(1459396804))));

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