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<?php $dateUs = new \DateTimeImmutable('2015-10-20 00:00', new \DateTimeZone('America/New_York')); $dateEu = new \DateTimeImmutable('2015-10-20 00:00', new \DateTimeZone('Europe/Prague')); var_dump($dateUs->format('Y-m-d G:i:s') === $dateEu->format('Y-m-d G:i:s'));
Output for git.master, git.master_jit, rfc.property-hooks
bool(true)

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