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<?php echo date_default_timezone_get() . PHP_EOL; date_default_timezone_set('UTC'); $date1 = new DateTime("@1442862000"); // Sun Oct 28 2012 02:00:00 GMT+2 (DST) var_dump($date1->getTimestamp()); //prints: 1351382400 echo $date1->format(DATE_RFC822 . " e T O"), "\n"; $date1->setTimezone(new DateTimeZone("Asia/Tehran")); var_dump($date1->getTimestamp()); //prints: 1351386000 echo $date1->format(DATE_RFC822 . " e T O"), "\n";

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