Online PHP editor | refs for UvEIm

<?php echo date_default_timezone_get() . PHP_EOL; date_default_timezone_set('UTC'); echo '--' . PHP_EOL; // http://www.timeanddate.com/worldclock/converted.html?iso=20150921T1900&p1=1440&p2=246 $date1 = new DateTime("@1442862000"); var_dump($date1->getTimestamp()); //prints: 1442862000 echo $date1->format(DATE_RFC822 . " e T O"), "\n"; $date1->setTimezone(new DateTimeZone("Asia/Tehran")); var_dump($date1->getTimestamp()); //prints: 1442865600 ??? echo $date1->format(DATE_RFC822 . " e T O"), "\n"; echo '--' . PHP_EOL; // http://www.timeanddate.com/worldclock/converted.html?iso=20150921T2000&p1=1440&p2=246 $date1 = new DateTime("@1442865600"); var_dump($date1->getTimestamp()); //prints: 1442865600 echo $date1->format(DATE_RFC822 . " e T O"), "\n"; $date1->setTimezone(new DateTimeZone("Asia/Tehran")); var_dump($date1->getTimestamp()); //prints: 1442865600 echo $date1->format(DATE_RFC822 . " e T O"), "\n";