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<?php const DB_DATETIME_FORMAT = 'Y-m-d H:i:s'; $gmtTimezone = new DateTimeZone("UTC"); $Now = DateTime::createFromFormat(DB_DATETIME_FORMAT, 'tomorrow 03:00:00', $gmtTimezone); print_r($Now, true); $Duration = new DateInterval('PT1M'); // 1minute $Now->add( $Duration ); print_r($Now, true); $Duration = new DateInterval('P1D'); // 1Day $Now->add( $Duration ); print_r($Now, true); // 2014-05-12

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