tmp

Array
(
    [und] => Array
        (
            [0] => Array
                (
                    [value] => 2016-07-07 00:00:00
                    [timezone] => Europe/Moscow
                    [timezone_db] => Europe/Moscow
                    [date_type] => datetime
                )

        )

)

1. 1467838800
2. 1467838801
3. 1513169615