--- Time#rfc2822
--- Time#rfc822
    RFC:2822Ƥdate-timeȤɽʲηʸ֤ޤ:

      day-of-week, DD month-name CCYY hh:mm:ss zone

     zone [+-]hhmm Ǥ

    selfUTC timeξ硢zone +0000 ˤʤޤ

