--- Time.local(year[, mon[, day[, hour[, min[, sec[, usec]]]]]])
--- Time.local(sec, min, hour, mday, mon, year, wday, yday, isdst, zone)
--- Time.mktime(year[, mon[, day[, hour[, min[, sec[, usec]]]]]])
--- Time.mktime(sec, min, hour, mday, mon, year, wday, yday, isdst, zone)

    ǻꤷ Time ֥Ȥ֤ޤΰ
     Time.gm ƱǤ

