#s(tz
   (#s(span -inf.0 -43200 0 -inf.0 "GMT+12"))
   #s(*zone-span -43200 () "GMT+12")
   (#s(span #s(*date 2039 12 1 0 0 0 -43200) -43200 0 2039 "GMT+12")
    #s(span -inf.0 -43200 0 -inf.0 "GMT+12")))