#s(tz
   (#s(span -inf.0 25200 0 -inf.0 "GMT-7"))
   #s(*zone-span 25200 () "GMT-7")
   (#s(span #s(*date 2039 12 1 0 0 0 25200) 25200 0 2039 "GMT-7")
    #s(span -inf.0 25200 0 -inf.0 "GMT-7")))