#s(tz
   (#s(span -inf.0 14400 0 -inf.0 "GMT-4"))
   #s(*zone-span 14400 () "GMT-4")
   (#s(span #s(*date 2039 12 1 0 0 0 14400) 14400 0 2039 "GMT-4")
    #s(span -inf.0 14400 0 -inf.0 "GMT-4")))