#s(tz
   (#s(span #s(*date 1979 5 1 0 0 0 41400) 43200 0 1979 "NRT")
    #s(span #s(*date 1944 8 15 0 0 0 32400) 41400 0 1944 "JST")
    #s(span #s(*date 1942 3 15 0 0 0 41400) 32400 0 1942 "NRT")
    #s(span #s(*date 1921 1 15 0 0 0 40060) 41400 0 1921 "LMT")
    #s(span -inf.0 40060 0 -inf.0 "LMT"))
   #s(*zone-span 43200 () "NRT")
   (#s(span #s(*date 1921 1 15 0 0 0 40060) 41400 0 1921 "LMT")
    #s(span -inf.0 40060 0 -inf.0 "LMT")))