#s(tz
   (#s(span #s(*date 1983 11 30 0 0 0 -39600) -39600 0 1983 "BST")
    #s(span #s(*date 1967 4 1 0 0 0 -39600) -39600 0 1967 "NST")
    #s(span #s(*date 1956 9 2 0 0 0 -36000) -39600 0 1956 "NDT")
    #s(span #s(*date 1956 6 3 0 0 0 -39600) -39600 3600 1956 "NST")
    #s(span #s(*date 1901 1 1 0 0 0 -42568) -39600 0 1901 "LMT")
    #s(span -inf.0 -42568 0 -inf.0 "LMT"))
   #s(*zone-span -39600 () "SST")
   (#s(span #s(*date 1901 1 1 0 0 0 -42568) -39600 0 1901 "LMT")
    #s(span -inf.0 -42568 0 -inf.0 "LMT")))