#s(tz
   (#s(span #s(*date 2000 12 3 1 0 0 -18000) -14400 0 2000 "E~aT")
    #s(span #s(*date 2000 10 28 2 0 0 -14400) -18000 0 2000 "EST")
    #s(span #s(*date 2000 4 1 2 0 0 -18000) -18000 3600 2000 "EDT")
    #s(span #s(*date 2000 10 29 2 0 0 -14400) -18000 0 2000 "AST")
    #s(span #s(*date 1974 10 27 0 0 0 -18000) -14400 0 1974 "E~aT")
    #s(span #s(*date 1974 1 21 0 0 0 -16200) -18000 0 1974 "EST")
    #s(span #s(*date 1973 10 28 0 0 0 -18000) -18000 1800 1973 "EHDT")
    #s(span #s(*date 1973 1 21 0 0 0 -16200) -18000 0 1973 "EST")
    #s(span #s(*date 1972 10 28 0 0 0 -18000) -18000 1800 1972 "EHDT")
    #s(span #s(*date 1972 1 21 0 0 0 -16200) -18000 0 1972 "EST")
    #s(span #s(*date 1971 10 31 0 0 0 -18000) -18000 1800 1971 "EHDT")
    #s(span #s(*date 1971 1 20 0 0 0 -16200) -18000 0 1971 "EST")
    #s(span #s(*date 1970 10 25 0 0 0 -18000) -18000 1800 1970 "EHDT")
    #s(span #s(*date 1970 2 21 0 0 0 -16200) -18000 0 1970 "EST")
    #s(span #s(*date 1969 10 26 0 0 0 -18000) -18000 1800 1969 "EHDT")
    #s(span #s(*date 1967 2 28 0 0 0 -14400) -18000 0 1967 "EST")
    #s(span #s(*date 1966 10 30 0 0 0 -18000) -18000 3600 1966 "EDT")
    #s(span #s(*date 1933 4 1 12 0 0 -16800) -18000 0 1933 "SDMT")
    #s(span #s(*date 1890 1 1 0 0 0 -16776) -16800 0 1890 "LMT")
    #s(span -inf.0 -16776 0 -inf.0 "LMT"))
   #s(*zone-span -14400 () "AST")
   (#s(span #s(*date 1890 1 1 0 0 0 -16776) -16800 0 1890 "LMT")
    #s(span -inf.0 -16776 0 -inf.0 "LMT")))