#s(tz
   (#s(span #s(*date 1971 3 26 0 0 0 21600) 21600 0 1971 "DACT")
    #s(span #s(*date 1951 9 30 0 0 0 23400) 21600 0 1951 "BURT")
    #s(span #s(*date 1942 9 1 0 0 0 19800) 23400 0 1942 "IST")
    #s(span #s(*date 1942 5 15 0 0 0 23400) 19800 0 1942 "BURT")
    #s(span #s(*date 1941 10 1 0 0 0 21200) 23400 0 1941 "HMT")
    #s(span #s(*date 1890 1 1 0 0 0 21700) 21200 0 1890 "LMT")
    #s(span -inf.0 21700 0 -inf.0 "LMT"))
   #s(*zone-span 21600 () "BDT")
   (#s(span #s(*date 1890 1 1 0 0 0 21700) 21200 0 1890 "LMT")
    #s(span -inf.0 21700 0 -inf.0 "LMT")))