#s(tz
   (#s(span #s(*date 1987 10 1 0 0 0 19800) 21600 0 1987 "IST")
    #s(span #s(*date 1947 8 15 0 0 0 21516) 19800 0 1947 "LMT")
    #s(span -inf.0 21516 0 -inf.0 "LMT"))
   #s(*zone-span 21600 () "BTT")
   (#s(span #s(*date 1947 8 15 0 0 0 21516) 19800 0 1947 "LMT")
    #s(span -inf.0 21516 0 -inf.0 "LMT")))