#s(tz
   (#s(span #s(*date 1998 4 27 0 0 0 -30600) -28800 0 1998)
    #s(span #s(*date 1901 1 1 0 0 0 -31220) -30600 0 1901)
    #s(span -inf.0 -31220 0 -inf.0))
   #s(*zone-span -28800 () PST)
   (#s(span #s(*date 1901 1 1 0 0 0 -31220) -30600 0 1901)
    #s(span -inf.0 -31220 0 -inf.0)))