Yes, WWV does encode the DST bit. See http://tf.nist.gov/stations/wwvtimecode.htm for more info on the format. Mark AD5SS On 4/3/06, rrennard at charter.net <rrennard at charter.net> wrote: > Did WWV ever send any DST coding? I'll bet not. Setting DST is not rocket science, just a simple algorithm. >