Richard B. Gilbert wrote: > Rob wrote: >> Richard B. Gilbert <[email protected]> wrote: >>> Rob wrote: >>>> Richard B. Gilbert <[email protected]> wrote: >>>>> I believe that the O/S vendors supply a file with timezone data. >>>>> If you have support, you can even get updates from the vendor. >>>>> Since I can't afford support (I'm retired and a hobbyist) I have >>>>> to do it by hand. >>>> As Jan Ceuleers also pointed out, the problem is not at all limited >>>> to operating systems. Any device that obtains time using NTP and >>>> wants to display it in local time needs the info. >>>> This could just as well be a digital clock. >>> I have a couple of "radio controlled" digital clocks and a wrist >>> watch that do it automagically. The VLF broadcast from WWVB >>> provides the necessary info. >> >> That cannot be true. It may work for your location, but I'm sure it >> does not cover the general case under discussion. > > How can it not be true? The time broadcast encodes both the time > (standard time) and whether or not DST is in effect. Of course it > doesn't work for those jurisdictions that have chosen to go there own > way as far as DST is concerned.
Only for one country out of hundreds. David _______________________________________________ questions mailing list [email protected] https://lists.ntp.org/mailman/listinfo/questions
