[ntp:questions] Can or should the NTP protocol eventually serve timezone data?

Richard B. Gilbert rgilbert88 at comcast.net
Thu Jun 18 12:10:32 UTC 2009

David J Taylor wrote:
> Richard B. Gilbert wrote:
>> Rob wrote:
>>> Richard B. Gilbert <rgilbert88 at comcast.net> wrote:
>>>> Rob wrote:
>>>>> Richard B. Gilbert <rgilbert88 at comcast.net> 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

Only ONE is important to me these days!

More information about the questions mailing list