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Re: [Tzdist] [tzdist] #32 (service): managing historical data

Tobias Conradi <tc@tobiasconradi.com> Fri, 24 October 2014 19:05 UTC

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Date: Fri, 24 Oct 2014 21:05:51 +0200
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From: Tobias Conradi <tc@tobiasconradi.com>
To: Lester Caine <lester@lsces.co.uk>
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Cc: Time Zone Data Distribution Service <tzdist@ietf.org>, Paul Eggert <eggert@cs.ucla.edu>
Subject: Re: [Tzdist] [tzdist] #32 (service): managing historical data
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On Fri, Oct 24, 2014 at 8:57 PM, Lester Caine <lester@lsces.co.uk> wrote:
> On 24/10/14 19:02, Paul Eggert wrote:
>> Lester Caine wrote:
>>> I would probably view this as optional, EXCEPT that if one takes the
>>> situation of a simple device which is also creating a log of it's data
>>> now correctly using UTC timestamps, it also needs to log any change in
>>> version of data set used while creating that log.
>>
>> That's not needed in the simple devices that I help maintain.  They log
>> UTC.
>>
>> If devices need to put local time into a log for some reason, then they
>> can log the UTC offset.  That is simpler and more reliable than logging
>> the tz version number would be.
>
> You are right.
No he is not. If the "need to put local time into a log for some
reason", then it does not mean that "they can log UTC offset".



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