[tz] timezone history of Uruguay
Tim Parenti
tim at timtimeonline.com
Tue Feb 20 15:19:29 UTC 2018
(Actually, with this, it turns out that no 1926 timestamps are changing
relative to 2018c, so this updated patch also makes the relevant change to
NEWS.)
--
Tim Parenti
On 20 February 2018 at 10:01, Tim Parenti <tim at timtimeonline.com> wrote:
> Thanks for that, Michael. I had missed that Resolución and didn't think
> to look for it, since it wasn't directly referenced by the Almanaque. The
> original reason for the guesswork there was simply that the 1926 law,
> unlike most of the others, didn't explicitly give a transition time in its
> text or nearby, and the Almanaque's loose "VERANO/INVIERNO" notations
> didn't themselves lend a lot of confidence in the dates given for that era.
>
> I certainly could have been a bit more thorough in looking through the
> Diario for nearby dates. Further proposed patch attached.
>
> Thanks again.
>
> --
> Tim Parenti
>
> On 20 February 2018 at 08:51, Michael Deckers <
> michael.h.deckers at googlemail.com> wrote:
>
>>
>> On 2018-02-16 17:58, Paul Eggert proposed:
>>
>>
>> +# ....... Assume transitions at 24:00 on the specified days until Ley
>>> No.
>>> +# 7919 of 1926-03-05 ended this arrangement, repealing all "laws and
>>> other
>>> +# provisions which oppose" it, resulting immediately in year-round
>>> UT-03:30.
>>> +# (Since we don't know the time at which the change became law, assume
>>> clocks
>>> +# were changed at 24:00 that evening. Almanaque 2018 is a bit
>>> hand-wavey here,
>>> +# anyway.)
>>> +#.......
>>> +# https://www.impo.com.uy/diariooficial/1926/03/10/2
>>> +#.......
>>> +Rule Uruguay 1926 only - Mar 5 24:00 0 -
>>>
>>> The proposed date of the switch, 1926-03-06, would be before the
>> publication
>> of the law, which seems to be unlikely. Anyway, the Almanaque 2018
>> explicitly
>> says that the switch was on 1926-04-01, the date specified by the law
>> of 1923,
>> and so does the Resolución of 1926-03-11 published in
>> [http://www.impo.com.uy/diariooficial/1926/03/18/2].
>> I propose that tzdb follow these sources, rather than make an estimate.
>>
>> Michael Deckers.
>>
>>
>
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