[tz] Ethiopia local time

[Phake Nick]

Wait a moment, I thought the term "midnight" usually refer to middle of the
night instead of the 00 hours?

2018-10-6 06:52,Tim Parenti <tim at timtimeonline.com> wrote:

> Sure, but the notion of "wall-clock midnight" under year-round +6 DST is
> no more or less tied to actual solar midnight than for any other zone as
> they exist today.  As Steve puts it, hour 00 just represents the hour at
> which the calendar date changes.
>
> In your extreme example, it may seem odd to say it's midnight when the sun
> is still setting — and I'm certainly not suggesting Ethiopians would
> actually do anything remotely similar  But these discrepancies don't stop
> folks from referring to 00:00 local time as "midnight" in most of the cases
> we cover, even if it… well… isn't.
>
> Moreover, we already make explicit this convention (tying hour 00 to the
> Western cultural notion of "midnight") elsewhere:
> https://github.com/eggert/tz/blob/b709eb84eaa48354186d4a11c86395e399f19c12/zic.8#L281-L282
>
> Again, I won't be bothered if it's left out, but I also haven't really
> seen any reason against such a clarification.  Perhaps my proposed wording
> is not the best.
>
> --
> Tim Parenti
>
>
> On Thu, 4 Oct 2018 at 23:49, Phake Nick <c933103 at gmail.com> wrote:
>
>> That's not really the case. If some country decided to actually implement
>> a year-round +6 DST, then that would also be included in tz database
>>
>>  2018-10-5 07:48, Tim Parenti <tim at timtimeonline.com> wrote:
>>
>>> For tz's purposes, though (the sentence begins "The tz database models
>>> time using…"), those are synonymous.  Of course, this may not be the case
>>> if you're using a workaround like the one suggested for Ethiopia, but the
>>> goal is to further clarify that that's out of our scope.
>>>
>>> --
>>> Tim Parenti
>>>
>>>
>>> On Thu, 4 Oct 2018 at 19:14, Steve Allen <sla at ucolick.org> wrote:
>>>
>>>> On Thu 2018-10-04T18:13:56-0400 Tim Parenti hath writ:
>>>> > To bring this back, then, to a recognition of the potential
>>>> differences in
>>>> > how the hours are counted, we should probably expand the text in
>>>> theory
>>>> > slightly to specify that tz counts hours under the assumption that 00
>>>> > represents midnight.
>>>>
>>>> I think that 00 represents the hour at which the calendar day and date
>>>> change.  That may not happen in the middle of the night.
>>>>
>>>> --
>>>> Steve Allen                    <sla at ucolick.org>              WGS-84
>>>> (GPS)
>>>> UCO/Lick Observatory--ISB 260  Natural Sciences II, Room 165  Lat
>>>> +36.99855
>>>> 1156 High Street               Voice: +1 831 459 3046         Lng
>>>> -122.06015
>>>> Santa Cruz, CA 95064           http://www.ucolick.org/~sla/   Hgt +250
>>>> m
>>>>
>>>
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