[tz] So, about those LMT offsets
Clive D.W. Feather
clive at davros.org
Sun May 23 21:43:46 UTC 2021
Philip Paeps via tz said:
> As long as we're considering decreasing the historical fidelity of
> assorted pre-1970 timestamps, I'd like to make a modest suggestion:
> forget all the "LMT" offsets for years before standardized timezones
> prevailed, and just assume that the oldest documented standard-time
> offset in each zone goes back indefinitely far.
>
> I would support this, provided we keep the LMT offsets in backzone so
> that (more or less) casual users wouldn't notice the difference.
I would actually say that, if we're going to do something like that, there
should be a way to put a "not valid before" marker into the zone data and
have the functions return either an error or a clearly nonsense answer.
--
Clive D.W. Feather | If you lie to the compiler,
Email: clive at davros.org | it will get its revenge.
Web: http://www.davros.org | - Henry Spencer
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