[tz] tzdb timezone names/identifiers and links

Martin Burnicki martin.burnicki at meinberg.de
Thu Feb 28 10:22:38 UTC 2019


Guy Harris wrote:
> On Feb 26, 2019, at 10:17 AM, Tony Finch <dot at dotat.at> wrote:
> 
>> Guy Harris <guy at alum.mit.edu> wrote:
>>
>>> And I'm not even convinced that users want to care about tzdb regions;
>>> those regions don't completely correspond to, for example, what people
>>> call "time zones" in the US, so "Mountain time" or "Mountain time zone"
>>> doesn't correspond to the America/Denver tzdb region - Arizona is in the
>>> "Mountain" time zone, but it hasn't done standard/summar time switching
>>> since 1968, unlike other parts of that time zone.
>>>
>>> What I suspect users want is to have clock time work appropriately for
>>> their location; if doing so doesn't involve knowing or caring about the
>>> details of the tzdb, so much the better.
>>
>> Up to a point...
>>
>> A common cause of significant confusion is when people are trying to
>> organize meetings between people in multiple time zones. I think the
>> confusion is due to poor calendaring data models which make it difficult
>> to provide a user interface that illustrates what is going on.
> 
> 	...
> 
> None of which appears to require that the *end users* - including the meeting organizer(s) - know or care about the details of the tzdb.  They may need to know that scheduling the meeting for thus-and-such a time in London means scheduling it for 03:00 at some other location, so, if they schedule for that time, somebody's going to have to wake up early or go to sleep late, but that's what the software would do.
> 

Anyway, it would be a nice feature to let the user see what was
automatically selected, and if this is plausible.

Martin
-- 
Martin Burnicki

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