[tz] EST/EDT vs AEST/AEDT in AQ [SEC=UNCLASSIFIED]

Tobias Conradi mail.2012 at tobiasconradi.com
Fri Apr 12 14:42:28 UTC 2013


On Fri, Apr 12, 2013 at 2:38 PM,  <random832 at fastmail.us> wrote:
> On Fri, Apr 12, 2013, at 4:45, Tobias Conradi wrote:
>> > Your own table shows that the abbreviations letters can mean different things.
>> D for %s never means anything else than 1:00 saving. HD and HS for %s
>> always mean less than 1:00 saving and DD and DS always mean 2:00
>> saving.
>>
>> So, you introduce a new meaning for D for %s.
>
> There is no rule that a specific string always means a specific time
> offset.
You mean y written one? I can write one. And even without a written
one, the implementation shows that D in %s is never 1:00 saving.

> The rule is supposed to be to use what is used locally.
Which rule? Why then is WIT meaning Western Indonesian Time? Why is
there SET for Sweden?

> For
> example, New Zealand before
> 1945 uses NZMT/NZST for 0:30 saving.
Again, no D for non-1:00 saving.

> European rules use "M" for "midsummer" 2:00 saving time of the 1940s
> even though other rules use it for "mean" time.
As documented http://anna.info/wiki/IANA_time_zone_database#Abbreviations

> You are inferring a systematism where non exists.
The facts have been presented. If you don't see the system behind the
facts - never use D in %s to mean non-1:00 saving, then I cannot help
you.

--
Tobias Conradi
Rheinsberger Str. 18
10115 Berlin
Germany

http://tobiasconradi.com


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