On Fri, 17 Jun 2005, Flavio S. Glock wrote:
Rui Fernandes wrote:
Is there any connection between the rules and the last observance in the
cities's files? The rules, I understand. Can I use them for future values
Dave?
You can only be sure that rules work for times in the past.
The rules can be changed at any time in the future.
Well, DateTime::TimeZone will apply these rules to the future, and it's
not unreasonable to think that they'll be good for the next few years in
many areas. OTOH, if you were to store the generated data in a DBMS for
many years in the future you'd be making a mistake.
This is one of many reasons to use UTC as the canonical data source and
just use time zones for presentation.
-dave
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