[windev] Calculating DST switch moments of many future years

Serge Wautier serge at wautier.net
Thu Mar 26 21:40:22 GMT 2009


Windows correctly deals with such issues: Arizona has its own time zone.


Serge.
http://www.apptranslator.com




> -----Original Message-----
> From: windev-bounces at windev.org [mailto:windev-bounces at windev.org] On
> Behalf Of Jeremy H. Griffith
> Sent: jeudi 26 mars 2009 21:26
> To: windev at windev.org
> Cc: Goran Pusic
> Subject: Re: [windev] Calculating DST switch moments of many future
> years
> 
> On Thu, 26 Mar 2009 02:28:43 -0700 (PDT), Goran Pusic
> <goran_pusic at yahoo.com> wrote:
> 
> >I need to calculate UTC moment for DST switches for a given time zone
> 
> You have a problem right there.  Not all locations in a given
> time zone make the switch at all.  For example, in the US,
> Arizona in the Mountain tz doesn't.  So you may also need to
> account for country, state, province, and even locality.
> 
> -- Jeremy H. Griffith, at Omni Systems Inc.
>   <jeremy at omsys.com>  http://www.omsys.com/
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