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From: reinkor <reinkor@gmail.com>
Subject: Re: Newbie Q: How to program in UTC (time/calendar) ?
Date: Tue, 24 Mar 2009 03:55:58 -0700 (PDT)
Date: 2009-03-24T03:55:58-07:00	[thread overview]
Message-ID: <e22889da-b503-41bd-b1f2-08786cfb81b2@w34g2000yqm.googlegroups.com> (raw)
In-Reply-To: e7bc1f3b-3358-4251-b93f-227a29b63982@j8g2000yql.googlegroups.com

On 24 Mar, 11:07, Martin <martin.do...@btopenworld.com> wrote:
> On 24 Mar, 08:51, reinkor <rein...@gmail.com> wrote:
>
>
>
>
>
> > What is the "natural"/best way to make an Ada program
> > treat time/calendar data in UTC ?  The quetion is about
> > treating old measurements/data tagged with UTC time.
>
> > I use
>
> >   Offset : Constant Time_Offset := UTC_Time_Offset;
>
> > and include "Time_Zone=>Offset" in calendar routines
> > (for example in the functions Time_Of, Split, Value
> > within  the packages Ada.Calendar.Formatting and
> > Ada.Calendar.Time_Zones).
>
> > I find this a but "artificial". How should one do it?
>
> > reinert
>
> Dmitry raises some issue which I'm sure the ARG are looking at but you
> _might_ be perfectly ok if all you're doing reading log files, etc and
> not actually trying to combine this with a clock your program is
> reading and expecting them to tie together with the time on your wrist
> watch. And if your log didn't come from a run over summer-time
> changes, leap seconds etc on an OS that actually dealt with such
> things.
>
> Cheers
> -- Martin

So you say that if I make sure nobody runs my program code
on an advanced computer over summer-time changes, leap seconds etc
- my program may go correct ?

reinert




  reply	other threads:[~2009-03-24 10:55 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-24  8:51 Newbie Q: How to program in UTC (time/calendar) ? reinkor
2009-03-24  9:18 ` Dmitry A. Kazakov
2009-03-24 10:07 ` Martin
2009-03-24 10:55   ` reinkor [this message]
2009-03-24 12:49     ` Martin
2009-03-24 18:53       ` Dirk Heinrichs
2009-03-24 23:59         ` Martin
2009-03-25 10:21           ` reinkor
2009-03-25 15:28             ` tmoran
2009-03-25 21:55               ` sjw
2009-03-26  1:38                 ` tmoran
2009-03-26 20:58                   ` sjw
2009-03-27 12:52                     ` reinkor
2009-03-27 16:58                       ` Jeffrey R. Carter
2009-03-30 11:27                         ` reinkor
2009-03-30 16:47                           ` Jeffrey R. Carter
2009-03-30 12:37                         ` reinkor
2009-03-30 13:45                           ` John B. Matthews
2009-03-30 16:52                           ` Jeffrey R. Carter
2009-03-30 19:34                             ` reinkor
2009-03-30 19:44                             ` reinkor
2009-04-04  2:22                     ` Brian Gaffney
2009-03-24 11:29 ` Jacob Sparre Andersen
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