[Qt-interest] QDateTime daylight saving parsing time offset

[Atlant Schmidt]

Dan:

> Would it be better to say that it is an offset from UTC ?
>
> One would then subtract the offset from the given time to get UTC.

  Yes, precisely (on both counts).

                            Atlant

-----Original Message-----
From: qt-interest-bounces+aschmidt=dekaresearch.com at qt.nokia.com [mailto:qt-interest-bounces+aschmidt=dekaresearch.com at qt.nokia.com] On Behalf Of Dan White
Sent: Wednesday, March 30, 2011 10:25
To: qt-interest
Subject: Re: [Qt-interest] QDateTime daylight saving parsing time offset

I accept that.

Would it be better to say that it is an offset from UTC ?

One would then subtract the offset from the given time to get UTC.

In the example given, Tue, 29 Mar 2011 09:00:00 +0100 becomes Tue, 29 Mar 2011 08:00:00 UTC

For me, local time is Wed, 30 Mar 2011 10:22:00 -0400 (US Eastern Daylight Time), which would make it Wed, 30 Mar 2011 14:22:00 UTC.

"Sometimes I think the surest sign that intelligent life exists elsewhere in the universe is that none of it has tried to contact us."
Bill Waterson (Calvin & Hobbes)

----- Atlant Schmidt <aschmidt at dekaresearch.com> wrote:
> Dan:
>
> > The "+0100" refers to the first timezone to the east of
> > Greenwich - Central European Time, I believe.
>
>   Isn't t actually referring to a timezone (theoretically
>   located anywhere) that is presently operating one hour
>   *AHEAD* of UTC? It could be the next timezone east of
>   Greenwhich when they are operating on their winter time
>   hours or it could be Greenwhich itself when they are
>   Operating on Summer time.
>
>                            Atlant
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