From mboxrd@z Thu Jan  1 00:00:00 1970
From: Kay Sievers <kay.sievers@vrfy.org>
Subject: Re: Trying to use AUTHOR_DATE
Date: Sat, 30 Apr 2005 14:08:40 +0200
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Cc: Edgar Toernig <froese@gmx.de>, Linus Torvalds <torvalds@osdl.org>,
	"H. Peter Anvin" <hpa@zytor.com>,
	"Luck, Tony" <tony.luck@intel.com>, git@vger.kernel.org
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To: David Woodhouse <dwmw2@infradead.org>
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On Sat, 2005-04-30 at 12:13 +0100, David Woodhouse wrote:
> On Sat, 2005-04-30 at 12:53 +0200, Edgar Toernig wrote:
> > +       tm = localtime(&now); /* get timezone and tm_isdst */
> > +       offset = -timezone / 60;
> > +       if (tm->tm_isdst > 0)
> > +               offset += 60;
> 
> Some locales have DST offsets which aren't 60 minutes, don't they?

Yes, some have half-hour offsets:
  http://www.timeanddate.com/library/abbreviations/timezones/au/nft.html

Kay