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[Emacs-bug-tracker] bug#7331: closed (Date command bug)

From: GNU bug Tracking System
Subject: [Emacs-bug-tracker] bug#7331: closed (Date command bug)
Date: Fri, 05 Nov 2010 20:57:02 +0000

Your message dated Fri, 5 Nov 2010 15:00:47 -0600
with message-id <address@hidden>
and subject line Re: bug#7331: Date command bug
has caused the GNU bug report #7331,
regarding Date command bug
to be marked as done.

(If you believe you have received this mail in error, please contact

7331: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=7331
GNU Bug Tracking System
Contact address@hidden with problems
--- Begin Message --- Subject: Date command bug Date: Thu, 4 Nov 2010 19:39:36 -0400 Hi, 
I believe I have come across a small bug in the date command when daylight savings time is in the process of being run.

    date --set "7 NOV 2010"
 -->Sun Nov  7 00:00:01 EDT 2010

    date --date="+1 day"
-->Sun Nov  7 23:00:40 EST 2010

It would appear in Eastern time zone case there is a small 2 hour window of error here whereby the date command has set the zone before it is actually supposed to be set. I have seen this with all time zone shifts. Noticed first last weekend when BST went to GMT.

Could be a known bug.. if so, sorry to trouble you guys.

Best Regards,


--- End Message ---
--- Begin Message --- Subject: Re: bug#7331: Date command bug Date: Fri, 5 Nov 2010 15:00:47 -0600 User-agent: Mutt/1.5.20 (2009-06-14)
Raymond Pete wrote:
> Thanks for the info Bob :-) I figured I missed something here.
> I see running my jobs just after midnight is probably not best.

I like running those types of calculations either at 12 noon or using
UTC.  Then the DST issues are avoided.

I also like using the 'date -R' format since it is RFC standard (used
in email and news) and unambiguous about timezones.  Otherwise I like
using "%F %T %z" for being compact, unambiguous, and sorts nicely.

I will go ahead and close the bug with this email then.

> Appreciate all the work you guys do!

The team enjoys hearing those nice words.  :-)


--- End Message ---

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