GNU bug report logs - #43759
Emacs Calc date conversion

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Message #8 received at 43759 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Vincent Belaïche <vincent.b.1 <at> hotmail.fr>
Cc: Mattias Engdegård <mattiase <at> acm.org>,
 43759 <at> debbugs.gnu.org
Subject: Re: bug#43759: Emacs Calc date conversion
Date: Fri, 02 Oct 2020 16:22:24 +0200

Vincent Belaïche <vincent.b.1 <at> hotmail.fr> writes:

> I do the following expériment under Emacs CC
>
> ;; Set date format as Unix
> dd U RET
> ;; Enter 1991-01-09T06:00 in Unix format, cf. date -d '1991-01-09T06:00+00'
> '+%s'
> ' <663400800> RET
> ;; Set format as ISO
> dd YYYY-MM-DD HH:mm:SS RET
>
> Then the display is <1991-01-10 06:00>, but I expected the 9th and not
> the 10th of January.

I wondered whether this somehow had also been fixed by Mattias' recent
calc change to business days, but it hasn't -- I'm able to reproduce it
with the current trunk.

This is another off-by-one-day bug, though, so perhaps it's related to
the same change from a few years ago that changed day zero?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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