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From: Ignacio Casso <ignaciocasso@hotmail.com>
To: emacs-orgmode@gnu.org
Subject: [BUG] org-agenda thinks timestamps after 23:00 correspond to the next day [9.5.2 (release_9.5.2-25-gaf6f12 @ /home/ignacio/repos/emacs/lisp/org/)]
Date: Tue, 29 Mar 2022 15:09:10 +0200	[thread overview]
Message-ID: <PAXPR06MB7760238F410CBE3203F78EE0C61E9@PAXPR06MB7760.eurprd06.prod.outlook.com> (raw)

Hello,

After last Saturday's hour change in Spain, org-agenda thinks that
timestamps after 23:00 correspond to the next day in Emacs 29. I'm not
actually sure if that is the reason, since I usually use Emacs 27, but I
guess it must be that if I have found out three days after the hour
change.

I have tried to track down the problem, and it doesn't seem to be the
fault of any org-mode code change. The problem is that
(org-time-string-to-time timestamp), defined as (encode-time
(org-parse-time-string timestamp)), returns different things in Emacs 27
and Emacs 29.

Let's consider the timestamp "<2022-03-29 mar 23:00>" as an example:

1) (org-parse-time-string "<2022-03-29 mar 23:00>") returns (0 0 23 29 3
2022 nil nil nil).

2) (encode-time '(0 0 23 29 3 2022 nil nil nil)) returns '(25155 29520)
in Emacs 27, but (25155 33120) in Emacs 29

3.1) (time-to-days '(25155 29520)) returns 738243

3.2) (time-to-days '(25155 33120)) returns 738244

4) (org-today) returns 738243

Therefore, org-agenda thinks that "<2022-03-29 mar 23:00>" is today in
Emacs 27, but tomorrow in Emacs 29.

`encode-time' is defined in C, and is probably system dependent, so this
is probably not an org-mode bug. But maybe org-mode code could try to be
smart about this? I don't know if it's even possible.

And if this should not be fixed in org-mode, do you know were it should?
It could be an Emacs bug? Or maybe the problem is in my system?

Regards,

--Ignacio


Emacs  : GNU Emacs 29.0.50 (build 19, x86_64-pc-linux-gnu, GTK+ Version 3.24.20, cairo version 1.16.0)
 of 2022-03-29
Package: Org mode version 9.5.2 (release_9.5.2-25-gaf6f12 @ /home/ignacio/repos/emacs/lisp/org/)


             reply	other threads:[~2022-03-29 14:28 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-29 13:09 Ignacio Casso [this message]
2022-03-30  7:13 ` Ignacio Casso
2022-03-30  9:48   ` [BUG] org-agenda thinks timestamps after 23:00 correspond to the next day Max Nikulin
2022-03-30 10:17     ` Ignacio Casso
2022-03-31 12:38 ` [BUG] org-agenda thinks timestamps after 23:00 correspond to the next day [9.5.2 (release_9.5.2-25-gaf6f12 @ /home/ignacio/repos/emacs/lisp/org/)] Max Nikulin
2022-03-31 14:11   ` Ignacio Casso
2022-03-31 16:57     ` Max Nikulin
2022-03-31 21:37       ` Tim Cross
2022-04-05  4:20       ` Kyle Meyer
2022-04-22 15:47         ` Max Nikulin
2022-04-23  7:20           ` Ignacio Casso
2022-04-23  8:23             ` Max Nikulin

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