Collin Funk <collin.funk1@HIDDEN>
to control <at> debbugs.gnu.org.
Full text available.Collin Funk <collin.funk1@HIDDEN>
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From: Collin Funk <collin.funk1@HIDDEN>
To: 41107 <at> debbugs.gnu.org
Subject: Re: bug#41107: date --date '20180325 02:58:00' fails
Date: Mon, 10 Nov 2025 14:35:08 -0800
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Hi Julien,
You wrote:
> We found this very suspect behavior:
>=20
> $ date --date '20180325 02:58:00'
> date: invalid date `20180325 02:58:00'
>=20
> but for the previous day it works...:
>=20
> $ date --date '20180323 02:58:00'
> Fri Mar 23 02:58:00 CET 2018
>=20
> Is it a bug?
>=20
> Adding -u or setting TZ seems a workaround.
>=20
> Tested with version 8.28 on Ubuntu 18.04.4 LTS
> and also with version 8.13 on Debian GNU/Linux 7
This report was from 5 years ago, so I assume you found the answer. If
not, then apologies for the late response.
The output of this command explains the behavior that you see:
$ zdump -v Europe/Paris | grep 2018 | head -n 2
Europe/Paris Sun Mar 25 00:59:59 2018 UT =3D Sun Mar 25 01:59:59 2018 =
CET isdst=3D0 gmtoff=3D3600
Europe/Paris Sun Mar 25 01:00:00 2018 UT =3D Sun Mar 25 03:00:00 2018 =
CEST isdst=3D1 gmtoff=3D7200
=20=20=20=20
So we can see that one second after 01:59:59 on March 25th the time
changes to 03:00:00 instead of 02:00:00 because of daylight savings
time.
The --debug option attempts to make this case a bit more clear, so you
do not need to reference the output of 'zdump':
$ TZ=3DEurope/Paris date --debug --date '20180325 02:58:00'
date: parsed number part: (Y-M-D) 2018-03-25
date: parsed time part: 02:58:00
date: input timezone: TZ=3D"Europe/Paris" environment value
date: using specified time as starting value: '02:58:00'
date: error: invalid date/time value:
date: user provided time: '(Y-M-D) 2018-03-25 02:58:00'
date: normalized time: '(Y-M-D) 2018-03-25 03:58:00'
date: --
date: possible reasons:
date: nonexistent due to daylight-saving time;
date: invalid day/month combination;
date: missing timezone
date: invalid date =E2=80=9820180325 02:58:00=E2=80=99
Thanks,
Collin
bug-coreutils@HIDDEN:bug#41107; Package coreutils.
Full text available.Received: (at submit) by debbugs.gnu.org; 6 May 2020 08:46:31 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed May 06 04:46:31 2020 Received: from localhost ([127.0.0.1]:38478 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1jWFhH-0005CQ-6W for submit <at> debbugs.gnu.org; Wed, 06 May 2020 04:46:31 -0400 Received: from lists.gnu.org ([209.51.188.17]:51218) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <julien.demaria@HIDDEN>) id 1jWF2t-0002uE-4g for submit <at> debbugs.gnu.org; Wed, 06 May 2020 04:04:47 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:34582) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <julien.demaria@HIDDEN>) id 1jWF2t-00025I-04 for bug-coreutils@HIDDEN; Wed, 06 May 2020 04:04:47 -0400 Received: from mx3.acri.fr ([5.252.148.15]:21020 helo=vwiexc030.acri.local) by eggs.gnu.org with esmtps (TLS1.0:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from <julien.demaria@HIDDEN>) id 1jWF2s-0005Jn-BT for bug-coreutils@HIDDEN; Wed, 06 May 2020 04:04:46 -0400 Received: from VWIEXC030.acri.local ([192.168.101.30]) by vwiexc030.acri.local ([192.168.101.30]) with mapi id 14.03.0439.000; Wed, 6 May 2020 09:59:14 +0200 From: Julien Demaria <julien.demaria@HIDDEN> To: "bug-coreutils@HIDDEN" <bug-coreutils@HIDDEN> Subject: date --date '20180325 02:58:00' fails Thread-Topic: date --date '20180325 02:58:00' fails Thread-Index: AdYjfDuC61F86ludQ4mteqmbtAvVYA== Date: Wed, 6 May 2020 07:59:13 +0000 Message-ID: <3B970FB76033264EB34479EC8A365E1104E9387401@HIDDEN> Accept-Language: fr-FR, en-US Content-Language: fr-FR X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [192.168.102.204] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Received-SPF: pass client-ip=5.252.148.15; envelope-from=julien.demaria@HIDDEN; helo=vwiexc030.acri.local X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/06 03:59:14 X-ACL-Warn: Detected OS = Windows 7 or 8 [fuzzy] X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-Spam-Score: -1.4 (-) X-Debbugs-Envelope-To: submit X-Mailman-Approved-At: Wed, 06 May 2020 04:46:21 -0400 X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -2.4 (--) Hi, We found this very suspect behavior: $ date --date '20180325 02:58:00' date: invalid date `20180325 02:58:00' but for the previous day it works...: $ date --date '20180323 02:58:00' Fri Mar 23 02:58:00 CET 2018 Is it a bug? Adding -u or setting TZ seems a workaround. Tested with version 8.28 on Ubuntu 18.04.4 LTS and also with version 8.13 on Debian GNU/Linux 7 Thanks in advance, Julien
Julien Demaria <julien.demaria@HIDDEN>:bug-coreutils@HIDDEN.
Full text available.bug-coreutils@HIDDEN:bug#41107; Package coreutils.
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