GNU bug report logs - #43828
invalid date converting from UTC, near DST

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Package: coreutils;

Reported by: "Martin Fido" <mart <at> fidolab.org>

Date: Tue, 6 Oct 2020 14:11:03 UTC

Severity: normal

Done: Paul Eggert <eggert <at> cs.ucla.edu>

Bug is archived. No further changes may be made.

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From: "Martin Fido" <mart <at> fidolab.org>
To: 43828 <at> debbugs.gnu.org
Subject: bug#43828: invalid date converting from UTC, near DST
Date: Tue, 06 Oct 2020 22:24:03 +1100

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Hi,

I seem to have found a bug in the date utility, converting from UTC to Sydney time. It returns invalid date for what should be perfectly valid:

    $ TZ='Australia/Sydney' date -d '2020-10-04T02:00:00Z'
    date: invalid date ‘2020-10-04T02:00:00Z’

    $ TZ='Australia/Sydney' date -d '2020-10-04T02:59:59Z'
    date: invalid date ‘2020-10-04T02:59:59Z’

Note DST in Sydney changed 10 hours earlier:

    $ TZ='Australia/Sydney' date -d '2020-10-03T15:59:59Z'
    Sunday 4 October  01:59:59 AEST 2020

    $ TZ='Australia/Sydney' date -d '2020-10-03T16:00:00Z'
    Sunday 4 October  03:00:00 AEDT 2020

I have version 8.25:

    $ date --version
    date (GNU coreutils) 8.25
    Copyright (C) 2016 Free Software Foundation, Inc.
    License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
    This is free software: you are free to change and redistribute it.
    There is NO WARRANTY, to the extent permitted by law.

    Written by David MacKenzie.

Thanks,

Martin.
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This bug report was last modified 4 years and 204 days ago.

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