Bug #81504 [Asn->Csd]: Incorrect timezone transition details for Europe/Amsterdam

From: Date: Tue, 05 Oct 2021 14:23:26 +0000
Subject: Bug #81504 [Asn->Csd]: Incorrect timezone transition details for Europe/Amsterdam
References: 1  Groups: php.bugs 
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Edit report at https://bugs.php.net/bug.php?id=81504&edit=1

 ID:                 81504
 Updated by:         git@php.net
 Reported by:        salathe@php.net
 Summary:            Incorrect timezone transition details for
                     Europe/Amsterdam
-Status:             Assigned
+Status:             Closed
 Type:               Bug
 Package:            Date/time related
 PHP Version:        8.1.0RC3
 Assigned To:        derick
 Block user comment: N
 Private report:     N

 New Comment:

Automatic comment on behalf of derickr
Revision: https://github.com/php/php-src/commit/68b874d10d9ff2fc0c3915147c286009e2cfbe34
Log: Fixed bug #81504: Incorrect timezone transition details for POSIX data


Previous Comments:
------------------------------------------------------------------------
[2021-10-05 10:06:47] salathe@php.net

Description:
------------
In PHP 8.1, the offsets and abbreviations for timezone transitions as of 1996-10-27 for
Europe/Amsterdam are incorrect.

Test script:
---------------
<?php
$tz = new DateTimeZone('Europe/Amsterdam');
foreach ($tz->getTransitions(strtotime("1996-01-01"),
strtotime("1997-12-31")) as $tr) {
    echo "{$tr['time']} {$tr['offset']} {$tr['abbr']}\n";
}
?>

Expected result:
----------------
1995-12-31T23:00:00+0000 3600 CET
1996-03-31T01:00:00+0000 7200 CEST
1996-10-27T01:00:00+0000 3600 CET
1997-03-30T01:00:00+0000 7200 CEST
1997-10-26T01:00:00+0000 3600 CET

Actual result:
--------------
1995-12-31T23:00:00+0000 3600 CET
1996-03-31T01:00:00+0000 7200 CEST
1996-10-27T01:00:00+0000 4772 NST
1997-03-30T01:00:00+0000 1172 AMT
1997-10-26T01:00:00+0000 4772 NST


------------------------------------------------------------------------



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Edit this bug report at https://bugs.php.net/bug.php?id=81504&edit=1

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