Bug #60236 [Asn]: TLA timezone dates are not converted properly from timestamp

Edit report at https://bugs.php.net/bug.php?id=60236&edit=1 ID: 60236 Updated by: pajoye@php.net Reported by: stas@php.net Summary: TLA timezone dates are not converted properly from timestamp Status: Assigned Type: Bug Package: Date/time related Operating System: * PHP Version: 5.4.0beta2 Assigned To: derick Block user comment: N Private report: N New Comment: reported at http://bugs.icu-project.org/trac/ticket/8937 Previous Comments: ------------------------------------------------------------------------ [2011-11-07 18:10:33] stas@php.net Description: ------------ If you convert a date with TLA timezone (like EDT) to timestamp, and then convert it back from timestamp, resulting date is off by an hour. See example below. Test script: --------------- <?php $t = new DateTime('2010-07-06 18:38:28 EDT'); $ts = $t->format('U'); var_dump($ts); $t->setTimestamp($ts); var_dump($t); Expected result: ---------------- string(10) "1278455908" object(DateTime)#1 (3) { ["date"]=> string(19) "2010-07-06 18:38:28" ["timezone_type"]=> int(2) ["timezone"]=> string(3) "EDT" } Actual result: -------------- string(10) "1278455908" object(DateTime)#1 (3) { ["date"]=> string(19) "2010-07-06 17:38:28" ["timezone_type"]=> int(2) ["timezone"]=> string(3) "EDT" } ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=60236&edit=1