Bug #70086 [Opn->Dup]: DateTimeZone object doesn't calculate the offset correctly for some timezones

Edit report at https://bugs.php.net/bug.php?id=70086&edit=1 ID: 70086 Updated by: cmb@php.net Reported by: tunderzone at gmail dot com Summary: DateTimeZone object doesn't calculate the offset correctly for some timezones -Status: Open +Status: Duplicate Type: Bug Package: Date/time related PHP Version: 5.6.11 -Assigned To: +Assigned To: cmb Block user comment: N Private report: N New Comment: Duplicate of bug #69916. Previous Comments: ------------------------------------------------------------------------ [2015-07-16 08:57:48] tunderzone at gmail dot com Description: ------------ DateTimeZone object doesn't calculate the offset correctly. php > echo phpversion(); 5.6.11 php > $timezone = new DateTimeZone('EEST'); php > $date = new DateTime('2015-07-16', new DateTimeZone('Europe/Bucharest')); php > echo $date->format('T P'); EEST +03:00 php > $date->setTimezone($timezone); php > echo $date->format('T P'); EEST +02:00 Test script: --------------- <?php $timezone = new DateTimeZone('EEST'); $date = new DateTime('2015-07-16', new DateTimeZone('Europe/Bucharest')); $date->setTimezone($timezone); echo $date->format('T P'); Expected result: ---------------- EEST +03:00 Actual result: -------------- EEST +02:00 ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=70086&edit=1