Bug #73909 [NEW]: Instanbul local time is incorrect

From: pgabardo at graphiq dot com Operating system: MacOS PHP version: 7.1.0 Package: Date/time related Bug Type: Bug Bug description:Instanbul local time is incorrect Description: ------------ I have a function to compute the local time (relative to California) of any given timezone (in AREA/REGION format) which uses date_default_timezone_set(). The result for 'Europe/Istanbul' is one hour behind the actual local time. Test script: --------------- date_default_timezone_set('Europe/Istanbul'); echo date("Y-m-d\TH:i:s"); Expected result: ---------------- 2017-01-10T21:07:24+02:00 Actual result: -------------- 2017-01-10T20:07:24+02:00 -- Edit bug report at https://bugs.php.net/bug.php?id=73909&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=73909&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=73909&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=73909&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=73909&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=73909&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=73909&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=73909&r=needscript Try newer version: https://bugs.php.net/fix.php?id=73909&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=73909&r=support Expected behavior: https://bugs.php.net/fix.php?id=73909&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=73909&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=73909&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=73909&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=73909&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=73909&r=dst IIS Stability: https://bugs.php.net/fix.php?id=73909&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=73909&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=73909&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=73909&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=73909&r=mysqlcfg