I have compile the php upstream source code from : https://github.com/php/php-src
# php --version PHP 7.3.0-dev (cli) (built: Nov 30 2017 14:52:31) ( NTS ) Copyright (c) 1997-2017 The PHP Group Zend Engine v3.3.0-dev, Copyright (c) 1998-2017 Zend Technologies # date Thu Nov 30 12:23:30 -03 2017 #php php_tz.php UTC I'll do a bisection, and will update the bug. - Eric -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1734967 Title: tzdata info for WGT/WGST broken To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/php5/+bug/1734967/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs