http://bugs.winehq.org/show_bug.cgi?id=28560
--- Comment #17 from Dmitry Timoshkov dmitry@baikal.ru 2011-10-04 23:47:59 CDT --- Fixing time zone in the Wine registry won't help (but feel free to send a patch to update it), so I'm not sure how to fix that properly, and it should be "fixed" on its own once official daylight saving period ends.