https://issues.dlang.org/show_bug.cgi?id=15085
Issue ID: 15085 Summary: std.datetime unittest fail due to missing TZname Product: D Version: D2 Hardware: x86_64 OS: Windows Status: NEW Severity: major Priority: P1 Component: phobos Assignee: nob...@puremagic.com Reporter: r.sagita...@gmx.de The phobos unittests suddenly fail on Windows (8.1) with core.exception.AssertError@std\datetime.d(26918): TZName which is missing: Eastern Standard Time (Mexico) I guess there has been some update from Microsoft that changed the timezone data base, probably https://support.microsoft.com/en-us/kb/3049874 --