Test case for Russia abandoning DST in June of 2011, timezone for the test is "Europe/Moscow":
Incorrect result with 2011g showing active DST transitions for Russia in 2011 for both March and October: $ zdump -v Europe/Moscow | grep 2011 Europe/Moscow Sat Mar 26 22:59:59 2011 UTC = Sun Mar 27 01:59:59 2011 MSK isdst=0 gmtoff=10800 Europe/Moscow Sat Mar 26 23:00:00 2011 UTC = Sun Mar 27 03:00:00 2011 MSD isdst=1 gmtoff=14400 Europe/Moscow Sat Oct 29 22:59:59 2011 UTC = Sun Oct 30 02:59:59 2011 MSD isdst=1 gmtoff=14400 Europe/Moscow Sat Oct 29 23:00:00 2011 UTC = Sun Oct 30 02:00:00 2011 MSK isdst=0 gmtoff=10800 Correct result with 2011h showing the October transition has been removed (note that the March transition remains for historical purposes): $ zdump -v Europe/Moscow | grep 2011 Europe/Moscow Sat Mar 26 22:59:59 2011 UTC = Sun Mar 27 01:59:59 2011 MSK isdst=0 gmtoff=10800 Europe/Moscow Sat Mar 26 23:00:00 2011 UTC = Sun Mar 27 03:00:00 2011 MSK isdst=0 gmtoff=14400 And checking next year (2012) with 2011h we see that there are no transitions at all: $ zdump -v Europe/Moscow | grep 2012 (no result) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/802778 Title: 2011h available To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/tzdata/+bug/802778/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
