The following appeared in Red Hat bugzilla[1] (edited):

$ zdump -v /usr/share/zoneinfo/Africa/Cairo | grep 2009 /usr/share/zoneinfo/Africa/Cairo Thu Apr 23 21:59:59 2009 UTC = Thu Apr 23 23:59:59 2009 EET isdst=0 gmtoff=7200 /usr/share/zoneinfo/Africa/Cairo Thu Apr 23 22:00:00 2009 UTC = Fri Apr 24 01:00:00 2009 EEST isdst=1 gmtoff=10800 /usr/share/zoneinfo/Africa/Cairo Thu Aug 27 20:59:59 2009 UTC = Thu Aug 27 23:59:59 2009 EEST isdst=1 gmtoff=10800 /usr/share/zoneinfo/Africa/Cairo Thu Aug 27 21:00:00 2009 UTC = Thu Aug 27 23:00:00 2009 EET isdst=0 gmtoff=7200

end date should be Thu Sep 24 2009 (Last Thursday in September at 23:59:59) http://support.microsoft.com/kb/958729/

timeanddate[2] and another site I've found[3] also support that. Proposed patch attached. [1] https://bugzilla.redhat.com/show_bug.cgi?id=492263 [2] http://www.timeanddate.com/worldclock/clockchange.html?n=53 [3] http://wwp.greenwichmeantime.com/time-zone/africa/egypt/ Regards, PM diff -up tzdata2009e/africa tzdata2009e-pm/africa --- tzdata2009e/africa 2009-03-23 14:37:51.000000000 +0100 +++ tzdata2009e-pm/africa 2009-04-06 16:06:49.000000000 +0200 @@ -236,7 +236,8 @@ Rule Egypt 2007 only - Sep Thu>=1 23:00s # unless discontinued, next DST may end Thursday 28 August 2008. # From Paul Eggert (2007-08-17): # For lack of better info, assume the new rule is last Thursday in August. -Rule Egypt 2008 max - Aug lastThu 23:00s 0 - +Rule Egypt 2008 only - Aug lastThu 23:00s 0 - +Rule Egypt 2009 max - Sep lastThu 23:00s 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Africa/Cairo 2:05:00 - LMT 1900 Oct Diff finished. Mon Apr 6 16:06:53 2009