Oct 26, 2014 in the Russian Federation time zone switching to whinter time will happiened.
The following command help to check is correct time zone patch installed:
# perl -e 'print scalar(localtime(1414305000))."\n"'
If patch is installed:
Sun Oct 26 09:30:00 2014
If not:
Sun Oct 26 10:30:00 2014
This is true for hosts with Moscow time zone set.
This checked on HP-UX, Solaris, AIX UNIXes and on RHEL, Debian Linuxes.