Description of problem:

There is a general election at Turkey on  november 1, 2015 so Daylight Saving Time is going to  apply november 8, 2015 not on october 25, 2015.

See the link below.

http://www.milliyet.com.tr/saatler-ne-zaman-geri-alinacak--gundem-2121432/

Version-Release number of selected component (if applicable):
tzdata

Additional info:
# cat /etc/sysconfig/clock 
# The time zone of the system is defined by the contents of /etc/localtime.
# This file is only for evaluation by system-config-date, do not rely on its
# contents elsewhere.
ZONE="Asia/Istanbul"
UTC=true

Country name: Turkey

# date
Tue Sep 22 15:03:01 EEST 2015
#