[CentOS] Changing daylight saving time for Turkey.

Hi,

Normally daylight date change last sunday march for Turkey but this year daylight saving time will change for Turkey at 28 March 2011 at 03.00 AM so how can i change daylight save time setting for this year on CentOS servers ?

I wrote rule file like below and compile it with zic but when I compile rule file,it has changed date immediately but it should be change at 28 March 2011 03.00 AM.

#Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule TR 2011 only - Mar 22 14:47:00 1:00 S

#Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL] Zone Europe/Istanbul +2:00 TR EEST

If you help me,i will be happy.

Thanks.