Forward 1 hour
When local standard time was about to reach
Sunday, March 25, 2012, 3:00:00 am clocks were turned forward 1 hour to
Sunday, March 25, 2012, 4:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Mar 25, 2012 than the day before. There was more light in the evening.
Back 1 hour
When local daylight time was about to reach
Sunday, October 28, 2012, 4:00:00 am clocks were turned backward 1 hour to
Sunday, October 28, 2012, 3:00:00 am local standard time instead.
Sunrise and sunset were about 1 hour earlier on Oct 28, 2012 than the day before. There was more light in the morning.
Sunday, Oct 28, 2012: Most Europeans turn clocks back as DST ends
Turkey Reintroduces Daylight Saving Time (Canceled)
Turkey Will Not Reintroduce DST Changes
Turkey Stays on Daylight Saving Time for Good
Europe Ready to Scrap DST
Daylight Saving Time has been introduced, discontinued, and re-introduced quite a few times in Turkey. For details, please see Istanbul's DST history since 1800.