Mar 30, 2025, 1:00 am
Apr 8
Forward 1 hour
Apr 8, 1917 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, April 8, 1917, 2:00:00 am clocks were turned forward 1 hour to
Sunday, April 8, 1917, 3:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Apr 8, 1917 than the day before. There was more light in the evening and less light in the morning.
Also called Spring Forward, Summer Time, and Daylight Savings Time.
Sep 17
Back 1 hour
Sep 17, 1917 - Daylight Saving Time Ended
When local daylight time was about to reach
Monday, September 17, 1917, 3:00:00 am clocks were turned backward 1 hour to
Monday, September 17, 1917, 2:00:00 am local standard time instead.
Sunrise and sunset were about 1 hour earlier on Sep 17, 1917 than the day before. There was more light in the morning and less light in the evening.
Also called Fall Back and Winter Time.
Daylight Saving Time History in Ireland
- Ireland first observed Daylight Saving Time in 1916.
- Ireland has observed DST for 107 years between 1916 and 2025.
- Previous time with no Daylight Saving Time was 1971.
- See Worldwide DST Statistics