Mar 29, 2026, 1:00 am
Mar 25
Forward 1 hour
Mar 25, 2029 - Daylight Saving Time Starts
When local standard time is about to reach
Sunday, March 25, 2029, 1:00:00 am clocks are turned forward 1 hour to
Sunday, March 25, 2029, 2:00:00 am local daylight time instead.
Sunrise and sunset will be about 1 hour later on Mar 25, 2029 than the day before. There will be more light in the evening and less light in the morning.
Also called Spring Forward, Summer Time, and Daylight Savings Time.
More info:
DST 2026: Your Guide to the Clock Change
Oct 28
Back 1 hour
Oct 28, 2029 - Daylight Saving Time Ends
When local daylight time is about to reach
Sunday, October 28, 2029, 2:00:00 am clocks are turned backward 1 hour to
Sunday, October 28, 2029, 1:00:00 am local standard time instead.
Sunrise and sunset will be about 1 hour earlier on Oct 28, 2029 than the day before. There will be more light in the morning and less light in the evening.
Also called Fall Back and Winter Time.
More info:
DST 2026: Your Guide to the Clock Change
Daylight Saving Time History in Viseu
Detailed history for Viseu is not available before 1970. Statistics below are based on 1970 onwards.
- Viseu first observed Daylight Saving Time in 1977.
- Viseu has observed DST for 50 years between 1977 and 2026.
- See Worldwide DST Statistics