Oct 26, 2025, 2:00 am
Mar 30
Forward 1 hour
Mar 30, 1935 - Daylight Saving Time Started
When local standard time was about to reach
Saturday, March 30, 1935, 11:00:00 pm clocks were turned forward 1 hour to
Sunday, March 31, 1935, 12:00:00 midnight local daylight time instead.
Sunrise and sunset were about 1 hour later on Mar 31, 1935 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.
Oct 6
Back 1 hour
Oct 6, 1935 - Daylight Saving Time Ended
When local daylight time was about to reach
Sunday, October 6, 1935, 12:00:00 midnight clocks were turned backward 1 hour to
Saturday, October 5, 1935, 11:00:00 pm local standard time instead.
Sunrise and sunset were about 1 hour earlier on Oct 6, 1935 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 Portugal
- Portugal first observed Daylight Saving Time in 1916.
- Portugal has observed DST for 105 years between 1916 and 2025.
- Previous time with no Daylight Saving Time was 1933.
- See Worldwide DST Statistics