Oct 27, 2024, 2:00 am
Jun 17
Forward 1 hour
Jun 17, 1916 - Daylight Saving Time Started
When local standard time was about to reach
Saturday, June 17, 1916, 11:00:00 pm clocks were turned forward 1 hour to
Sunday, June 18, 1916, 12:00:00 midnight local daylight time instead.
Sunrise and sunset were about 1 hour later on Jun 18, 1916 than the day before. There was more light in the evening.
Also called Spring Forward, Summer Time, and Daylight Savings Time.
Nov 1
Back 1 hour
Nov 1, 1916 - Daylight Saving Time Ended
When local daylight time was about to reach
Wednesday, November 1, 1916, 1:00:00 am clocks were turned backward 1 hour to
Wednesday, November 1, 1916, 12:00:00 midnight local standard time instead.
Sunrise and sunset were about 1 hour earlier on Nov 1, 1916 than the day before. There was more light in the morning.
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 93 years between 1916 and 2024.
- Previous time with no Daylight Saving Time was 1976.
- See Worldwide DST Statistics