In the UK the clocks go forward 1 hour at 1am on the last Sunday in March, and back 1 hour at 2am on the last Sunday in October. The period when the clocks are 1 hour ahead is called British Summer Time (BST). There's more daylight in the evenings and less in the mornings (sometimes called Daylight Saving Time). read more
Sunday, November 4, 2018, 2:00:00 am clocks are turned backward 1 hour to Sunday, November 4, 2018, 1:00:00 am local standard time instead. Sunrise and sunset will be about 1 hour earlier on Nov 4, 2018 than the day before. read more