Today at 3:00:00 AM clocks are turned backward 1 hour to Sunday, October 29, 2017, 2:00:00 AM local standard time instead.
As a result, sunrise and sunset will be about 1 hour earlier on Oct 29, 2017 than the day before. There will be more light in the morning.
This is also referred to as 'Fall Back' and 'Winter Time'.
(The clocks go forward again