In 2023, clocks go back by one hour on Sunday, October 29, 2023, at 3:00 am local daylight time, which then becomes 2:00 am local standard time. This marks the end of Daylight Saving Time in many parts of Europe, including the UK and EU member states, resulting in an earlier sunrise and sunset by about one hour.
In the United States, the clocks go back one hour on Sunday, November 5, 2023, at 2:00 am, marking the end of Daylight Saving Time and the return to standard time.
