Daylight saving time for 2023 will end on Sunday, November 5th at 2:00 a.m. local time. This is when most Americans will have to "fall back" for the biannual time change and turn their clocks back an hour. Daylight saving time lasts for a total of 34 weeks (238 days) every year, about 65% of the entire year. It starts on the second Sunday of March and ends on the first Sunday of November, with the time changes taking place at 2:00 a.m. local time.