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Daylight saving time: How to adjust to setting the clocks back

Daylight saving time ends Sunday, and experts warn the transition can temporarily disrupt your sleep cycle. Dr. Julie Chen, ...

When is the best time to change the clock? Here’s your final warning

Standard time in 2025 starts at 2 a.m. Sunday, Nov. 2, when clocks will turn back one hour. In 2026, daylight saving time returns at 2 a.m. Sunday, March 8.