Daylight Saving Time to End Across U.S. Sunday

As clocks fall back, use this time to test smoke alarms and replace any units older than 10 years.

Updated on Oct. 31, 2026 in Sleep Disorders

Gouache-painted illustration of a residential smoke alarm unit against a plain wall, highlighting routine home safety during the time change. — Daylight saving time ends Sunday at 2 a.m. in the United States, serving as a reminder to check smoke alarm functionality. AI Illustration. Upload story photo >

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Daylight saving time officially ends in the United States on Sunday, November 1, 2026. Residents should set their clocks back one hour to 1 a.m. at 2 a.m. to mark the shift.

Why it matters

The annual transition to standard time serves as a practical reminder to assess home safety systems. Efforts to enact permanent daylight saving time remain stalled due to concerns about the impact of darker winter mornings on student safety.

Safety recommendations from the American Red Cross suggest using the time change to test smoke alarms and swap batteries. Devices that are 10 years or older are considered end-of-life and must be replaced entirely.

The players

American Red Cross

A humanitarian organization that provides emergency assistance and disaster relief while promoting public health safety standards.

The details

At 2 a.m. on Sunday, clocks will officially revert to 1 a.m. to synchronize with standard time. Most households adjust their timepieces before retiring on Saturday night to facilitate the transition. While legislative bodies in Washington previously considered ending this practice, concerns persist that permanent daylight saving time would necessitate children traveling to school in early-morning darkness during the winter.

November 1, 2026: Daylight saving time officially ends at 2 a.m.
March 14, 2027: Daylight saving time is scheduled to return.

Health Landscape

The U.S. continues to follow the seasonal time-change cycle as efforts to implement permanent daylight saving time remain stalled. This status quo persists despite ongoing national discussions regarding the potential long-term health and safety implications of the biannual transition.

The shift to standard time offers an opportunity to conduct a routine check of your household smoke detectors. Ensuring these devices are functional and less than 10 years old is a simple preventive step to improve residential safety.

The takeaway

Using the end of daylight saving time as a trigger for home maintenance ensures your safety equipment remains reliable. Replace batteries in all smoke detectors and check the manufacturing date on the back of each unit to ensure they are less than 10 years old.