Overview
- The switch to standard time begins at 2:00 a.m. local on Sunday, November 2, when clocks are set back one hour, with daylight saving time scheduled to resume on March 8, 2026.
- Forty‑eight U.S. states will adjust clocks, while Hawaii, most of Arizona, Puerto Rico, Guam, American Samoa, the Northern Mariana Islands and the U.S. Virgin Islands do not observe the change.
- Florida has passed a law to keep daylight time year‑round, joining roughly 17 states seeking the same, but the Uniform Time Act leaves any move to permanent DST up to Congress.
- Mexico ended seasonal clock changes in 2022, yet 33 northern‑border municipalities and all of Baja California will set clocks back at 2:00 a.m. Sunday to stay aligned with adjacent U.S. cities, including locales in Chihuahua, Coahuila, Nuevo León and Tamaulipas.
- Sleep specialists say the one‑hour shift can temporarily disrupt circadian rhythms and advise steady routines and morning light exposure, and residents are urged to manually reset analog clocks before going to bed Saturday.