Overview
- The change occurs at 2:00 a.m. local on Sunday, Nov. 2, when clocks move back to 1:00 a.m., and standard time runs until March 8, 2026.
- Hawaii, most of Arizona (except the Navajo Nation), Puerto Rico, Guam, American Samoa, the U.S. Virgin Islands and the Northern Mariana Islands do not adjust their clocks.
- Most smartphones and connected computers update automatically, while analog clocks, some car dashboards and older appliances require manual resetting.
- Airlines and other transport operators revise schedules for the shift, so travelers should confirm itineraries, alarms and any time‑sensitive systems.
- The Department of Transportation regulates U.S. time rules, the time gap with much of Mexico shrinks by one hour after the rollback, and state moves to adopt permanent DST remain inactive without congressional approval.