Daylight Saving Time in United States
Complete DST history, upcoming clock changes and timezone details for United States.
📋 DST Transition History & Schedule
Other Countries in North America DST status by country
📖 About DST in United States
Daylight Saving Time in United States
United States observes Daylight Saving Time (DST). Clocks are adjusted across 29 timezones. The next clock change is onSun, 01 Nov 2026, when clocks will gobackby 1 hour.
DST transitions shown above cover 2025–2028 and are calculated automatically using the IANA timezone database — no manual updates required. Times shown are in local time at the moment of the clock change.
DST Impact CalculatorHow does the clock change affect your meetings?
When clocks inUnited Statesgoback 1 houronSun, 01 Nov 2026, your scheduled meetings shift. Enter a time to see the impact:
DST in North America Which countries observe Daylight Saving Time?
Frequently Asked QuestionsDST — United States
United States does observe Daylight Saving Time. Clocks are adjusted across 29 timezones.
In 2026, clocks in United States go back (fall back) on Sun, 01 Nov 2026 at 01:00 local time. The UTC offset changes from UTC-04:00 to UTC-05:00.
Clocks in United States change by 1 hour during DST transitions. The next change is on Sun, 01 Nov 2026.
Daylight Saving Time (DST) is the practice of setting clocks forward by 1 hour during summer months to extend evening daylight. Clocks 'spring forward' in spring and 'fall back' in autumn. Not all countries observe DST — United States does.
The current UTC offset of United States is UTC-09:00 (HDT). This offset changes during DST transitions.