Quick facts (2-minute guide)
- Date: Sunday, 2 November 2025 (first Sunday of November)
- Exact time: 2:00 a.m. local Daylight Time → 1:00 a.m. local Standard Time
- What changes: The U.S. switches from DST (UTC-5 to UTC-7) to Standard Time (UTC-6 to UTC-8) depending on time zone
- Who’s included: Most states except Hawaii and most of Arizona (no DST)
- NIST Time
What the U.S. Clock Change on November 2, 2025 Means
- Clocks go back one hour at 2 a.m. Daylight Saving Time ends; the U.S. returns to Standard Time.
- Sleep: You gain 1 extra hour overnight.
- Evenings: Get darker earlier. Mornings are lighter (for a while).
- Expect earlier sunsets and a brighter start to the day.
- Work/Travel: Check Sunday schedules; airlines/rail list local time.
- Most phones/computers update automatically; manually adjust wall clocks & watches.
- Not everywhere changes: Hawaii & most of Arizona (except Navajo Nation) don’t observe DST.
- Some people feel short-term sleep/mood shifts as light cues change.
- Next change: March 8, 2026 (“spring forward” one hour).
Devices: will they update?
- iPhone/Android/Windows/Mac/Smartwatches: Yes, if automatic time is on.
- Manual clocks: Change back 1 hour (ovens, microwaves, car, thermostats).
Quick mistakes to avoid
- Missing manual clocks and boiler/thermostat timers
- Time-zone meetings on Monday—reconfirm invites
- Medication/feeding routines—adjust alarms if needed
Also check – UK Clocks Go Back 2025: Exact Time & What Changes
The United States implements a biannual time adjustment system known as Daylight Saving Time (DST) in accordance with federal law under the Uniform Time Act. On the second Sunday in March, clocks are advanced by one hour to transition from Standard Time to Daylight Saving Time, reallocating an hour of morning daylight to the evening to maximize daylight during active hours. On the first Sunday in November, clocks are set back by one hour to revert to Standard Time, restoring alignment with solar time during the winter season. This system is designed to enhance energy conservation, improve public safety, and support economic activities. However, observance of DST is not uniform across all states and territories, as jurisdictions such as Arizona (excluding the Navajo Nation) and Hawaii do not participate.
