Daylight Saving Time in United States
🇺🇸 2026
Currently on standard time
Observes DST
Yes
DST Starts
March
DST Ends
November
About DST in United States
The United States observes daylight saving time from the second Sunday in March to the first Sunday in November. Clocks spring forward by 1 hour in spring and fall back in autumn. Exceptions: Hawaii, most of Arizona, Puerto Rico, Guam, US Virgin Islands, and American Samoa do not observe DST.
Regions Affected
Most of USA (except Hawaii, most of Arizona)
Timezones in United States
FAQ
Does United States use daylight saving time?
Yes, United States observes DST from March to November.
When do clocks change in United States?
Clocks go forward 1 hour in March and back 1 hour in November.
Which parts of United States don't observe DST?
Most of USA (except Hawaii, most of Arizona).
Other Countries
United States日光節約時間日期（2026–2028）
| 年分 | 開始（撥快一小時） | 結束（撥回一小時） |
|---|---|---|
| 2026 | March 8, 2026 | November 1, 2026 |
| 2027 | March 14, 2027 | November 7, 2027 |
| 2028 | March 12, 2028 | November 5, 2028 |
日期依官方規則計算（美加：3 月第二個週日至 11 月第一個週日；歐盟：3 月最後一個週日至 10 月最後一個週日）。