Time zones in the United States
The United States spans 6 time zones right now, from UTC−10:00 to UTC−05:00. Some areas observe daylight saving time.
Washington, capital
- Time zones
- 6
- UTC offsets
- UTC−10:00, UTC−09:00, UTC−08:00, UTC−07:00, UTC−06:00, UTC−05:00
- Daylight saving
- Some areas
Every clock in the United States
8 named zones, west to east, live.
Hawaii-Aleutian Time
Alaska - western Aleutians
UTC−10:00 HAST
Changes 14 March 2027
Hawaii-Aleutian Standard Time
Hawaii
UTC−10:00 HST
No daylight saving
Alaska Time
Alaska (most areas); Alaska - Juneau area; Alaska - Sitka area; Alaska - Annette Island; and 2 more
UTC−09:00 AKST
Changes 14 March 2027
Pacific Time
Pacific
UTC−08:00 PST
Changes 14 March 2027
Mountain Time
Mountain (most areas); Mountain - ID (south), OR (east)
UTC−07:00 MST
Changes 14 March 2027
Mountain Standard Time
MST - AZ (except Navajo)
UTC−07:00 MST
No daylight saving
Central Time
Central (most areas); Central - IN (Perry); Central - IN (Starke); Central - MI (Wisconsin border); and 3 more
UTC−06:00 CST
Changes 14 March 2027
Eastern Time
Eastern (most areas); Eastern - MI (most areas); Eastern - KY (Louisville area); Eastern - KY (Wayne); and 6 more
UTC−05:00 EST
Changes 14 March 2027
Biggest cities in the United States
Local time in each, by population.
The United States time questions
- How many time zones does the United States have?
- The United States spans 6 UTC offsets: UTC−10:00, UTC−09:00, UTC−08:00, UTC−07:00, UTC−06:00, UTC−05:00. The tz database lists 29 zones for it, one per area with its own clock history.
- Does the United States observe daylight saving time?
- In some areas: Hawaii-Aleutian Time, Alaska Time, Pacific Time, Mountain Time, Central Time, Eastern Time change their clocks; Hawaii-Aleutian Standard Time, Mountain Standard Time do not.
- What time is it in Washington now?
- See the live clock above. Washington is on UTC−05:00.