US Time Zone Map

The United States uses six time zones: Eastern (UTC−5/−4), Central (UTC−6/−5), Mountain (UTC−7/−6), Pacific (UTC−8/−7), Alaska (UTC−9/−8) and Hawaii-Aleutian (UTC−10, no daylight saving time).

US Time Zone Map

US states and territories by UTC offset

UTC−10 — HST

UTC−9 — AKST

World time zone map · All time zone abbreviations

US time zone map FAQ

What are the US time zones?

Eastern (UTC−5/−4), Central (UTC−6/−5), Mountain (UTC−7/−6), Pacific (UTC−8/−7), Alaska (UTC−9/−8) and Hawaii-Aleutian (UTC−10, no daylight saving time).

Which states have two time zones?

Alaska, Arizona (the Navajo Nation observes daylight saving time), Florida, Idaho, Indiana, Kansas, Kentucky, Michigan, Nebraska, North Dakota, Oregon, South Dakota, Tennessee and Texas are split between two zones.

Which US states do not change their clocks?

Hawaii and most of Arizona stay on standard time all year, along with Puerto Rico, Guam, American Samoa and the US Virgin Islands.

Updated 6 November 2026. Time zone data: IANA tz database.