US Time Zone Map
A live map of the time zones of the United States, with state lines: see the current time in Eastern, Central, Mountain, Pacific, Alaska and Hawaii time, which states are split, and who skips daylight saving time.
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Live map of US time zones
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Boundaries: © OpenStreetMap contributors (ODbL) via timezone-boundary-builder 2026d; state lines Natural Earth; Alaska and Hawaii shown as insets, not to scale. Colours show the UTC offset right now, so they change when daylight saving time starts or ends. Printable PDF maps
What time is it in each US time zone right now?
- Eastern Time--:--EST / EDT · –New York, Washington D.C., Atlanta, Miami, Boston, Detroit
- Central Time--:--CST / CDT · –Chicago, Houston, Dallas, Minneapolis, Nashville, New Orleans
- Mountain Time--:--MST / MDT · –Denver, Salt Lake City, Albuquerque, Boise, El Paso
- Arizona (Mountain, no DST)--:--MST all year · –Phoenix, Tucson, Flagstaff (not the Navajo Nation)
- Pacific Time--:--PST / PDT · –Los Angeles, San Francisco, Seattle, Las Vegas, Portland
- Alaska Time--:--AKST / AKDT · –Anchorage, Fairbanks, Juneau
- Hawaii Time--:--HST all year · –Honolulu, Hilo, all Hawaiian islands
- Hawaii-Aleutian (Aleutians)--:--HST / HDT · –Adak and the Aleutian Islands west of 169°30′W
US territories
- Atlantic Time--:--AST all year · –Puerto Rico, U.S. Virgin Islands
- Chamorro Time--:--ChST all year · –Guam, Northern Mariana Islands
- Samoa Time--:--SST all year · –American Samoa
Live, from the IANA time zone database in your browser. Daylight saving time is applied automatically on the official dates.
Printable US time zone map
Free PDF in US Letter and A4, plus a high-resolution PNG, with state lines and zone names.
The time zones of the United States
Federal law defines nine standard time zones, and the U.S. Department of Transportation sets their exact boundaries in 49 CFR Part 71 (49 CFR Part 71). From east to west:
- Eastern Time (ET) – UTC−5, or UTC−4 (EDT) in summer. About half of the US population lives here.
- Central Time (CT) – UTC−6, or UTC−5 (CDT). From the Great Lakes to the Gulf of Mexico.
- Mountain Time (MT) – UTC−7, or UTC−6 (MDT). Arizona stays on UTC−7 all year.
- Pacific Time (PT) – UTC−8, or UTC−7 (PDT). The West Coast and Nevada.
- Alaska Time (AKT) – UTC−9, or UTC−8 (AKDT).
- Hawaii-Aleutian Time (HT) – UTC−10. Hawaii does not use daylight saving time; the Aleutian Islands west of 169°30′W do (UTC−9).
- Atlantic (AST, UTC−4), Samoa (SST, UTC−11) and Chamorro (ChST, UTC+10) – Puerto Rico and the U.S. Virgin Islands, American Samoa, and Guam with the Northern Mariana Islands. None of them change their clocks.
States with two time zones
14 states are split between two zones, mostly along county lines described in the regulations (49 CFR Part 71): Alaska, Florida, Idaho, Indiana, Kansas, Kentucky, Michigan, Nebraska, Nevada, North Dakota, Oregon, South Dakota, Tennessee and Texas. The boundary between Eastern and Central runs through Michigan’s Upper Peninsula, Indiana, Kentucky, Tennessee and the Florida Panhandle; the Central–Mountain line crosses the Dakotas, Nebraska, Kansas and west Texas; and the Mountain–Pacific line splits Idaho and Oregon.
Daylight saving time in the US
Most of the country moves its clocks forward one hour at 2:00 a.m. on the second Sunday in March and back at 2:00 a.m. on the first Sunday in November. In 2026 that is March 8 and November 1 (NIST: Daylight Saving Time Rules). Hawaii, American Samoa, Guam, Puerto Rico, the Virgin Islands and Arizona do not observe it, except the Navajo Nation in Arizona (NIST: Daylight Saving Time Rules). A bill to make daylight saving time permanent passed the House on July 14, 2026, but has not passed the Senate (H.R.139 on Congress.gov). More on daylight saving time 2026.
Time zones by state
| State | Time zone |
|---|---|
| Alabama | Central |
| Alaska | Alaska; the Aleutian Islands west of 169°30′W use Hawaii-Aleutian |
| Arizona | Mountain, no daylight saving time (the Navajo Nation does observe it) |
| Arkansas | Central |
| California | Pacific |
| Colorado | Mountain |
| Connecticut | Eastern |
| Delaware | Eastern |
| District of Columbia | Eastern |
| Florida | Eastern; the western Panhandle (west of the Apalachicola River) is Central |
| Georgia | Eastern |
| Hawaii | Hawaii, no daylight saving time |
| Idaho | Mountain; northern Idaho (north of the Salmon River) is Pacific |
| Illinois | Central |
| Indiana | Eastern; the northwest corner near Chicago and the southwest corner near Evansville are Central |
| Iowa | Central |
| Kansas | Central; four western counties (Sherman, Wallace, Greeley, Hamilton) are Mountain |
| Kentucky | Eastern in the east, Central in the west |
| Louisiana | Central |
| Maine | Eastern |
| Maryland | Eastern |
| Massachusetts | Eastern |
| Michigan | Eastern; four Upper Peninsula counties bordering Wisconsin (Gogebic, Iron, Dickinson, Menominee) are Central |
| Minnesota | Central |
| Mississippi | Central |
| Missouri | Central |
| Montana | Mountain |
| Nebraska | Central in the east, Mountain in the west |
| Nevada | Pacific; West Wendover is Mountain |
| New Hampshire | Eastern |
| New Jersey | Eastern |
| New Mexico | Mountain |
| New York | Eastern |
| North Carolina | Eastern |
| North Dakota | Central; the southwest is Mountain |
| Ohio | Eastern |
| Oklahoma | Central |
| Oregon | Pacific; most of Malheur County is Mountain |
| Pennsylvania | Eastern |
| Rhode Island | Eastern |
| South Carolina | Eastern |
| South Dakota | Central in the east, Mountain in the west |
| Tennessee | Central; East Tennessee is Eastern |
| Texas | Central; El Paso and Hudspeth counties are Mountain |
| Utah | Mountain |
| Vermont | Eastern |
| Virginia | Eastern |
| Washington | Pacific |
| West Virginia | Eastern |
| Wisconsin | Central |
| Wyoming | Mountain |
Based on 49 CFR Part 71 and NIST. Boundaries inside split states follow county lines and rivers; check the regulation for an exact county.
Need to compare two US cities, or a US city with Europe or Asia? Use the time zone converter. Neighbouring Canada changed a lot in 2026: British Columbia stays on UTC−7 all year, Alberta and the Northwest Territories on UTC−6, and Manitoba moves to permanent UTC−5 from the end of October (IANA tz database NEWS).
Frequently asked questions
How many time zones are there in the United States?
Nine standard time zones are defined in US law: Atlantic, Eastern, Central, Mountain, Pacific, Alaska, Hawaii-Aleutian, Samoa and Chamorro. The 50 states use six of them (Eastern, Central, Mountain, Pacific, Alaska and Hawaii-Aleutian); the other three cover Puerto Rico, the U.S. Virgin Islands, American Samoa, Guam and the Northern Mariana Islands.
What is the time difference between Eastern and Pacific time?
Three hours, all year. Both zones change their clocks on the same dates, so when it is noon in New York it is 9 a.m. in Los Angeles in both summer and winter.
Which states have two time zones?
14 states are split: Alaska, Florida, Idaho, Indiana, Kansas, Kentucky, Michigan, Nebraska, Nevada, North Dakota, Oregon, South Dakota, Tennessee, Texas. The exact lines follow county borders and rivers and are set in federal regulations (49 CFR Part 71).
Does Arizona change its clocks?
Most of Arizona stays on Mountain Standard Time (UTC−7) all year, so in summer it has the same time as California. The Navajo Nation in northeastern Arizona does use daylight saving time, while the Hopi Reservation inside it does not.
When does daylight saving time end in 2026?
On Sunday, November 1, 2026, at 2:00 a.m. local time, clocks go back one hour. It started on March 8, 2026. Hawaii, most of Arizona, Puerto Rico, the U.S. Virgin Islands, Guam, the Northern Mariana Islands and American Samoa do not change.
What time zone is Texas in?
Most of Texas uses Central Time. El Paso and Hudspeth counties in the far west use Mountain Time, one hour behind.
Sources
- Electronic Code of Federal Regulations. Title 49, Part 71: Standard Time Zone Boundaries (U.S. Department of Transportation). https://www.ecfr.gov/current/title-49/subtitle-A/part-71
- National Institute of Standards and Technology (NIST). Daylight Saving Time Rules. https://www.nist.gov/pml/time-and-frequency-division/popular-links/daylight-saving-time-dst
- Congress.gov. H.R.139 – Sunshine Protection Act of 2025, 119th Congress (all actions). https://www.congress.gov/bill/119th-congress/house-bill/139
- IANA Time Zone Database, NEWS file (releases 2025a–2026e). https://data.iana.org/time-zones/tzdb/NEWS
- Evan Siroky. timezone-boundary-builder, release 2026d. Data © OpenStreetMap contributors, Open Database License (ODbL). https://github.com/evansiroky/timezone-boundary-builder
- Natural Earth. Free vector and raster map data (public domain). https://www.naturalearthdata.com/about/terms-of-use/
All sources were checked on October 8, 2026. Live times on this site are calculated in your browser from the IANA time zone database, never from fixed offsets. Spot a mistake? Email info@timezonesmap.net.