United States time now, live flip clock
The United States keeps six time zones across its 50 states. On standard time they are Eastern, EST, UTC-5; Central, CST, UTC-6; Mountain, MST, UTC-7; and Pacific, PST, UTC-8. Alaska is AKST, UTC-9, and Hawaii-Aleutian is HST, UTC-10. The main clock shows New York. Pick another zone above to move it.
Time zones in the United States
The table gives each zone's standard and summer time and its largest cities. The buttons under the clock move the main clock to any of them. To find the zone for one state, including the states split in two, see the time zone by state page.
| Time zone | Standard time | Daylight saving time |
|---|---|---|
| Hawaii-Aleutian TimeHonolulu, East Honolulu, Pearl City, Makakilo / Kapolei / Honokai Hale | HST, UTC-10 | HDT, UTC-9Not observed in Honolulu |
| Alaska TimeAnchorage, Fairbanks, Juneau, Eagle River | AKST, UTC-9 | AKDT, UTC-8 |
| Pacific TimeLos Angeles, San Diego, San Jose, San Francisco | PST, UTC-8 | PDT, UTC-7 |
| Mountain TimeDenver, El Paso, Albuquerque, Colorado Springs | MST, UTC-7 | MDT, UTC-6Not observed in Phoenix |
| Central TimeChicago, Houston, San Antonio, Dallas | CST, UTC-6 | CDT, UTC-5 |
| Eastern TimeNew York City, Philadelphia | EST, UTC-5 | EDT, UTC-4 |
Current time in major US cities
The local time now in the cities people ask about most. Pick a city to put it on the main clock.
When the clocks change in the United States
Most of the United States changes clocks twice a year. Honolulu and Phoenix stay on standard time all year.
Sunday 1 November 2026
2:00 AMto1:00 AM
Sunday 14 March 2027
2:00 AMto3:00 AM
How many hours ahead or behind New York
On 7 October 2026, London is 5 hours ahead of New York.
| City | Difference from New York |
|---|---|
| London | 5 hours ahead |
| Dubai | 8 hours ahead |
| Singapore | 12 hours ahead |
| Tokyo | 13 hours ahead |
| Sydney | 15 hours ahead |
| Your time zone | Detected after this page loads |
Where the rules differ in the United States
- Arizona
- MST
- Most of Arizona stays on Mountain Standard Time, MST, UTC-7, all year. So in summer it keeps the same time as Los Angeles. The Navajo Nation, in the northeast of the state, changes its clocks with the rest of the Mountain zone.
- Hawaii
- HST
- Hawaii stays on Hawaii Standard Time, HST, UTC-10, all year.
- The Aleutian Islands
- 2
- Adak and the western Aleutian Islands use Hawaii-Aleutian time. Unlike Hawaii, they change their clocks. They keep HST, UTC-10 in winter and HDT, UTC-9 in summer.
- The territories
- 3
- Puerto Rico and the US Virgin Islands keep Atlantic Standard Time, AST, UTC-4. Guam and the Northern Mariana Islands keep Chamorro Standard Time, ChST, UTC+10. American Samoa keeps Samoa Standard Time, SST, UTC-11. None of them change their clocks.
Questions about time in the United States
How many time zones does the United States have?
The 50 states use six time zones: Eastern, Central, Mountain, Pacific, Alaska and Hawaii-Aleutian. The territories add three more. Puerto Rico and the US Virgin Islands keep Atlantic time. Guam and the Northern Mariana Islands keep Chamorro time. American Samoa keeps Samoa time.
What time zone is New York in?
New York is on Eastern Time. In winter the city keeps Eastern Standard Time, EST, UTC-5. In summer it moves to Eastern Daylight Time, EDT, UTC-4. Most of the East Coast shares it, from Maine to Florida, along with most of Michigan and Indiana.
Which states do not change their clocks?
Hawaii and most of Arizona stay on standard time all year. The exception inside Arizona is the Navajo Nation, which follows daylight saving time like its neighbors. Puerto Rico, Guam, the US Virgin Islands, the Northern Mariana Islands and American Samoa do not change their clocks either.
What is the time difference between New York and Los Angeles?
Los Angeles is 3 hours behind New York all year. Both cities change their clocks on the same days each spring and fall. When the working day starts in New York, it is still early morning in Los Angeles.
Time zone names for developers
| IANA zone | Standard time | Daylight saving time |
|---|---|---|
| America/Adak | HST, UTC-10 | Yes |
| Pacific/Honolulu | HST, UTC-10 | No |
| America/Anchorage | AKST, UTC-9 | Yes |
| America/Juneau | AKST, UTC-9 | Yes |
| America/Metlakatla | AKST, UTC-9 | Yes |
| America/Nome | AKST, UTC-9 | Yes |
| America/Sitka | AKST, UTC-9 | Yes |
| America/Yakutat | AKST, UTC-9 | Yes |
| America/Los_Angeles | PST, UTC-8 | Yes |
| America/Boise | MST, UTC-7 | Yes |
| America/Denver | MST, UTC-7 | Yes |
| America/Phoenix | MST, UTC-7 | No |
| America/Chicago | CST, UTC-6 | Yes |
| America/Indiana/Knox | CST, UTC-6 | Yes |
| America/Indiana/Tell_City | CST, UTC-6 | Yes |
| America/Menominee | CST, UTC-6 | Yes |
| America/North_Dakota/Beulah | CST, UTC-6 | Yes |
| America/North_Dakota/Center | CST, UTC-6 | Yes |
| America/North_Dakota/New_Salem | CST, UTC-6 | Yes |
| America/Detroit | EST, UTC-5 | Yes |
| America/Indiana/Indianapolis | EST, UTC-5 | Yes |
| America/Indiana/Marengo | EST, UTC-5 | Yes |
| America/Indiana/Petersburg | EST, UTC-5 | Yes |
| America/Indiana/Vevay | EST, UTC-5 | Yes |
| America/Indiana/Vincennes | EST, UTC-5 | Yes |
| America/Indiana/Winamac | EST, UTC-5 | Yes |
| America/Kentucky/Louisville | EST, UTC-5 | Yes |
| America/Kentucky/Monticello | EST, UTC-5 | Yes |
| America/New_York | EST, UTC-5 | Yes |
Sources
We checked each fact on this page against these sources on 30 September 2026. Times, offsets and clock changes come from the time zone database.