There is no single time in the United States: it spans 6 offsets, and daylight saving time applies only in some regions.
The United States at a glance
| Capital | Washington D.C. |
|---|---|
| UTC offsets | UTC−10 … UTC−5 |
| IANA time zones | 29 |
| Daylight saving time | Some regions only |
| Next clock change | Sunday, March 14, 2027 |
| Abbreviations in use | EST, EDT, PST, PDT, CST, CDT, MST, MDT, HST, AKST, AKDT, HDT |
Time zones in the United States
The United States has 29 IANA time zones, which cover 6 different offsets today. Some of them change clocks for daylight saving time and some do not, so the gap between two cities in the United States can change during the year.
Daylight saving time in the United States
Not all of the United States changes clocks. The table below marks the zones that do; the others keep the same offset all year.
Clock changes in the United States, 2026 and 2027
| Date | Change | Zones that change |
|---|---|---|
| Sunday, March 8, 2026 | Clocks go forward 1 hour in every zone that uses daylight saving time (EST→EDT, CST→CDT, MST→MDT, PST→PDT, AKST→AKDT and HST→HDT) | New York, Chicago, Denver, Los Angeles, Anchorage, America/Adak |
| Sunday, November 1, 2026 | Clocks go back 1 hour in every zone that uses daylight saving time (EDT→EST, CDT→CST, MDT→MST, PDT→PST, AKDT→AKST and HDT→HST) | New York, Chicago, Denver, Los Angeles, Anchorage, America/Adak |
| Sunday, March 14, 2027 | Clocks go forward 1 hour in every zone that uses daylight saving time (EST→EDT, CST→CDT, MST→MDT, PST→PDT, AKST→AKDT and HST→HDT) | New York, Chicago, Denver, Los Angeles, Anchorage, America/Adak |
| Sunday, November 7, 2027 | Clocks go back 1 hour in every zone that uses daylight saving time (EDT→EST, CDT→CST, MDT→MST, PDT→PST, AKDT→AKST and HDT→HST) | New York, Chicago, Denver, Los Angeles, Anchorage, America/Adak |
Local time in the largest cities of the United States
| City | Region | Time now | Time zone |
|---|---|---|---|
| New York | New York | --:-- | America/New_York |
| Los Angeles | California | --:-- | America/Los_Angeles |
| Chicago | Illinois | --:-- | America/Chicago |
| Houston | Texas | --:-- | America/Chicago |
| Phoenix | Arizona | --:-- | America/Phoenix |
| Philadelphia | Pennsylvania | --:-- | America/New_York |
| San Antonio | Texas | --:-- | America/Chicago |
| San Diego | California | --:-- | America/Los_Angeles |
| The Bronx | New York | --:-- | America/New_York |
| Dallas | Texas | --:-- | America/Chicago |
| Jacksonville | Florida | --:-- | America/New_York |
| Fort Worth | Texas | --:-- | America/Chicago |
| San Jose | California | --:-- | America/Los_Angeles |
| Austin | Texas | --:-- | America/Chicago |
| Columbus | Ohio | --:-- | America/New_York |
| Charlotte | North Carolina | --:-- | America/New_York |
| Indianapolis | Indiana | --:-- | America/Indiana/Indianapolis |
| San Francisco | California | --:-- | America/Los_Angeles |
| Seattle | Washington | --:-- | America/Los_Angeles |
| Denver | Colorado | --:-- | America/Denver |
| Washington D.C. | District of Columbia | --:-- | America/New_York |
| Nashville | Tennessee | --:-- | America/Chicago |
| Oklahoma City | Oklahoma | --:-- | America/Chicago |
| El Paso | Texas | --:-- | America/Denver |
Show all 41 cities
| City | Region | Time now | Time zone |
|---|---|---|---|
| Boston | Massachusetts | --:-- | America/New_York |
| Portland | Oregon | --:-- | America/Los_Angeles |
| Detroit | Michigan | --:-- | America/Detroit |
| Las Vegas | Nevada | --:-- | America/Los_Angeles |
| Memphis | Tennessee | --:-- | America/Chicago |
| Louisville | Kentucky | --:-- | America/Kentucky/Louisville |
| Baltimore | Maryland | --:-- | America/New_York |
| Albuquerque | New Mexico | --:-- | America/Denver |
| Milwaukee | Wisconsin | --:-- | America/Chicago |
| Tucson | Arizona | --:-- | America/Phoenix |
| Fresno | California | --:-- | America/Los_Angeles |
| Sacramento | California | --:-- | America/Los_Angeles |
| Atlanta | Georgia | --:-- | America/New_York |
| Miami | Florida | --:-- | America/New_York |
| Omaha | Nebraska | --:-- | America/Chicago |
| Raleigh | North Carolina | --:-- | America/New_York |
| Kansas City | Missouri | --:-- | America/Chicago |
Time difference between the United States and other countries
Differences below use the time in the capital, Washington D.C. Other regions of the United States differ by up to 6 hours.
| City | Time now | Difference now | In January | In July |
|---|---|---|---|---|
| Los Angeles | --:-- | 3 h behind | 3 h behind | 3 h behind |
| London (United Kingdom) | --:-- | 5 h ahead | 5 h ahead | 5 h ahead |
| Paris (France) | --:-- | 6 h ahead | 6 h ahead | 6 h ahead |
| Dubai (United Arab Emirates) | --:-- | 9 h ahead | 9 h ahead | 8 h ahead |
| Mumbai (India) | --:-- | 10 h 30 min ahead | 10 h 30 min ahead | 9 h 30 min ahead |
| Singapore | --:-- | 13 h ahead | 13 h ahead | 12 h ahead |
| Tokyo (Japan) | --:-- | 14 h ahead | 14 h ahead | 13 h ahead |
| Sydney (Australia) | --:-- | 16 h ahead | 16 h ahead | 14 h ahead |
| UTC | --:-- | 5 h ahead | 5 h ahead | 4 h ahead |
Daylight across the United States
On the same June day, daylight lasts 15 hours 59 minutes in Seattle but 13 hours 45 minutes in Miami, because of how far the United States stretches from north to south.
Same clock as the United States right now
These countries read the same time as Washington D.C. right now.
- Bahamas Daylight saving time
- Canada Daylight saving time
- Cayman Islands
- Colombia
- Cuba Daylight saving time
- Ecuador
- Haiti Daylight saving time
- Jamaica
- Panama
- Peru
- Turks and Caicos Islands Daylight saving time
Daylight saving time
Tools for time in the United States
- Convert a time to or from the United States: pick a date and time and see it in every city on your list.
- Add Washington D.C. to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in the United States and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
How many time zones does the United States have?
6 offsets, from UTC−10 to UTC−5. The tz database splits them into 29 named zones.
Does the United States use daylight saving time?
Only in some regions. Clocks change in places such as New York, Los Angeles, Chicago and Indianapolis, while Phoenix and Honolulu keep the same offset all year.
What is the time difference between the United States and London?
It depends on the region. The capital, Washington D.C., is 5 hours behind London for most of the year, and the gap is 4 hours from March 14 to March 27 and October 30 to November 7.
What time is it in the capital of the United States?
The capital, Washington D.C., uses America/New_York (UTC−5 right now). The live clock for Washington D.C. is on its own page.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.