The United States has 8 different time zones: UTC−10 (Hawaii-Aleutian Standard Time), UTC−10 (Hawaii-Aleutian Standard Time), UTC−9 (Alaska Standard Time), UTC−8 (Pacific Standard Time), UTC−7 (Mountain Standard Time), UTC−7 (Mountain Standard Time), UTC−6 (Central Standard Time), UTC−5 (Eastern Standard Time). The main clock shows the time in Washington, D.C.; the table above shows the current time in each zone.
Washington, D.C. observes daylight saving time, but standard (winter) time currently applies. The next change is on Sunday, March 14, 2027: at 02:00 clocks go forward 1 h to 03:00 (UTC−4).
The time is calculated using the official IANA time zone database (version 2026.1), the same one used by operating systems and mobile phones, and it is synchronized with our server clock to correct any drift on your device.
How to use the clock
Check the time: the large clock updates itself every second and also shows the date and the time zone.
Find any place: type the name of a city or a country in the search box at the top and pick a result.
Compare times: “Difference from your time” tells you how many hours apart the place is from your current time zone.
Customize the view: choose the 12- or 24-hour format and whether to show seconds. Your choice, like normal or dark mode, is saved in your browser.
Build your world clock: on the home page you can add or remove cities from your list; it will be remembered next time.
Share the result with the Facebook, WhatsApp, X or Telegram buttons, or copy the link.
Frequently asked questions
What time is it now in the United States?
The current time in the United States is shown on the clock at the top of this page and updates every second. In Washington, D.C., the time zone currently in effect is: Eastern Standard Time (UTC−5).
How many time zones does the United States have?
The United States has 8 different time zones: UTC−10 (Hawaii-Aleutian Standard Time), UTC−10 (Hawaii-Aleutian Standard Time), UTC−9 (Alaska Standard Time), UTC−8 (Pacific Standard Time), UTC−7 (Mountain Standard Time), UTC−7 (Mountain Standard Time), UTC−6 (Central Standard Time), UTC−5 (Eastern Standard Time). The IANA database lists 29 zone identifiers for it.
Do the clocks change in the United States?
Washington, D.C. observes daylight saving time, but standard (winter) time currently applies. The next change is on Sunday, March 14, 2027: at 02:00 clocks go forward 1 h to 03:00 (UTC−4).
What is the time difference between the United States and London?
Right now the time difference between Washington, D.C. and London is −5 h. It may vary at certain times of the year if only one of the two places observes daylight saving time or if they change on different dates.
How do I know the time difference between the United States and where I am?
On this page, “Difference from your time” is calculated automatically using the time zone set on your device, so you do not need to work anything out.