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Time in United States Now
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What Time Is It in the United States Right Now With Seconds
The United States is one of the largest multi–time-zone nations in the world. Time varies depending on state and region, ranging from UTC −10 in Hawaii to UTC −5 in the Eastern Time Zone. Some states observe Daylight Saving Time, while others do not.
Major cities such as New York, Los Angeles, Chicago, Houston, Phoenix, Philadelphia, San Antonio, San Diego, Dallas, and Austin each follow the time zone of their location.
United States Time Zone Information
Number of primary time zones: 6
Eastern Time Zone (ET): UTC −5 (UTC −4 in DST)
Central Time Zone (CT): UTC −6 (UTC −5 in DST)
Mountain Time Zone (MT): UTC −7 (UTC −6 in DST)
Pacific Time Zone (PT): UTC −8 (UTC −7 in DST)
Alaska Time Zone (AKT): UTC −9 (UTC −8 in DST)
Hawaii–Aleutian Time Zone (HAT): UTC −10 (no DST in Hawaii)
IANA Time Zone IDs:
America/New_York, America/Chicago, America/Denver, America/Los_Angeles, America/Anchorage, Pacific/Honolulu- More info: United States on Wikipedia
Some U.S. regions (such as Puerto Rico, American Samoa, Guam, and the U.S. Virgin Islands) use additional offsets and time identifiers.
Major Cities in the United States & Their Time
| City | Time Zone | Standard UTC Offset |
|---|---|---|
| New York | Eastern Time (ET) | UTC −5 |
| Atlanta | Eastern Time (ET) | UTC −5 |
| Miami | Eastern Time (ET) | UTC −5 |
| Washington, D.C. | Eastern Time (ET) | UTC −5 |
| Chicago | Central Time (CT) | UTC −6 |
| Houston | Central Time (CT) | UTC −6 |
| Dallas | Central Time (CT) | UTC −6 |
| Nashville | Central Time (CT) | UTC −6 |
| Denver | Mountain Time (MT) | UTC −7 |
| Phoenix | Mountain Time (MT, no DST) | UTC −7 |
| Los Angeles | Pacific Time (PT) | UTC −8 |
| San Diego | Pacific Time (PT) | UTC −8 |
| Seattle | Pacific Time (PT) | UTC −8 |
| Honolulu | Hawaii–Aleutian Time (HAT) | UTC −10 |
| Anchorage | Alaska Time (AKT) | UTC −9 |
Cities in the United States follow the time zone of their state or region.
Pros and Cons
Pros
Multiple time zones support nationwide business and trade.
DST offers better daylight usage in many states.
Predictable timekeeping across aviation, communication, and finance.
Local time alignment improves regional scheduling.
Cons
Multiple zones make nationwide coordination complex.
DST variations cause confusion between states.
Hawaii and Arizona exceptions may complicate digital scheduling.
Frequently Asked Questions
How many time zones are in the USA?
The United States has 11 time zones including its territories. The main six are Eastern, Central, Mountain, Pacific, Alaska, and Hawaii–Aleutian.
Does every U.S. state observe Daylight Saving Time?
Yes, the USA uses Daylight Saving Time (DST). Clocks move forward by one hour in March and back by one hour in November. Hawaii and most of Arizona do not observe DST.
How many time zones does the United States have?
The United States has 11 time zones including its territories. The main six are Eastern, Central, Mountain, Pacific, Alaska, and Hawaii–Aleutian.
What is the official time zone of the United States?
There are six official IANA time zone IDs: America/New_York, America/Chicago, America/Denver, America/Los_Angeles, America/Anchorage, and Pacific/Honolulu.
How can I check time differences between U.S. states?
Use a time converter or local city clocks to compare state-to-state time.