Overview: Time in United States
The United States spans six primary time zones across 50 states and several territories, making it one of the most geographically complex countries for timekeeping. The continental US (CONUS) alone covers four zones.
Time Zone Breakdown
| Zone Name | UTC Offset | DST |
|---|---|---|
| ET | UTC-5/-4 | Yes (varies) |
| CT | UTC-6/-5 | Yes (varies) |
| MT | UTC-7/-6 | Yes (varies) |
| PT | UTC-8/-7 | Yes (varies) |
| AKT | UTC-9/-8 | Yes (varies) |
| HT | UTC-10 | Yes (varies) |
Daylight Saving Time in United States
Most US states observe DST. Arizona (except the Navajo Nation) and Hawaii are the main exceptions.
Major Cities and Their Time Zones
The following cities in United States have dedicated time pages with live clocks, UTC offset details, and DST information:
Frequently Asked Questions
How many time zones does United States have?
United States has 6 primary time zone(s): ET (UTC-5/-4), CT (UTC-6/-5), MT (UTC-7/-6), PT (UTC-8/-7), AKT (UTC-9/-8), HT (UTC-10). This can make scheduling across different regions of the country more complex.
Does United States observe Daylight Saving Time?
Most US states observe DST. Arizona (except the Navajo Nation) and Hawaii are the main exceptions.
What time zone is the capital of United States in?
The capital, Washington D.C., uses the America/New_York timezone. You can see the live current time for the capital and other major cities via the city pages linked on this page.