Time zones in United States, including time zone names for standard time and Daylight Saving Time (DST) in 2025.

There are 9 time zones in the USA: Hawaii (UTC -10:00), Alaska (UTC-09:00), Pacific (UTC-08:00), Mountain (UTC-07:00), Central (UTC-06:00), Eastern (UTC-05:00). US also has the Samoa (UTC-11:00) and Chamorro (UTC+10:00) timezones (not included in the map above).

USA time zones and time zone map with current time in each state.

4 天之前 · USA Time Clock & Map - check current local time in the USA - timezones, time difference, offset to GMT/UTC, summer/winter time conversion dates, actual official time in the US, United Satets free clocks.

View the live map of US time zones below. The most familiar four major United States time zones are Eastern Standard Time (EST), Central Standard Time (CST), Mountain Standard Time (MST), and Pacific Standard Time (PST).

In the United States, time is divided into nine standard time zones covering the states, territories and other US possessions, with most of the country observing daylight saving time (DST) for approximately the spring, summer, and fall months.

UTC is always displayed as a 24-hour clock. NIST promotes U.S. innovation and industrial competitiveness by advancing measurement science, standards, and technology in ways that enhance economic security and improve our quality of life.

Current time for all of the US / USA time zones with cities and states - with live clock. 12h and 24h formats with time zone abbreviations.

Get accurate, real-time US time zone information. Check current local time in EST, CST, MST, PST, AKST, HST. Easy to use American time zone converter.

4 天之前 · Check the current time in United States and time zone information, the UTC offset and daylight saving time dates in 2025.