The united states uses nine time zones. From east to west they are atlantic time zone, eastern time zone, central time zone, mountain time zone, pacific time zone, alaska time zone,. 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. The united states is divided into 6 time zones. Utc−12, utc+12, utc−11, utc−10, and utc−05 in the us minor outlying islands. Most part of the united states observes daylight saving time. Where dst is observed, see recent and expected dst changes in the table below. The next dst change is highlighted. The clocks were put forward an hour to 3:00 am.

Know what time it is across us. This simple, time zone map helps keep you know the local time for friends, colleagues, or clients, effortlessly. Has six official time zones: How many time zones are there in the us? There are 9 time zones by law in the usa and its dependencies. However, adding the time zones of 2 uninhabited us territories, howland island and baker island, brings the total count to 11 time zones. The contiguous us has 4. Explore accurate united states time zone information. View current local time, international time comparisons, major cities, and dst updates for united states. Find current local time in any us state, city, or territory.

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Live clock system with time zone comparison and conversion tools for all american time zones. Live usa time zones map showing current pacific time, central time, eastern time, mountain time, alaska time, and hawaii time. There are four time zones used in the contiguous u. s. : Pacific time zone, mountain time zone, central time zone, eastern time zone. Alaska and hawaii have their own time zones, there are five more of them comprising different u. s.