USA Time Zones

Current time in each time zone

GMT/UTC time difference in every US state

The continental United States (the 48 contiguous states) is divided into 4 time zones.

Current time in the four US time zones (covering the 48 contiguous states), Daylight Saving Time (DST) automatically calculated

Daylight Saving Time begins for most of the United States at 2 a.m. on the second Sunday of March. Time reverts to standard time at 2 a.m. on the first Sunday of November.

Daylight Saving Time, for the U.S. and its territories, is NOT observed in Hawaii, American Samoa, Guam, Puerto Rico, the Virgin Islands and the state of Arizona (not the Navajo Indian Reservation, which does observe DST). Navajo Nation participates in the Daylight Saving Time policy, due to its large size and location in three states.

GMT/UTC offset, state by state

Official Reference: UNITED STATES CODE, TITLE 15 - COMMERCE AND TRADE, CHAPTER 6 - WEIGHTS AND MEASURES AND STANDARD TIME, SUBCHAPTER IX - STANDARD TIME


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