USA Time Zones: Standard Time + Daylight Saving Time + Time Zone information | Greenwich Mean Time
Greenwich Means Time to the World

USA

United States of America

Time in American Cities

The United States of America , also referred to as the United States , the U.S. , the USA , America , and the States (colloquially), is a federal republic of 50 states, located primarily in central North America.

The United States has land borders with Canada and Mexico and territorial water boundaries with Canada, Russia and the Bahamas.  The USA is otherwise bounded by the Pacific Ocean, the Bering Sea, the Arctic Ocean, the Atlantic Ocean, the Gulf of Mexico and the Caribbean Sea.

Forty-eight of the states, "the continental" or "contiguous 48 states" are located in a single region between Canada and Mexico. The other two are Alaska and the archipelago of Hawaii.

There is a federal district, the District of Columbia named 'Columbia' for the old poetic name for the country, comprising the capital, Washington, D.C . The United States also owns a number of overseas territories.

The largest cities are New York , Los Angeles and Chicago .

USA Time Zones

The United States spans 6 time zones.  It shares the main four time zones with Canada (Eastern Time, Central Time , Mountain Time and Pacific Time).

Hawaii Time and Alaska Time are separate Time zones

View current time in all US time zones: World Clock USA


USA Time Zones

Daylight Saving Time Since 2007: Daylight Saving Time begins for most of the United States at 2 a.m. on the second Sunday of March. Time revert to standard time at 2 a.m. on the first Sunday in 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). Navajo Nation participates in the Daylight Saving Time policy, due to its large size and location in three states.

USA & Canada clocks are now on

DAYLIGHT SAVING

  • Daylight saving start: Sunday 13 March 2016  02:00 local time.
  • Daylight saving end: Sunday 6 November 2016  02:00 local time.

USA and Canada Standard Time Date schedules here

  State Standard
Time
DST
AL Alabama GMT-6 GMT-5
AK

Alaska

GMT-9 GMT-8
AK

Alaska (Aleutian Islands)

GMT-10 NA
AZ Arizona GMT-7 NA
AZ Arizona (Navajo) GMT-7 GMT-6
AR Arkansas GMT-6 GMT-5
CA California GMT-8 GMT-7
CO Colorado GMT-7 GMT-6
CT Connecticut GMT-5 GMT-4
DC District of Columbia GMT-5 GMT-4
DE Delaware GMT-5 GMT-4
FL Florida GMT-5 GMT-4
FL Florida (W) GMT-6 GMT-5
GA Georgia GMT-5 GMT-4
HI Hawaii GMT-10 NA
ID Idaho (N) GMT-8 GMT-7
ID Idaho (S) GMT-7 GMT-6
IL Illinois GMT-6 GMT-5
IN Indiana GMT-5 GMT-4
IN Indiana (SW / NW) GMT-6 GMT-5
IA Iowa GMT-6 GMT-5
KS Kansas GMT-6 GMT-5
KS Kansas (W) GMT-7 GMT-6
KY Kentucky (E) GMT-5 GMT-4
KY Kentucky (W) GMT-6 GMT-5
LA Louisiana GMT-6 GMT-5
ME Maine GMT-5 GMT-4
MD Maryland GMT-5 GMT-4
MA Massachusetts GMT-5 GMT-4
MI Michigan GMT-5 GMT-4
MI Michigan (W) GMT-6 GMT-5
MN Minnesota GMT-6 GMT-5
MS Mississippi GMT-6 GMT-5
MO Missouri GMT-6 GMT-5
MT Montana GMT-7 GMT-6
NE Nebraska GMT-6 GMT-5
NE Nebraska (W) GMT-7 GMT-6
NV Nevada GMT-8 GMT-7
NH New Hampshire GMT-5 GMT-4
NJ New Jersey GMT-5 GMT-4
NM New Mexico GMT-7 GMT-6
NY New York GMT-5 GMT-4
NC North Carolina GMT-5 GMT-4
ND North Dakota GMT-6 GMT-5
ND North Dakota (W) GMT-7 GMT-6
OH Ohio GMT-5 GMT-4
OK Oklahoma GMT-6 GMT-5
OR Oregon GMT-8 GMT-7
OR Oregon (E) GMT-7 GMT-6
PA Pennsylvania GMT-5 GMT-4
RI Rhode Island GMT-5 GMT-4
SC South Carolina GMT-5 GMT-4
SD South Dakota (E) GMT-6 GMT-5
SD South Dakota (W) GMT-7 GMT-6
TN Tennessee (E) GMT-5 GMT-4
TN Tennessee (W) GMT-6 GMT-5
TX Texas GMT-6 GMT-5
TX Texas (W) GMT-7 GMT-6
UT Utah GMT-7 GMT-6
VT Vermont GMT-5 GMT-4
VA Virginia GMT-5 GMT-4
WA Washington GMT-8 GMT-7
WV West Virginia GMT-5 GMT-4
WI Wisconsin GMT-6 GMT-5
WY WGMT-7yoming GMT-7 GMT-6

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