Emblem:

Country: United States

Capital: Washington

Introduction to time zones & DST in United States

There are totally 9 time zones in United States, four in the mainland, one in Alaska, one in Howaii, and the other three in oversea territories.

Four time zones in the mainland are: Eastern Standard TimeCentral Standard TimeMountain Standard TimePacific Standard Time

Daylight Saving Time in United States begins on the second Sunday in March, and ends on the first Sunday of November. Take 2017 as an example, United States observes DST on March 12th, and ends on November 5th.

It is worth nothing that, some parts of United States don't observe Daylight Saving Time, including most of Arizona except the Navajo Nation Community, Howaii, American Samoa, Guam, Puerto Rico and the U.S. Virgin Islands.

DST periods of United States (2018 ~ 2019)

Year Date Type
2018 2018-3-11 Start of DST
2018-11-4 End of DST
2019 2019-3-10 Start of DST
2019-11-3 End of DST

Time zones currently being used in United States

United States is currently using 10 time zones SST HST HDT AKDT MST PDT MDT CDT AST EDT

Offset Time Zone Example City Current Time
UTC -11:00 SST Pago Pago 00:39 Wed, 2018-10-17
UTC -10:00 HST Honolulu 01:39 Wed, 2018-10-17
UTC -09:00 HDT Adak, Alaska 02:39 Wed, 2018-10-17
UTC -08:00 AKDT Anchorage 03:39 Wed, 2018-10-17
UTC -07:00 MST Phoenix 04:39 Wed, 2018-10-17
UTC -07:00 PDT Los Angeles 04:39 Wed, 2018-10-17
UTC -06:00 MDT El Paso 05:39 Wed, 2018-10-17
UTC -05:00 CDT Chicago 06:39 Wed, 2018-10-17
UTC -04:00 AST Ponce 07:39 Wed, 2018-10-17
UTC -04:00 EDT New York City 07:39 Wed, 2018-10-17

Time zones to be used in United States

Offset Time Zone Commences
UTC -10:00 HST 2018-11-04
UTC -09:00 AKST 2018-11-04
UTC -08:00 PST 2018-11-04
UTC -07:00 MST 2018-11-04
UTC -06:00 CST 2018-11-04
UTC -05:00 EST 2018-11-04

Time of Cities in United States

SST (UTC -11:00)

City Time
Pago Pago 00:39 Wed, 2018-10-17

HST (UTC -10:00)

City Time
Honolulu 01:39 Wed, 2018-10-17
City Time
Hilo 01:39 Wed, 2018-10-17

HDT (UTC -09:00)

City Time
Adak, Alaska 02:39 Wed, 2018-10-17

AKDT (UTC -08:00)

City Time
Anchorage 03:39 Wed, 2018-10-17
Fairbanks 03:39 Wed, 2018-10-17
Juneau, Alaska 03:39 Wed, 2018-10-17
Sitka, Alaska 03:39 Wed, 2018-10-17
Valdez 03:39 Wed, 2018-10-17
City Time
Nome, Alaska 03:39 Wed, 2018-10-17
Seward 03:39 Wed, 2018-10-17
Metlakatla, Alaska 03:39 Wed, 2018-10-17
Yakutat 03:39 Wed, 2018-10-17

MST (UTC -07:00)

City Time
Phoenix 04:39 Wed, 2018-10-17
Tucson 04:39 Wed, 2018-10-17
Mesa 04:39 Wed, 2018-10-17
Chandler 04:39 Wed, 2018-10-17
Glendale, Arizona 04:39 Wed, 2018-10-17
City Time
Scottsdale 04:39 Wed, 2018-10-17
Gilbert 04:39 Wed, 2018-10-17
Tempe 04:39 Wed, 2018-10-17
Peoria 04:39 Wed, 2018-10-17
Flagstaff 04:39 Wed, 2018-10-17

PDT (UTC -07:00)

City Time
Los Angeles 04:39 Wed, 2018-10-17
San diego 04:39 Wed, 2018-10-17
San Diego 04:39 Wed, 2018-10-17
San Jose 04:39 Wed, 2018-10-17
San Gabriel 04:39 Wed, 2018-10-17
San Francisco 04:39 Wed, 2018-10-17
Seattle 04:39 Wed, 2018-10-17
Portland 04:39 Wed, 2018-10-17
Las Vegas 04:39 Wed, 2018-10-17
Fresno 04:39 Wed, 2018-10-17
Sacramento 04:39 Wed, 2018-10-17
Long Beach 04:39 Wed, 2018-10-17
Oakland 04:39 Wed, 2018-10-17
Bakersfield 04:39 Wed, 2018-10-17
Anaheim 04:39 Wed, 2018-10-17
Santa Ana 04:39 Wed, 2018-10-17
Stockton 04:39 Wed, 2018-10-17
Riverside 04:39 Wed, 2018-10-17
Irvine 04:39 Wed, 2018-10-17
Henderson 04:39 Wed, 2018-10-17
Chula Vista 04:39 Wed, 2018-10-17
North Las Vegas 04:39 Wed, 2018-10-17
Reno 04:39 Wed, 2018-10-17
Paradise 04:39 Wed, 2018-10-17
Fremont 04:39 Wed, 2018-10-17
Santa Clarita 04:39 Wed, 2018-10-17
San Bernardino 04:39 Wed, 2018-10-17
Spokane 04:39 Wed, 2018-10-17
Oxnard 04:39 Wed, 2018-10-17
Fontana 04:39 Wed, 2018-10-17
Modesto 04:39 Wed, 2018-10-17
Tacoma 04:39 Wed, 2018-10-17
Moreno Valley 04:39 Wed, 2018-10-17
Glendale, California 04:39 Wed, 2018-10-17
Huntington Beach 04:39 Wed, 2018-10-17
Garden Grove 04:39 Wed, 2018-10-17
Santa Rosa 04:39 Wed, 2018-10-17
Oceanside 04:39 Wed, 2018-10-17
Ontario 04:39 Wed, 2018-10-17
Rancho Cucamonga 04:39 Wed, 2018-10-17
Vancouver 04:39 Wed, 2018-10-17
Corona 04:39 Wed, 2018-10-17
Lancaster 04:39 Wed, 2018-10-17
Eugene 04:39 Wed, 2018-10-17
Salem 04:39 Wed, 2018-10-17
Elk Grove 04:39 Wed, 2018-10-17
Palmdale 04:39 Wed, 2018-10-17
City Time
Salinas 04:39 Wed, 2018-10-17
Hayward 04:39 Wed, 2018-10-17
Pomona 04:39 Wed, 2018-10-17
Torrance 04:39 Wed, 2018-10-17
Escondido 04:39 Wed, 2018-10-17
Sunnyvale 04:39 Wed, 2018-10-17
Pasadena 04:39 Wed, 2018-10-17
Orange 04:39 Wed, 2018-10-17
Fullerton 04:39 Wed, 2018-10-17
Thousand Oaks 04:39 Wed, 2018-10-17
Simi Valley 04:39 Wed, 2018-10-17
Bellevue 04:39 Wed, 2018-10-17
Concord 04:39 Wed, 2018-10-17
Santa Clara 04:39 Wed, 2018-10-17
City of Vallejo 04:39 Wed, 2018-10-17
City of Berkeley 04:39 Wed, 2018-10-17
Downey 04:39 Wed, 2018-10-17
Costa Mesa 04:39 Wed, 2018-10-17
Inglewood 04:39 Wed, 2018-10-17
Ventura 04:39 Wed, 2018-10-17
West Covina 04:39 Wed, 2018-10-17
Norwalk 04:39 Wed, 2018-10-17
Burbank 04:39 Wed, 2018-10-17
Daly City 04:39 Wed, 2018-10-17
Santa Maria,CA 04:39 Wed, 2018-10-17
Santa Maria 04:39 Wed, 2018-10-17
Newport beach 04:39 Wed, 2018-10-17
Palo alto 04:39 Wed, 2018-10-17
Monterey Park 04:39 Wed, 2018-10-17
Hacienda Heights 04:39 Wed, 2018-10-17
Rowland Heights 04:39 Wed, 2018-10-17
San jose 04:39 Wed, 2018-10-17
Menlo Park 04:39 Wed, 2018-10-17
Monterey 04:39 Wed, 2018-10-17
Elko 04:39 Wed, 2018-10-17
Morro Bay 04:39 Wed, 2018-10-17
Mountain View 04:39 Wed, 2018-10-17
Mammoth Lakes 04:39 Wed, 2018-10-17
Sausalito 04:39 Wed, 2018-10-17
Solvang 04:39 Wed, 2018-10-17
Big sur 04:39 Wed, 2018-10-17
Lake tahoe 04:39 Wed, 2018-10-17
Big bear lake 04:39 Wed, 2018-10-17
Mojave 04:39 Wed, 2018-10-17
Camarillo 04:39 Wed, 2018-10-17
City of El Monte 04:39 Wed, 2018-10-17

MDT (UTC -06:00)

City Time
El Paso 05:39 Wed, 2018-10-17
Denver 05:39 Wed, 2018-10-17
Las Vegas NM 05:39 Wed, 2018-10-17
Albuquerque 05:39 Wed, 2018-10-17
Colorado springs 05:39 Wed, 2018-10-17
Colorado Springs 05:39 Wed, 2018-10-17
Aurora 05:39 Wed, 2018-10-17
Boise 05:39 Wed, 2018-10-17
Salt Lake City 05:39 Wed, 2018-10-17
Fort Collins 05:39 Wed, 2018-10-17
Lakewood 05:39 Wed, 2018-10-17
West Valley City 05:39 Wed, 2018-10-17
Provo 05:39 Wed, 2018-10-17
City Time
Missoula 05:39 Wed, 2018-10-17
West Jordan 05:39 Wed, 2018-10-17
Pueblo 05:39 Wed, 2018-10-17
City of Arvada 05:39 Wed, 2018-10-17
City of Westminster 05:39 Wed, 2018-10-17
Billings 05:39 Wed, 2018-10-17
Boulder 05:39 Wed, 2018-10-17
Santa fe 05:39 Wed, 2018-10-17
Idaho Falls 05:39 Wed, 2018-10-17
Bozeman 05:39 Wed, 2018-10-17
Moab 05:39 Wed, 2018-10-17
Panguitch 05:39 Wed, 2018-10-17
Kanab 05:39 Wed, 2018-10-17

CDT (UTC -05:00)

City Time
Chicago 06:39 Wed, 2018-10-17
Kansas City metropolitan area 06:39 Wed, 2018-10-17
Houston 06:39 Wed, 2018-10-17
San Antonio 06:39 Wed, 2018-10-17
Dallas 06:39 Wed, 2018-10-17
Austin 06:39 Wed, 2018-10-17
Fort Worth 06:39 Wed, 2018-10-17
Nashville 06:39 Wed, 2018-10-17
Memphis 06:39 Wed, 2018-10-17
Milwaukee 06:39 Wed, 2018-10-17
Oklahoma City 06:39 Wed, 2018-10-17
Omaha 06:39 Wed, 2018-10-17
Tulsa 06:39 Wed, 2018-10-17
New Orleans 06:39 Wed, 2018-10-17
Minneapolis 06:39 Wed, 2018-10-17
Wichita 06:39 Wed, 2018-10-17
Arlington 06:39 Wed, 2018-10-17
St louis 06:39 Wed, 2018-10-17
St. Louis 06:39 Wed, 2018-10-17
Corpus Christi 06:39 Wed, 2018-10-17
Saint Paul 06:39 Wed, 2018-10-17
Plano 06:39 Wed, 2018-10-17
Lincoln 06:39 Wed, 2018-10-17
Lubbock 06:39 Wed, 2018-10-17
Laredo 06:39 Wed, 2018-10-17
Madison 06:39 Wed, 2018-10-17
Baton Rouge 06:39 Wed, 2018-10-17
Garland 06:39 Wed, 2018-10-17
Irving 06:39 Wed, 2018-10-17
Birmingham 06:39 Wed, 2018-10-17
Montgomery 06:39 Wed, 2018-10-17
Des Moines 06:39 Wed, 2018-10-17
Amarillo 06:39 Wed, 2018-10-17
Shreveport 06:39 Wed, 2018-10-17
Mobile 06:39 Wed, 2018-10-17
City Time
Little Rock 06:39 Wed, 2018-10-17
Brownsville 06:39 Wed, 2018-10-17
Huntsville 06:39 Wed, 2018-10-17
Grand Prairie 06:39 Wed, 2018-10-17
Jackson 06:39 Wed, 2018-10-17
Overland Park 06:39 Wed, 2018-10-17
Springfield, Missouri 06:39 Wed, 2018-10-17
Sioux Falls 06:39 Wed, 2018-10-17
Mesquite 06:39 Wed, 2018-10-17
Clarksville 06:39 Wed, 2018-10-17
Waco 06:39 Wed, 2018-10-17
McAllen 06:39 Wed, 2018-10-17
Topeka 06:39 Wed, 2018-10-17
Carrollton 06:39 Wed, 2018-10-17
Cedar Rapids 06:39 Wed, 2018-10-17
Lafayette 06:39 Wed, 2018-10-17
Beaumont 06:39 Wed, 2018-10-17
Evansville 06:39 Wed, 2018-10-17
Abilene 06:39 Wed, 2018-10-17
Independence 06:39 Wed, 2018-10-17
Norman 06:39 Wed, 2018-10-17
Murfreesboro 06:39 Wed, 2018-10-17
Columbia 06:39 Wed, 2018-10-17
Rochester, Minnesota 06:39 Wed, 2018-10-17
Wichita Falls 06:39 Wed, 2018-10-17
Green Bay 06:39 Wed, 2018-10-17
Davenport 06:39 Wed, 2018-10-17
City of Gary 06:39 Wed, 2018-10-17
Bismarck, North Dakota 06:39 Wed, 2018-10-17
Menominee, Michigan 06:39 Wed, 2018-10-17
Tell City, Indiana 06:39 Wed, 2018-10-17
Beulah, North Dakota 06:39 Wed, 2018-10-17
New Salem, North Dakota 06:39 Wed, 2018-10-17
Rainy River, Ontario 06:39 Wed, 2018-10-17

AST (UTC -04:00)

City Time
Ponce 07:39 Wed, 2018-10-17

EDT (UTC -04:00)

City Time
New York City 07:39 Wed, 2018-10-17
Atlanta 07:39 Wed, 2018-10-17
Detroit 07:39 Wed, 2018-10-17
Philadelphia 07:39 Wed, 2018-10-17
Bronx 07:39 Wed, 2018-10-17
Jacksonville 07:39 Wed, 2018-10-17
Indianapolis 07:39 Wed, 2018-10-17
Charlotte 07:39 Wed, 2018-10-17
Columbus, Ohio 07:39 Wed, 2018-10-17
Louisville 07:39 Wed, 2018-10-17
Washington 07:39 Wed, 2018-10-17
Boston 07:39 Wed, 2018-10-17
Baltimore 07:39 Wed, 2018-10-17
Raleigh 07:39 Wed, 2018-10-17
Virginia beach 07:39 Wed, 2018-10-17
Miami Beach 07:39 Wed, 2018-10-17
Miami 07:39 Wed, 2018-10-17
Cleveland 07:39 Wed, 2018-10-17
Tampa 07:39 Wed, 2018-10-17
Lexington 07:39 Wed, 2018-10-17
Pittsburgh 07:39 Wed, 2018-10-17
Cincinnati 07:39 Wed, 2018-10-17
Toledo 07:39 Wed, 2018-10-17
Greensboro 07:39 Wed, 2018-10-17
Newark 07:39 Wed, 2018-10-17
Buffalo 07:39 Wed, 2018-10-17
St. Petersburg 07:39 Wed, 2018-10-17
Fort Wayne 07:39 Wed, 2018-10-17
Durham 07:39 Wed, 2018-10-17
Jersey City 07:39 Wed, 2018-10-17
Winston-Salem 07:39 Wed, 2018-10-17
Orlando 07:39 Wed, 2018-10-17
Arlington County 07:39 Wed, 2018-10-17
Hialeah 07:39 Wed, 2018-10-17
Richmond 07:39 Wed, 2018-10-17
Rochester, New York 07:39 Wed, 2018-10-17
Fayetteville 07:39 Wed, 2018-10-17
Yonkers 07:39 Wed, 2018-10-17
Akron 07:39 Wed, 2018-10-17
Augusta 07:39 Wed, 2018-10-17
Grand Rapids 07:39 Wed, 2018-10-17
Columbus, Georgia 07:39 Wed, 2018-10-17
Worcester 07:39 Wed, 2018-10-17
Tallahassee 07:39 Wed, 2018-10-17
Knoxville 07:39 Wed, 2018-10-17
Providence 07:39 Wed, 2018-10-17
City Time
Chattanooga 07:39 Wed, 2018-10-17
City of Cape Coral 07:39 Wed, 2018-10-17
Fort Lauderdale 07:39 Wed, 2018-10-17
City of Pembroke Pines 07:39 Wed, 2018-10-17
Springfield, Massachusetts 07:39 Wed, 2018-10-17
Savannah 07:39 Wed, 2018-10-17
Syracuse 07:39 Wed, 2018-10-17
Bridgeport 07:39 Wed, 2018-10-17
Dayton 07:39 Wed, 2018-10-17
Alexandria 07:39 Wed, 2018-10-17
Warren 07:39 Wed, 2018-10-17
New Haven 07:39 Wed, 2018-10-17
Sterling Heights 07:39 Wed, 2018-10-17
Columbia, South Carolina 07:39 Wed, 2018-10-17
Stamford 07:39 Wed, 2018-10-17
Elizabeth 07:39 Wed, 2018-10-17
Hartford 07:39 Wed, 2018-10-17
Coral Springs 07:39 Wed, 2018-10-17
Allentown 07:39 Wed, 2018-10-17
Charleston 07:39 Wed, 2018-10-17
Athens 07:39 Wed, 2018-10-17
Lansing 07:39 Wed, 2018-10-17
Ann Arbor 07:39 Wed, 2018-10-17
City of Lowell 07:39 Wed, 2018-10-17
Cambridge 07:39 Wed, 2018-10-17
Manchester 07:39 Wed, 2018-10-17
Waterbury 07:39 Wed, 2018-10-17
Clearwater 07:39 Wed, 2018-10-17
Miami Gardens 07:39 Wed, 2018-10-17
Flint 07:39 Wed, 2018-10-17
South Bend 07:39 Wed, 2018-10-17
Livonia 07:39 Wed, 2018-10-17
Charlottesville 07:39 Wed, 2018-10-17
Annapolis 07:39 Wed, 2018-10-17
New London 07:39 Wed, 2018-10-17
Vincennes, Indiana 07:39 Wed, 2018-10-17
Florida City 07:39 Wed, 2018-10-17
Monticello, Kentucky 07:39 Wed, 2018-10-17
Knox, Indiana 07:39 Wed, 2018-10-17
Cape Cod 07:39 Wed, 2018-10-17
Winamac, Indiana 07:39 Wed, 2018-10-17
Vevay, Indiana 07:39 Wed, 2018-10-17
Ocean city 07:39 Wed, 2018-10-17
Marengo, Indiana 07:39 Wed, 2018-10-17
Niagara falls 07:39 Wed, 2018-10-17