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.

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 08:40 Tue, 2025-08-26
UTC -10:00 HST Honolulu 09:40 Tue, 2025-08-26
UTC -09:00 HDT Adak, Alaska 10:40 Tue, 2025-08-26
UTC -08:00 AKDT Anchorage 11:40 Tue, 2025-08-26
UTC -07:00 MST Phoenix 12:40 Tue, 2025-08-26
UTC -07:00 PDT Los Angeles 12:40 Tue, 2025-08-26
UTC -06:00 MDT El Paso 13:40 Tue, 2025-08-26
UTC -05:00 CDT Chicago 14:40 Tue, 2025-08-26
UTC -04:00 AST Ponce 15:40 Tue, 2025-08-26
UTC -04:00 EDT New York City 15:40 Tue, 2025-08-26

Time zones to be used in United States

Offset Time Zone Commences
UTC -10:00 HST 2025-11-02
UTC -09:00 AKST 2025-11-02
UTC -08:00 PST 2025-11-02
UTC -07:00 MST 2025-11-02
UTC -06:00 CST 2025-11-02
UTC -05:00 EST 2025-11-02

Time of Cities in United States

SST (UTC -11:00)

City Time
Pago Pago 08:40 Tue, 2025-08-26

HST (UTC -10:00)

City Time
Honolulu 09:40 Tue, 2025-08-26
City Time
Hilo 09:40 Tue, 2025-08-26

HDT (UTC -09:00)

City Time
Adak, Alaska 10:40 Tue, 2025-08-26

AKDT (UTC -08:00)

City Time
Anchorage 11:40 Tue, 2025-08-26
Fairbanks 11:40 Tue, 2025-08-26
Juneau, Alaska 11:40 Tue, 2025-08-26
Sitka, Alaska 11:40 Tue, 2025-08-26
Valdez 11:40 Tue, 2025-08-26
City Time
Nome, Alaska 11:40 Tue, 2025-08-26
Seward 11:40 Tue, 2025-08-26
Metlakatla, Alaska 11:40 Tue, 2025-08-26
Yakutat 11:40 Tue, 2025-08-26

MST (UTC -07:00)

City Time
Phoenix 12:40 Tue, 2025-08-26
Tucson 12:40 Tue, 2025-08-26
Mesa 12:40 Tue, 2025-08-26
Chandler 12:40 Tue, 2025-08-26
Glendale, Arizona 12:40 Tue, 2025-08-26
City Time
Scottsdale 12:40 Tue, 2025-08-26
Gilbert 12:40 Tue, 2025-08-26
Tempe 12:40 Tue, 2025-08-26
Peoria 12:40 Tue, 2025-08-26
Flagstaff 12:40 Tue, 2025-08-26

PDT (UTC -07:00)

City Time
Los Angeles 12:40 Tue, 2025-08-26
San diego 12:40 Tue, 2025-08-26
San Diego 12:40 Tue, 2025-08-26
San Jose 12:40 Tue, 2025-08-26
San Gabriel 12:40 Tue, 2025-08-26
San Francisco 12:40 Tue, 2025-08-26
Seattle 12:40 Tue, 2025-08-26
Portland 12:40 Tue, 2025-08-26
Las Vegas 12:40 Tue, 2025-08-26
Fresno 12:40 Tue, 2025-08-26
Sacramento 12:40 Tue, 2025-08-26
Long Beach 12:40 Tue, 2025-08-26
Oakland 12:40 Tue, 2025-08-26
Bakersfield 12:40 Tue, 2025-08-26
Anaheim 12:40 Tue, 2025-08-26
Santa Ana 12:40 Tue, 2025-08-26
Stockton 12:40 Tue, 2025-08-26
Riverside 12:40 Tue, 2025-08-26
Irvine 12:40 Tue, 2025-08-26
Henderson 12:40 Tue, 2025-08-26
Chula Vista 12:40 Tue, 2025-08-26
North Las Vegas 12:40 Tue, 2025-08-26
Reno 12:40 Tue, 2025-08-26
Paradise 12:40 Tue, 2025-08-26
Fremont 12:40 Tue, 2025-08-26
Santa Clarita 12:40 Tue, 2025-08-26
San Bernardino 12:40 Tue, 2025-08-26
Spokane 12:40 Tue, 2025-08-26
Oxnard 12:40 Tue, 2025-08-26
Fontana 12:40 Tue, 2025-08-26
Modesto 12:40 Tue, 2025-08-26
Tacoma 12:40 Tue, 2025-08-26
Moreno Valley 12:40 Tue, 2025-08-26
Glendale, California 12:40 Tue, 2025-08-26
Huntington Beach 12:40 Tue, 2025-08-26
Garden Grove 12:40 Tue, 2025-08-26
Santa Rosa 12:40 Tue, 2025-08-26
Oceanside 12:40 Tue, 2025-08-26
Ontario 12:40 Tue, 2025-08-26
Rancho Cucamonga 12:40 Tue, 2025-08-26
Vancouver 12:40 Tue, 2025-08-26
Corona 12:40 Tue, 2025-08-26
Lancaster 12:40 Tue, 2025-08-26
Eugene 12:40 Tue, 2025-08-26
Salem 12:40 Tue, 2025-08-26
Elk Grove 12:40 Tue, 2025-08-26
Palmdale 12:40 Tue, 2025-08-26
City Time
Salinas 12:40 Tue, 2025-08-26
Hayward 12:40 Tue, 2025-08-26
Pomona 12:40 Tue, 2025-08-26
Torrance 12:40 Tue, 2025-08-26
Escondido 12:40 Tue, 2025-08-26
Sunnyvale 12:40 Tue, 2025-08-26
Pasadena 12:40 Tue, 2025-08-26
Orange 12:40 Tue, 2025-08-26
Fullerton 12:40 Tue, 2025-08-26
Thousand Oaks 12:40 Tue, 2025-08-26
Simi Valley 12:40 Tue, 2025-08-26
Bellevue 12:40 Tue, 2025-08-26
Concord 12:40 Tue, 2025-08-26
Santa Clara 12:40 Tue, 2025-08-26
City of Vallejo 12:40 Tue, 2025-08-26
City of Berkeley 12:40 Tue, 2025-08-26
Downey 12:40 Tue, 2025-08-26
Costa Mesa 12:40 Tue, 2025-08-26
Inglewood 12:40 Tue, 2025-08-26
Ventura 12:40 Tue, 2025-08-26
West Covina 12:40 Tue, 2025-08-26
Norwalk 12:40 Tue, 2025-08-26
Burbank 12:40 Tue, 2025-08-26
Daly City 12:40 Tue, 2025-08-26
Santa Maria,CA 12:40 Tue, 2025-08-26
Santa Maria 12:40 Tue, 2025-08-26
Newport beach 12:40 Tue, 2025-08-26
Palo alto 12:40 Tue, 2025-08-26
Monterey Park 12:40 Tue, 2025-08-26
Hacienda Heights 12:40 Tue, 2025-08-26
Rowland Heights 12:40 Tue, 2025-08-26
San jose 12:40 Tue, 2025-08-26
Menlo Park 12:40 Tue, 2025-08-26
Monterey 12:40 Tue, 2025-08-26
Elko 12:40 Tue, 2025-08-26
Morro Bay 12:40 Tue, 2025-08-26
Mountain View 12:40 Tue, 2025-08-26
Mammoth Lakes 12:40 Tue, 2025-08-26
Sausalito 12:40 Tue, 2025-08-26
Solvang 12:40 Tue, 2025-08-26
Big sur 12:40 Tue, 2025-08-26
Lake tahoe 12:40 Tue, 2025-08-26
Big bear lake 12:40 Tue, 2025-08-26
Mojave 12:40 Tue, 2025-08-26
Camarillo 12:40 Tue, 2025-08-26
City of El Monte 12:40 Tue, 2025-08-26

MDT (UTC -06:00)

City Time
El Paso 13:40 Tue, 2025-08-26
Denver 13:40 Tue, 2025-08-26
Las Vegas NM 13:40 Tue, 2025-08-26
Albuquerque 13:40 Tue, 2025-08-26
Colorado springs 13:40 Tue, 2025-08-26
Colorado Springs 13:40 Tue, 2025-08-26
Aurora 13:40 Tue, 2025-08-26
Boise 13:40 Tue, 2025-08-26
Salt Lake City 13:40 Tue, 2025-08-26
Fort Collins 13:40 Tue, 2025-08-26
Lakewood 13:40 Tue, 2025-08-26
West Valley City 13:40 Tue, 2025-08-26
Provo 13:40 Tue, 2025-08-26
City Time
Missoula 13:40 Tue, 2025-08-26
West Jordan 13:40 Tue, 2025-08-26
Pueblo 13:40 Tue, 2025-08-26
City of Arvada 13:40 Tue, 2025-08-26
City of Westminster 13:40 Tue, 2025-08-26
Billings 13:40 Tue, 2025-08-26
Boulder 13:40 Tue, 2025-08-26
Santa fe 13:40 Tue, 2025-08-26
Idaho Falls 13:40 Tue, 2025-08-26
Bozeman 13:40 Tue, 2025-08-26
Moab 13:40 Tue, 2025-08-26
Panguitch 13:40 Tue, 2025-08-26
Kanab 13:40 Tue, 2025-08-26

CDT (UTC -05:00)

City Time
Chicago 14:40 Tue, 2025-08-26
Kansas City metropolitan area 14:40 Tue, 2025-08-26
Houston 14:40 Tue, 2025-08-26
San Antonio 14:40 Tue, 2025-08-26
Dallas 14:40 Tue, 2025-08-26
Austin 14:40 Tue, 2025-08-26
Fort Worth 14:40 Tue, 2025-08-26
Nashville 14:40 Tue, 2025-08-26
Memphis 14:40 Tue, 2025-08-26
Milwaukee 14:40 Tue, 2025-08-26
Oklahoma City 14:40 Tue, 2025-08-26
Omaha 14:40 Tue, 2025-08-26
Tulsa 14:40 Tue, 2025-08-26
New Orleans 14:40 Tue, 2025-08-26
Minneapolis 14:40 Tue, 2025-08-26
Wichita 14:40 Tue, 2025-08-26
Arlington 14:40 Tue, 2025-08-26
St louis 14:40 Tue, 2025-08-26
St. Louis 14:40 Tue, 2025-08-26
Corpus Christi 14:40 Tue, 2025-08-26
Saint Paul 14:40 Tue, 2025-08-26
Plano 14:40 Tue, 2025-08-26
Lincoln 14:40 Tue, 2025-08-26
Lubbock 14:40 Tue, 2025-08-26
Laredo 14:40 Tue, 2025-08-26
Madison 14:40 Tue, 2025-08-26
Baton Rouge 14:40 Tue, 2025-08-26
Garland 14:40 Tue, 2025-08-26
Irving 14:40 Tue, 2025-08-26
Birmingham 14:40 Tue, 2025-08-26
Montgomery 14:40 Tue, 2025-08-26
Des Moines 14:40 Tue, 2025-08-26
Amarillo 14:40 Tue, 2025-08-26
Shreveport 14:40 Tue, 2025-08-26
Mobile 14:40 Tue, 2025-08-26
City Time
Little Rock 14:40 Tue, 2025-08-26
Brownsville 14:40 Tue, 2025-08-26
Huntsville 14:40 Tue, 2025-08-26
Grand Prairie 14:40 Tue, 2025-08-26
Jackson 14:40 Tue, 2025-08-26
Overland Park 14:40 Tue, 2025-08-26
Springfield, Missouri 14:40 Tue, 2025-08-26
Sioux Falls 14:40 Tue, 2025-08-26
Mesquite 14:40 Tue, 2025-08-26
Clarksville 14:40 Tue, 2025-08-26
Waco 14:40 Tue, 2025-08-26
McAllen 14:40 Tue, 2025-08-26
Topeka 14:40 Tue, 2025-08-26
Carrollton 14:40 Tue, 2025-08-26
Cedar Rapids 14:40 Tue, 2025-08-26
Lafayette 14:40 Tue, 2025-08-26
Beaumont 14:40 Tue, 2025-08-26
Evansville 14:40 Tue, 2025-08-26
Abilene 14:40 Tue, 2025-08-26
Independence 14:40 Tue, 2025-08-26
Norman 14:40 Tue, 2025-08-26
Murfreesboro 14:40 Tue, 2025-08-26
Columbia 14:40 Tue, 2025-08-26
Rochester, Minnesota 14:40 Tue, 2025-08-26
Wichita Falls 14:40 Tue, 2025-08-26
Green Bay 14:40 Tue, 2025-08-26
Davenport 14:40 Tue, 2025-08-26
City of Gary 14:40 Tue, 2025-08-26
Bismarck, North Dakota 14:40 Tue, 2025-08-26
Menominee, Michigan 14:40 Tue, 2025-08-26
Tell City, Indiana 14:40 Tue, 2025-08-26
Beulah, North Dakota 14:40 Tue, 2025-08-26
New Salem, North Dakota 14:40 Tue, 2025-08-26
Rainy River, Ontario 14:40 Tue, 2025-08-26

AST (UTC -04:00)

City Time
Ponce 15:40 Tue, 2025-08-26

EDT (UTC -04:00)

City Time
New York City 15:40 Tue, 2025-08-26
Atlanta 15:40 Tue, 2025-08-26
Detroit 15:40 Tue, 2025-08-26
Philadelphia 15:40 Tue, 2025-08-26
Bronx 15:40 Tue, 2025-08-26
Jacksonville 15:40 Tue, 2025-08-26
Indianapolis 15:40 Tue, 2025-08-26
Charlotte 15:40 Tue, 2025-08-26
Columbus, Ohio 15:40 Tue, 2025-08-26
Louisville 15:40 Tue, 2025-08-26
Washington 15:40 Tue, 2025-08-26
Boston 15:40 Tue, 2025-08-26
Baltimore 15:40 Tue, 2025-08-26
Raleigh 15:40 Tue, 2025-08-26
Virginia beach 15:40 Tue, 2025-08-26
Miami Beach 15:40 Tue, 2025-08-26
Miami 15:40 Tue, 2025-08-26
Cleveland 15:40 Tue, 2025-08-26
Tampa 15:40 Tue, 2025-08-26
Lexington 15:40 Tue, 2025-08-26
Pittsburgh 15:40 Tue, 2025-08-26
Cincinnati 15:40 Tue, 2025-08-26
Toledo 15:40 Tue, 2025-08-26
Greensboro 15:40 Tue, 2025-08-26
Newark 15:40 Tue, 2025-08-26
Buffalo 15:40 Tue, 2025-08-26
St. Petersburg 15:40 Tue, 2025-08-26
Fort Wayne 15:40 Tue, 2025-08-26
Durham 15:40 Tue, 2025-08-26
Jersey City 15:40 Tue, 2025-08-26
Winston-Salem 15:40 Tue, 2025-08-26
Orlando 15:40 Tue, 2025-08-26
Arlington County 15:40 Tue, 2025-08-26
Hialeah 15:40 Tue, 2025-08-26
Richmond 15:40 Tue, 2025-08-26
Rochester, New York 15:40 Tue, 2025-08-26
Fayetteville 15:40 Tue, 2025-08-26
Yonkers 15:40 Tue, 2025-08-26
Akron 15:40 Tue, 2025-08-26
Augusta 15:40 Tue, 2025-08-26
Grand Rapids 15:40 Tue, 2025-08-26
Columbus, Georgia 15:40 Tue, 2025-08-26
Worcester 15:40 Tue, 2025-08-26
Tallahassee 15:40 Tue, 2025-08-26
Knoxville 15:40 Tue, 2025-08-26
Providence 15:40 Tue, 2025-08-26
City Time
Chattanooga 15:40 Tue, 2025-08-26
City of Cape Coral 15:40 Tue, 2025-08-26
Fort Lauderdale 15:40 Tue, 2025-08-26
City of Pembroke Pines 15:40 Tue, 2025-08-26
Springfield, Massachusetts 15:40 Tue, 2025-08-26
Savannah 15:40 Tue, 2025-08-26
Syracuse 15:40 Tue, 2025-08-26
Bridgeport 15:40 Tue, 2025-08-26
Dayton 15:40 Tue, 2025-08-26
Alexandria 15:40 Tue, 2025-08-26
Warren 15:40 Tue, 2025-08-26
New Haven 15:40 Tue, 2025-08-26
Sterling Heights 15:40 Tue, 2025-08-26
Columbia, South Carolina 15:40 Tue, 2025-08-26
Stamford 15:40 Tue, 2025-08-26
Elizabeth 15:40 Tue, 2025-08-26
Hartford 15:40 Tue, 2025-08-26
Coral Springs 15:40 Tue, 2025-08-26
Allentown 15:40 Tue, 2025-08-26
Charleston 15:40 Tue, 2025-08-26
Athens 15:40 Tue, 2025-08-26
Lansing 15:40 Tue, 2025-08-26
Ann Arbor 15:40 Tue, 2025-08-26
City of Lowell 15:40 Tue, 2025-08-26
Cambridge 15:40 Tue, 2025-08-26
Manchester 15:40 Tue, 2025-08-26
Waterbury 15:40 Tue, 2025-08-26
Clearwater 15:40 Tue, 2025-08-26
Miami Gardens 15:40 Tue, 2025-08-26
Flint 15:40 Tue, 2025-08-26
South Bend 15:40 Tue, 2025-08-26
Livonia 15:40 Tue, 2025-08-26
Charlottesville 15:40 Tue, 2025-08-26
Annapolis 15:40 Tue, 2025-08-26
New London 15:40 Tue, 2025-08-26
Vincennes, Indiana 15:40 Tue, 2025-08-26
Florida City 15:40 Tue, 2025-08-26
Monticello, Kentucky 15:40 Tue, 2025-08-26
Knox, Indiana 15:40 Tue, 2025-08-26
Cape Cod 15:40 Tue, 2025-08-26
Winamac, Indiana 15:40 Tue, 2025-08-26
Vevay, Indiana 15:40 Tue, 2025-08-26
Ocean city 15:40 Tue, 2025-08-26
Marengo, Indiana 15:40 Tue, 2025-08-26
Niagara falls 15:40 Tue, 2025-08-26

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