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 (2019 ~ 2020)

Year Date Type
2019 2019-3-10 Start of DST
2019-11-3 End of DST
2020 2020-3-8 Start of DST
2020-11-1 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 19:11 Mon, 2019-04-22
UTC -10:00 HST Honolulu 20:11 Mon, 2019-04-22
UTC -09:00 HDT Adak, Alaska 21:11 Mon, 2019-04-22
UTC -08:00 AKDT Anchorage 22:11 Mon, 2019-04-22
UTC -07:00 MST Phoenix 23:11 Mon, 2019-04-22
UTC -07:00 PDT Los Angeles 23:11 Mon, 2019-04-22
UTC -06:00 MDT El Paso 00:11 Tue, 2019-04-23
UTC -05:00 CDT Chicago 01:11 Tue, 2019-04-23
UTC -04:00 AST Ponce 02:11 Tue, 2019-04-23
UTC -04:00 EDT New York City 02:11 Tue, 2019-04-23

Time zones to be used in United States

Offset Time Zone Commences
UTC -10:00 HST 2019-11-03
UTC -09:00 AKST 2019-11-03
UTC -08:00 PST 2019-11-03
UTC -07:00 MST 2019-11-03
UTC -06:00 CST 2019-11-03
UTC -05:00 EST 2019-11-03

Time of Cities in United States

SST (UTC -11:00)

City Time
Pago Pago 19:11 Mon, 2019-04-22

HST (UTC -10:00)

City Time
Honolulu 20:11 Mon, 2019-04-22
City Time
Hilo 20:11 Mon, 2019-04-22

HDT (UTC -09:00)

City Time
Adak, Alaska 21:11 Mon, 2019-04-22

AKDT (UTC -08:00)

City Time
Anchorage 22:11 Mon, 2019-04-22
Fairbanks 22:11 Mon, 2019-04-22
Juneau, Alaska 22:11 Mon, 2019-04-22
Sitka, Alaska 22:11 Mon, 2019-04-22
Valdez 22:11 Mon, 2019-04-22
City Time
Nome, Alaska 22:11 Mon, 2019-04-22
Seward 22:11 Mon, 2019-04-22
Metlakatla, Alaska 22:11 Mon, 2019-04-22
Yakutat 22:11 Mon, 2019-04-22

MST (UTC -07:00)

City Time
Phoenix 23:11 Mon, 2019-04-22
Tucson 23:11 Mon, 2019-04-22
Mesa 23:11 Mon, 2019-04-22
Chandler 23:11 Mon, 2019-04-22
Glendale, Arizona 23:11 Mon, 2019-04-22
City Time
Scottsdale 23:11 Mon, 2019-04-22
Gilbert 23:11 Mon, 2019-04-22
Tempe 23:11 Mon, 2019-04-22
Peoria 23:11 Mon, 2019-04-22
Flagstaff 23:11 Mon, 2019-04-22

PDT (UTC -07:00)

City Time
Los Angeles 23:11 Mon, 2019-04-22
San diego 23:11 Mon, 2019-04-22
San Diego 23:11 Mon, 2019-04-22
San Jose 23:11 Mon, 2019-04-22
San Gabriel 23:11 Mon, 2019-04-22
San Francisco 23:11 Mon, 2019-04-22
Seattle 23:11 Mon, 2019-04-22
Portland 23:11 Mon, 2019-04-22
Las Vegas 23:11 Mon, 2019-04-22
Fresno 23:11 Mon, 2019-04-22
Sacramento 23:11 Mon, 2019-04-22
Long Beach 23:11 Mon, 2019-04-22
Oakland 23:11 Mon, 2019-04-22
Bakersfield 23:11 Mon, 2019-04-22
Anaheim 23:11 Mon, 2019-04-22
Santa Ana 23:11 Mon, 2019-04-22
Stockton 23:11 Mon, 2019-04-22
Riverside 23:11 Mon, 2019-04-22
Irvine 23:11 Mon, 2019-04-22
Henderson 23:11 Mon, 2019-04-22
Chula Vista 23:11 Mon, 2019-04-22
North Las Vegas 23:11 Mon, 2019-04-22
Reno 23:11 Mon, 2019-04-22
Paradise 23:11 Mon, 2019-04-22
Fremont 23:11 Mon, 2019-04-22
Santa Clarita 23:11 Mon, 2019-04-22
San Bernardino 23:11 Mon, 2019-04-22
Spokane 23:11 Mon, 2019-04-22
Oxnard 23:11 Mon, 2019-04-22
Fontana 23:11 Mon, 2019-04-22
Modesto 23:11 Mon, 2019-04-22
Tacoma 23:11 Mon, 2019-04-22
Moreno Valley 23:11 Mon, 2019-04-22
Glendale, California 23:11 Mon, 2019-04-22
Huntington Beach 23:11 Mon, 2019-04-22
Garden Grove 23:11 Mon, 2019-04-22
Santa Rosa 23:11 Mon, 2019-04-22
Oceanside 23:11 Mon, 2019-04-22
Ontario 23:11 Mon, 2019-04-22
Rancho Cucamonga 23:11 Mon, 2019-04-22
Vancouver 23:11 Mon, 2019-04-22
Corona 23:11 Mon, 2019-04-22
Lancaster 23:11 Mon, 2019-04-22
Eugene 23:11 Mon, 2019-04-22
Salem 23:11 Mon, 2019-04-22
Elk Grove 23:11 Mon, 2019-04-22
Palmdale 23:11 Mon, 2019-04-22
City Time
Salinas 23:11 Mon, 2019-04-22
Hayward 23:11 Mon, 2019-04-22
Pomona 23:11 Mon, 2019-04-22
Torrance 23:11 Mon, 2019-04-22
Escondido 23:11 Mon, 2019-04-22
Sunnyvale 23:11 Mon, 2019-04-22
Pasadena 23:11 Mon, 2019-04-22
Orange 23:11 Mon, 2019-04-22
Fullerton 23:11 Mon, 2019-04-22
Thousand Oaks 23:11 Mon, 2019-04-22
Simi Valley 23:11 Mon, 2019-04-22
Bellevue 23:11 Mon, 2019-04-22
Concord 23:11 Mon, 2019-04-22
Santa Clara 23:11 Mon, 2019-04-22
City of Vallejo 23:11 Mon, 2019-04-22
City of Berkeley 23:11 Mon, 2019-04-22
Downey 23:11 Mon, 2019-04-22
Costa Mesa 23:11 Mon, 2019-04-22
Inglewood 23:11 Mon, 2019-04-22
Ventura 23:11 Mon, 2019-04-22
West Covina 23:11 Mon, 2019-04-22
Norwalk 23:11 Mon, 2019-04-22
Burbank 23:11 Mon, 2019-04-22
Daly City 23:11 Mon, 2019-04-22
Santa Maria,CA 23:11 Mon, 2019-04-22
Santa Maria 23:11 Mon, 2019-04-22
Newport beach 23:11 Mon, 2019-04-22
Palo alto 23:11 Mon, 2019-04-22
Monterey Park 23:11 Mon, 2019-04-22
Hacienda Heights 23:11 Mon, 2019-04-22
Rowland Heights 23:11 Mon, 2019-04-22
San jose 23:11 Mon, 2019-04-22
Menlo Park 23:11 Mon, 2019-04-22
Monterey 23:11 Mon, 2019-04-22
Elko 23:11 Mon, 2019-04-22
Morro Bay 23:11 Mon, 2019-04-22
Mountain View 23:11 Mon, 2019-04-22
Mammoth Lakes 23:11 Mon, 2019-04-22
Sausalito 23:11 Mon, 2019-04-22
Solvang 23:11 Mon, 2019-04-22
Big sur 23:11 Mon, 2019-04-22
Lake tahoe 23:11 Mon, 2019-04-22
Big bear lake 23:11 Mon, 2019-04-22
Mojave 23:11 Mon, 2019-04-22
Camarillo 23:11 Mon, 2019-04-22
City of El Monte 23:11 Mon, 2019-04-22

MDT (UTC -06:00)

City Time
El Paso 00:11 Tue, 2019-04-23
Denver 00:11 Tue, 2019-04-23
Las Vegas NM 00:11 Tue, 2019-04-23
Albuquerque 00:11 Tue, 2019-04-23
Colorado springs 00:11 Tue, 2019-04-23
Colorado Springs 00:11 Tue, 2019-04-23
Aurora 00:11 Tue, 2019-04-23
Boise 00:11 Tue, 2019-04-23
Salt Lake City 00:11 Tue, 2019-04-23
Fort Collins 00:11 Tue, 2019-04-23
Lakewood 00:11 Tue, 2019-04-23
West Valley City 00:11 Tue, 2019-04-23
Provo 00:11 Tue, 2019-04-23
City Time
Missoula 00:11 Tue, 2019-04-23
West Jordan 00:11 Tue, 2019-04-23
Pueblo 00:11 Tue, 2019-04-23
City of Arvada 00:11 Tue, 2019-04-23
City of Westminster 00:11 Tue, 2019-04-23
Billings 00:11 Tue, 2019-04-23
Boulder 00:11 Tue, 2019-04-23
Santa fe 00:11 Tue, 2019-04-23
Idaho Falls 00:11 Tue, 2019-04-23
Bozeman 00:11 Tue, 2019-04-23
Moab 00:11 Tue, 2019-04-23
Panguitch 00:11 Tue, 2019-04-23
Kanab 00:11 Tue, 2019-04-23

CDT (UTC -05:00)

City Time
Chicago 01:11 Tue, 2019-04-23
Kansas City metropolitan area 01:11 Tue, 2019-04-23
Houston 01:11 Tue, 2019-04-23
San Antonio 01:11 Tue, 2019-04-23
Dallas 01:11 Tue, 2019-04-23
Austin 01:11 Tue, 2019-04-23
Fort Worth 01:11 Tue, 2019-04-23
Nashville 01:11 Tue, 2019-04-23
Memphis 01:11 Tue, 2019-04-23
Milwaukee 01:11 Tue, 2019-04-23
Oklahoma City 01:11 Tue, 2019-04-23
Omaha 01:11 Tue, 2019-04-23
Tulsa 01:11 Tue, 2019-04-23
New Orleans 01:11 Tue, 2019-04-23
Minneapolis 01:11 Tue, 2019-04-23
Wichita 01:11 Tue, 2019-04-23
Arlington 01:11 Tue, 2019-04-23
St louis 01:11 Tue, 2019-04-23
St. Louis 01:11 Tue, 2019-04-23
Corpus Christi 01:11 Tue, 2019-04-23
Saint Paul 01:11 Tue, 2019-04-23
Plano 01:11 Tue, 2019-04-23
Lincoln 01:11 Tue, 2019-04-23
Lubbock 01:11 Tue, 2019-04-23
Laredo 01:11 Tue, 2019-04-23
Madison 01:11 Tue, 2019-04-23
Baton Rouge 01:11 Tue, 2019-04-23
Garland 01:11 Tue, 2019-04-23
Irving 01:11 Tue, 2019-04-23
Birmingham 01:11 Tue, 2019-04-23
Montgomery 01:11 Tue, 2019-04-23
Des Moines 01:11 Tue, 2019-04-23
Amarillo 01:11 Tue, 2019-04-23
Shreveport 01:11 Tue, 2019-04-23
Mobile 01:11 Tue, 2019-04-23
City Time
Little Rock 01:11 Tue, 2019-04-23
Brownsville 01:11 Tue, 2019-04-23
Huntsville 01:11 Tue, 2019-04-23
Grand Prairie 01:11 Tue, 2019-04-23
Jackson 01:11 Tue, 2019-04-23
Overland Park 01:11 Tue, 2019-04-23
Springfield, Missouri 01:11 Tue, 2019-04-23
Sioux Falls 01:11 Tue, 2019-04-23
Mesquite 01:11 Tue, 2019-04-23
Clarksville 01:11 Tue, 2019-04-23
Waco 01:11 Tue, 2019-04-23
McAllen 01:11 Tue, 2019-04-23
Topeka 01:11 Tue, 2019-04-23
Carrollton 01:11 Tue, 2019-04-23
Cedar Rapids 01:11 Tue, 2019-04-23
Lafayette 01:11 Tue, 2019-04-23
Beaumont 01:11 Tue, 2019-04-23
Evansville 01:11 Tue, 2019-04-23
Abilene 01:11 Tue, 2019-04-23
Independence 01:11 Tue, 2019-04-23
Norman 01:11 Tue, 2019-04-23
Murfreesboro 01:11 Tue, 2019-04-23
Columbia 01:11 Tue, 2019-04-23
Rochester, Minnesota 01:11 Tue, 2019-04-23
Wichita Falls 01:11 Tue, 2019-04-23
Green Bay 01:11 Tue, 2019-04-23
Davenport 01:11 Tue, 2019-04-23
City of Gary 01:11 Tue, 2019-04-23
Bismarck, North Dakota 01:11 Tue, 2019-04-23
Menominee, Michigan 01:11 Tue, 2019-04-23
Tell City, Indiana 01:11 Tue, 2019-04-23
Beulah, North Dakota 01:11 Tue, 2019-04-23
New Salem, North Dakota 01:11 Tue, 2019-04-23
Rainy River, Ontario 01:11 Tue, 2019-04-23

AST (UTC -04:00)

City Time
Ponce 02:11 Tue, 2019-04-23

EDT (UTC -04:00)

City Time
New York City 02:11 Tue, 2019-04-23
Atlanta 02:11 Tue, 2019-04-23
Detroit 02:11 Tue, 2019-04-23
Philadelphia 02:11 Tue, 2019-04-23
Bronx 02:11 Tue, 2019-04-23
Jacksonville 02:11 Tue, 2019-04-23
Indianapolis 02:11 Tue, 2019-04-23
Charlotte 02:11 Tue, 2019-04-23
Columbus, Ohio 02:11 Tue, 2019-04-23
Louisville 02:11 Tue, 2019-04-23
Washington 02:11 Tue, 2019-04-23
Boston 02:11 Tue, 2019-04-23
Baltimore 02:11 Tue, 2019-04-23
Raleigh 02:11 Tue, 2019-04-23
Virginia beach 02:11 Tue, 2019-04-23
Miami Beach 02:11 Tue, 2019-04-23
Miami 02:11 Tue, 2019-04-23
Cleveland 02:11 Tue, 2019-04-23
Tampa 02:11 Tue, 2019-04-23
Lexington 02:11 Tue, 2019-04-23
Pittsburgh 02:11 Tue, 2019-04-23
Cincinnati 02:11 Tue, 2019-04-23
Toledo 02:11 Tue, 2019-04-23
Greensboro 02:11 Tue, 2019-04-23
Newark 02:11 Tue, 2019-04-23
Buffalo 02:11 Tue, 2019-04-23
St. Petersburg 02:11 Tue, 2019-04-23
Fort Wayne 02:11 Tue, 2019-04-23
Durham 02:11 Tue, 2019-04-23
Jersey City 02:11 Tue, 2019-04-23
Winston-Salem 02:11 Tue, 2019-04-23
Orlando 02:11 Tue, 2019-04-23
Arlington County 02:11 Tue, 2019-04-23
Hialeah 02:11 Tue, 2019-04-23
Richmond 02:11 Tue, 2019-04-23
Rochester, New York 02:11 Tue, 2019-04-23
Fayetteville 02:11 Tue, 2019-04-23
Yonkers 02:11 Tue, 2019-04-23
Akron 02:11 Tue, 2019-04-23
Augusta 02:11 Tue, 2019-04-23
Grand Rapids 02:11 Tue, 2019-04-23
Columbus, Georgia 02:11 Tue, 2019-04-23
Worcester 02:11 Tue, 2019-04-23
Tallahassee 02:11 Tue, 2019-04-23
Knoxville 02:11 Tue, 2019-04-23
Providence 02:11 Tue, 2019-04-23
City Time
Chattanooga 02:11 Tue, 2019-04-23
City of Cape Coral 02:11 Tue, 2019-04-23
Fort Lauderdale 02:11 Tue, 2019-04-23
City of Pembroke Pines 02:11 Tue, 2019-04-23
Springfield, Massachusetts 02:11 Tue, 2019-04-23
Savannah 02:11 Tue, 2019-04-23
Syracuse 02:11 Tue, 2019-04-23
Bridgeport 02:11 Tue, 2019-04-23
Dayton 02:11 Tue, 2019-04-23
Alexandria 02:11 Tue, 2019-04-23
Warren 02:11 Tue, 2019-04-23
New Haven 02:11 Tue, 2019-04-23
Sterling Heights 02:11 Tue, 2019-04-23
Columbia, South Carolina 02:11 Tue, 2019-04-23
Stamford 02:11 Tue, 2019-04-23
Elizabeth 02:11 Tue, 2019-04-23
Hartford 02:11 Tue, 2019-04-23
Coral Springs 02:11 Tue, 2019-04-23
Allentown 02:11 Tue, 2019-04-23
Charleston 02:11 Tue, 2019-04-23
Athens 02:11 Tue, 2019-04-23
Lansing 02:11 Tue, 2019-04-23
Ann Arbor 02:11 Tue, 2019-04-23
City of Lowell 02:11 Tue, 2019-04-23
Cambridge 02:11 Tue, 2019-04-23
Manchester 02:11 Tue, 2019-04-23
Waterbury 02:11 Tue, 2019-04-23
Clearwater 02:11 Tue, 2019-04-23
Miami Gardens 02:11 Tue, 2019-04-23
Flint 02:11 Tue, 2019-04-23
South Bend 02:11 Tue, 2019-04-23
Livonia 02:11 Tue, 2019-04-23
Charlottesville 02:11 Tue, 2019-04-23
Annapolis 02:11 Tue, 2019-04-23
New London 02:11 Tue, 2019-04-23
Vincennes, Indiana 02:11 Tue, 2019-04-23
Florida City 02:11 Tue, 2019-04-23
Monticello, Kentucky 02:11 Tue, 2019-04-23
Knox, Indiana 02:11 Tue, 2019-04-23
Cape Cod 02:11 Tue, 2019-04-23
Winamac, Indiana 02:11 Tue, 2019-04-23
Vevay, Indiana 02:11 Tue, 2019-04-23
Ocean city 02:11 Tue, 2019-04-23
Marengo, Indiana 02:11 Tue, 2019-04-23
Niagara falls 02:11 Tue, 2019-04-23