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 01:32 Mon, 2019-10-21
UTC -10:00 HST Honolulu 02:32 Mon, 2019-10-21
UTC -09:00 HDT Adak, Alaska 03:32 Mon, 2019-10-21
UTC -08:00 AKDT Anchorage 04:32 Mon, 2019-10-21
UTC -07:00 MST Phoenix 05:32 Mon, 2019-10-21
UTC -07:00 PDT Los Angeles 05:32 Mon, 2019-10-21
UTC -06:00 MDT El Paso 06:32 Mon, 2019-10-21
UTC -05:00 CDT Chicago 07:32 Mon, 2019-10-21
UTC -04:00 AST Ponce 08:32 Mon, 2019-10-21
UTC -04:00 EDT New York City 08:32 Mon, 2019-10-21

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 01:32 Mon, 2019-10-21

HST (UTC -10:00)

City Time
Honolulu 02:32 Mon, 2019-10-21
City Time
Hilo 02:32 Mon, 2019-10-21

HDT (UTC -09:00)

City Time
Adak, Alaska 03:32 Mon, 2019-10-21

AKDT (UTC -08:00)

City Time
Anchorage 04:32 Mon, 2019-10-21
Fairbanks 04:32 Mon, 2019-10-21
Juneau, Alaska 04:32 Mon, 2019-10-21
Sitka, Alaska 04:32 Mon, 2019-10-21
Valdez 04:32 Mon, 2019-10-21
City Time
Nome, Alaska 04:32 Mon, 2019-10-21
Seward 04:32 Mon, 2019-10-21
Metlakatla, Alaska 04:32 Mon, 2019-10-21
Yakutat 04:32 Mon, 2019-10-21

MST (UTC -07:00)

City Time
Phoenix 05:32 Mon, 2019-10-21
Tucson 05:32 Mon, 2019-10-21
Mesa 05:32 Mon, 2019-10-21
Chandler 05:32 Mon, 2019-10-21
Glendale, Arizona 05:32 Mon, 2019-10-21
City Time
Scottsdale 05:32 Mon, 2019-10-21
Gilbert 05:32 Mon, 2019-10-21
Tempe 05:32 Mon, 2019-10-21
Peoria 05:32 Mon, 2019-10-21
Flagstaff 05:32 Mon, 2019-10-21

PDT (UTC -07:00)

City Time
Los Angeles 05:32 Mon, 2019-10-21
San diego 05:32 Mon, 2019-10-21
San Diego 05:32 Mon, 2019-10-21
San Jose 05:32 Mon, 2019-10-21
San Gabriel 05:32 Mon, 2019-10-21
San Francisco 05:32 Mon, 2019-10-21
Seattle 05:32 Mon, 2019-10-21
Portland 05:32 Mon, 2019-10-21
Las Vegas 05:32 Mon, 2019-10-21
Fresno 05:32 Mon, 2019-10-21
Sacramento 05:32 Mon, 2019-10-21
Long Beach 05:32 Mon, 2019-10-21
Oakland 05:32 Mon, 2019-10-21
Bakersfield 05:32 Mon, 2019-10-21
Anaheim 05:32 Mon, 2019-10-21
Santa Ana 05:32 Mon, 2019-10-21
Stockton 05:32 Mon, 2019-10-21
Riverside 05:32 Mon, 2019-10-21
Irvine 05:32 Mon, 2019-10-21
Henderson 05:32 Mon, 2019-10-21
Chula Vista 05:32 Mon, 2019-10-21
North Las Vegas 05:32 Mon, 2019-10-21
Reno 05:32 Mon, 2019-10-21
Paradise 05:32 Mon, 2019-10-21
Fremont 05:32 Mon, 2019-10-21
Santa Clarita 05:32 Mon, 2019-10-21
San Bernardino 05:32 Mon, 2019-10-21
Spokane 05:32 Mon, 2019-10-21
Oxnard 05:32 Mon, 2019-10-21
Fontana 05:32 Mon, 2019-10-21
Modesto 05:32 Mon, 2019-10-21
Tacoma 05:32 Mon, 2019-10-21
Moreno Valley 05:32 Mon, 2019-10-21
Glendale, California 05:32 Mon, 2019-10-21
Huntington Beach 05:32 Mon, 2019-10-21
Garden Grove 05:32 Mon, 2019-10-21
Santa Rosa 05:32 Mon, 2019-10-21
Oceanside 05:32 Mon, 2019-10-21
Ontario 05:32 Mon, 2019-10-21
Rancho Cucamonga 05:32 Mon, 2019-10-21
Vancouver 05:32 Mon, 2019-10-21
Corona 05:32 Mon, 2019-10-21
Lancaster 05:32 Mon, 2019-10-21
Eugene 05:32 Mon, 2019-10-21
Salem 05:32 Mon, 2019-10-21
Elk Grove 05:32 Mon, 2019-10-21
Palmdale 05:32 Mon, 2019-10-21
City Time
Salinas 05:32 Mon, 2019-10-21
Hayward 05:32 Mon, 2019-10-21
Pomona 05:32 Mon, 2019-10-21
Torrance 05:32 Mon, 2019-10-21
Escondido 05:32 Mon, 2019-10-21
Sunnyvale 05:32 Mon, 2019-10-21
Pasadena 05:32 Mon, 2019-10-21
Orange 05:32 Mon, 2019-10-21
Fullerton 05:32 Mon, 2019-10-21
Thousand Oaks 05:32 Mon, 2019-10-21
Simi Valley 05:32 Mon, 2019-10-21
Bellevue 05:32 Mon, 2019-10-21
Concord 05:32 Mon, 2019-10-21
Santa Clara 05:32 Mon, 2019-10-21
City of Vallejo 05:32 Mon, 2019-10-21
City of Berkeley 05:32 Mon, 2019-10-21
Downey 05:32 Mon, 2019-10-21
Costa Mesa 05:32 Mon, 2019-10-21
Inglewood 05:32 Mon, 2019-10-21
Ventura 05:32 Mon, 2019-10-21
West Covina 05:32 Mon, 2019-10-21
Norwalk 05:32 Mon, 2019-10-21
Burbank 05:32 Mon, 2019-10-21
Daly City 05:32 Mon, 2019-10-21
Santa Maria,CA 05:32 Mon, 2019-10-21
Santa Maria 05:32 Mon, 2019-10-21
Newport beach 05:32 Mon, 2019-10-21
Palo alto 05:32 Mon, 2019-10-21
Monterey Park 05:32 Mon, 2019-10-21
Hacienda Heights 05:32 Mon, 2019-10-21
Rowland Heights 05:32 Mon, 2019-10-21
San jose 05:32 Mon, 2019-10-21
Menlo Park 05:32 Mon, 2019-10-21
Monterey 05:32 Mon, 2019-10-21
Elko 05:32 Mon, 2019-10-21
Morro Bay 05:32 Mon, 2019-10-21
Mountain View 05:32 Mon, 2019-10-21
Mammoth Lakes 05:32 Mon, 2019-10-21
Sausalito 05:32 Mon, 2019-10-21
Solvang 05:32 Mon, 2019-10-21
Big sur 05:32 Mon, 2019-10-21
Lake tahoe 05:32 Mon, 2019-10-21
Big bear lake 05:32 Mon, 2019-10-21
Mojave 05:32 Mon, 2019-10-21
Camarillo 05:32 Mon, 2019-10-21
City of El Monte 05:32 Mon, 2019-10-21

MDT (UTC -06:00)

City Time
El Paso 06:32 Mon, 2019-10-21
Denver 06:32 Mon, 2019-10-21
Las Vegas NM 06:32 Mon, 2019-10-21
Albuquerque 06:32 Mon, 2019-10-21
Colorado springs 06:32 Mon, 2019-10-21
Colorado Springs 06:32 Mon, 2019-10-21
Aurora 06:32 Mon, 2019-10-21
Boise 06:32 Mon, 2019-10-21
Salt Lake City 06:32 Mon, 2019-10-21
Fort Collins 06:32 Mon, 2019-10-21
Lakewood 06:32 Mon, 2019-10-21
West Valley City 06:32 Mon, 2019-10-21
Provo 06:32 Mon, 2019-10-21
City Time
Missoula 06:32 Mon, 2019-10-21
West Jordan 06:32 Mon, 2019-10-21
Pueblo 06:32 Mon, 2019-10-21
City of Arvada 06:32 Mon, 2019-10-21
City of Westminster 06:32 Mon, 2019-10-21
Billings 06:32 Mon, 2019-10-21
Boulder 06:32 Mon, 2019-10-21
Santa fe 06:32 Mon, 2019-10-21
Idaho Falls 06:32 Mon, 2019-10-21
Bozeman 06:32 Mon, 2019-10-21
Moab 06:32 Mon, 2019-10-21
Panguitch 06:32 Mon, 2019-10-21
Kanab 06:32 Mon, 2019-10-21

CDT (UTC -05:00)

City Time
Chicago 07:32 Mon, 2019-10-21
Kansas City metropolitan area 07:32 Mon, 2019-10-21
Houston 07:32 Mon, 2019-10-21
San Antonio 07:32 Mon, 2019-10-21
Dallas 07:32 Mon, 2019-10-21
Austin 07:32 Mon, 2019-10-21
Fort Worth 07:32 Mon, 2019-10-21
Nashville 07:32 Mon, 2019-10-21
Memphis 07:32 Mon, 2019-10-21
Milwaukee 07:32 Mon, 2019-10-21
Oklahoma City 07:32 Mon, 2019-10-21
Omaha 07:32 Mon, 2019-10-21
Tulsa 07:32 Mon, 2019-10-21
New Orleans 07:32 Mon, 2019-10-21
Minneapolis 07:32 Mon, 2019-10-21
Wichita 07:32 Mon, 2019-10-21
Arlington 07:32 Mon, 2019-10-21
St louis 07:32 Mon, 2019-10-21
St. Louis 07:32 Mon, 2019-10-21
Corpus Christi 07:32 Mon, 2019-10-21
Saint Paul 07:32 Mon, 2019-10-21
Plano 07:32 Mon, 2019-10-21
Lincoln 07:32 Mon, 2019-10-21
Lubbock 07:32 Mon, 2019-10-21
Laredo 07:32 Mon, 2019-10-21
Madison 07:32 Mon, 2019-10-21
Baton Rouge 07:32 Mon, 2019-10-21
Garland 07:32 Mon, 2019-10-21
Irving 07:32 Mon, 2019-10-21
Birmingham 07:32 Mon, 2019-10-21
Montgomery 07:32 Mon, 2019-10-21
Des Moines 07:32 Mon, 2019-10-21
Amarillo 07:32 Mon, 2019-10-21
Shreveport 07:32 Mon, 2019-10-21
Mobile 07:32 Mon, 2019-10-21
City Time
Little Rock 07:32 Mon, 2019-10-21
Brownsville 07:32 Mon, 2019-10-21
Huntsville 07:32 Mon, 2019-10-21
Grand Prairie 07:32 Mon, 2019-10-21
Jackson 07:32 Mon, 2019-10-21
Overland Park 07:32 Mon, 2019-10-21
Springfield, Missouri 07:32 Mon, 2019-10-21
Sioux Falls 07:32 Mon, 2019-10-21
Mesquite 07:32 Mon, 2019-10-21
Clarksville 07:32 Mon, 2019-10-21
Waco 07:32 Mon, 2019-10-21
McAllen 07:32 Mon, 2019-10-21
Topeka 07:32 Mon, 2019-10-21
Carrollton 07:32 Mon, 2019-10-21
Cedar Rapids 07:32 Mon, 2019-10-21
Lafayette 07:32 Mon, 2019-10-21
Beaumont 07:32 Mon, 2019-10-21
Evansville 07:32 Mon, 2019-10-21
Abilene 07:32 Mon, 2019-10-21
Independence 07:32 Mon, 2019-10-21
Norman 07:32 Mon, 2019-10-21
Murfreesboro 07:32 Mon, 2019-10-21
Columbia 07:32 Mon, 2019-10-21
Rochester, Minnesota 07:32 Mon, 2019-10-21
Wichita Falls 07:32 Mon, 2019-10-21
Green Bay 07:32 Mon, 2019-10-21
Davenport 07:32 Mon, 2019-10-21
City of Gary 07:32 Mon, 2019-10-21
Bismarck, North Dakota 07:32 Mon, 2019-10-21
Menominee, Michigan 07:32 Mon, 2019-10-21
Tell City, Indiana 07:32 Mon, 2019-10-21
Beulah, North Dakota 07:32 Mon, 2019-10-21
New Salem, North Dakota 07:32 Mon, 2019-10-21
Rainy River, Ontario 07:32 Mon, 2019-10-21

AST (UTC -04:00)

City Time
Ponce 08:32 Mon, 2019-10-21

EDT (UTC -04:00)

City Time
New York City 08:32 Mon, 2019-10-21
Atlanta 08:32 Mon, 2019-10-21
Detroit 08:32 Mon, 2019-10-21
Philadelphia 08:32 Mon, 2019-10-21
Bronx 08:32 Mon, 2019-10-21
Jacksonville 08:32 Mon, 2019-10-21
Indianapolis 08:32 Mon, 2019-10-21
Charlotte 08:32 Mon, 2019-10-21
Columbus, Ohio 08:32 Mon, 2019-10-21
Louisville 08:32 Mon, 2019-10-21
Washington 08:32 Mon, 2019-10-21
Boston 08:32 Mon, 2019-10-21
Baltimore 08:32 Mon, 2019-10-21
Raleigh 08:32 Mon, 2019-10-21
Virginia beach 08:32 Mon, 2019-10-21
Miami Beach 08:32 Mon, 2019-10-21
Miami 08:32 Mon, 2019-10-21
Cleveland 08:32 Mon, 2019-10-21
Tampa 08:32 Mon, 2019-10-21
Lexington 08:32 Mon, 2019-10-21
Pittsburgh 08:32 Mon, 2019-10-21
Cincinnati 08:32 Mon, 2019-10-21
Toledo 08:32 Mon, 2019-10-21
Greensboro 08:32 Mon, 2019-10-21
Newark 08:32 Mon, 2019-10-21
Buffalo 08:32 Mon, 2019-10-21
St. Petersburg 08:32 Mon, 2019-10-21
Fort Wayne 08:32 Mon, 2019-10-21
Durham 08:32 Mon, 2019-10-21
Jersey City 08:32 Mon, 2019-10-21
Winston-Salem 08:32 Mon, 2019-10-21
Orlando 08:32 Mon, 2019-10-21
Arlington County 08:32 Mon, 2019-10-21
Hialeah 08:32 Mon, 2019-10-21
Richmond 08:32 Mon, 2019-10-21
Rochester, New York 08:32 Mon, 2019-10-21
Fayetteville 08:32 Mon, 2019-10-21
Yonkers 08:32 Mon, 2019-10-21
Akron 08:32 Mon, 2019-10-21
Augusta 08:32 Mon, 2019-10-21
Grand Rapids 08:32 Mon, 2019-10-21
Columbus, Georgia 08:32 Mon, 2019-10-21
Worcester 08:32 Mon, 2019-10-21
Tallahassee 08:32 Mon, 2019-10-21
Knoxville 08:32 Mon, 2019-10-21
Providence 08:32 Mon, 2019-10-21
City Time
Chattanooga 08:32 Mon, 2019-10-21
City of Cape Coral 08:32 Mon, 2019-10-21
Fort Lauderdale 08:32 Mon, 2019-10-21
City of Pembroke Pines 08:32 Mon, 2019-10-21
Springfield, Massachusetts 08:32 Mon, 2019-10-21
Savannah 08:32 Mon, 2019-10-21
Syracuse 08:32 Mon, 2019-10-21
Bridgeport 08:32 Mon, 2019-10-21
Dayton 08:32 Mon, 2019-10-21
Alexandria 08:32 Mon, 2019-10-21
Warren 08:32 Mon, 2019-10-21
New Haven 08:32 Mon, 2019-10-21
Sterling Heights 08:32 Mon, 2019-10-21
Columbia, South Carolina 08:32 Mon, 2019-10-21
Stamford 08:32 Mon, 2019-10-21
Elizabeth 08:32 Mon, 2019-10-21
Hartford 08:32 Mon, 2019-10-21
Coral Springs 08:32 Mon, 2019-10-21
Allentown 08:32 Mon, 2019-10-21
Charleston 08:32 Mon, 2019-10-21
Athens 08:32 Mon, 2019-10-21
Lansing 08:32 Mon, 2019-10-21
Ann Arbor 08:32 Mon, 2019-10-21
City of Lowell 08:32 Mon, 2019-10-21
Cambridge 08:32 Mon, 2019-10-21
Manchester 08:32 Mon, 2019-10-21
Waterbury 08:32 Mon, 2019-10-21
Clearwater 08:32 Mon, 2019-10-21
Miami Gardens 08:32 Mon, 2019-10-21
Flint 08:32 Mon, 2019-10-21
South Bend 08:32 Mon, 2019-10-21
Livonia 08:32 Mon, 2019-10-21
Charlottesville 08:32 Mon, 2019-10-21
Annapolis 08:32 Mon, 2019-10-21
New London 08:32 Mon, 2019-10-21
Vincennes, Indiana 08:32 Mon, 2019-10-21
Florida City 08:32 Mon, 2019-10-21
Monticello, Kentucky 08:32 Mon, 2019-10-21
Knox, Indiana 08:32 Mon, 2019-10-21
Cape Cod 08:32 Mon, 2019-10-21
Winamac, Indiana 08:32 Mon, 2019-10-21
Vevay, Indiana 08:32 Mon, 2019-10-21
Ocean city 08:32 Mon, 2019-10-21
Marengo, Indiana 08:32 Mon, 2019-10-21
Niagara falls 08:32 Mon, 2019-10-21