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 16:37 Sun, 2018-06-17
UTC -10:00 HST Honolulu 17:37 Sun, 2018-06-17
UTC -09:00 HDT Adak, Alaska 18:37 Sun, 2018-06-17
UTC -08:00 AKDT Anchorage 19:37 Sun, 2018-06-17
UTC -07:00 MST Phoenix 20:37 Sun, 2018-06-17
UTC -07:00 PDT Los Angeles 20:37 Sun, 2018-06-17
UTC -06:00 MDT El Paso 21:37 Sun, 2018-06-17
UTC -05:00 CDT Chicago 22:37 Sun, 2018-06-17
UTC -04:00 AST Ponce 23:37 Sun, 2018-06-17
UTC -04:00 EDT New York City 23:37 Sun, 2018-06-17

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 16:37 Sun, 2018-06-17

HST (UTC -10:00)

City Time
Honolulu 17:37 Sun, 2018-06-17
City Time
Hilo 17:37 Sun, 2018-06-17

HDT (UTC -09:00)

City Time
Adak, Alaska 18:37 Sun, 2018-06-17

AKDT (UTC -08:00)

City Time
Anchorage 19:37 Sun, 2018-06-17
Fairbanks 19:37 Sun, 2018-06-17
Juneau, Alaska 19:37 Sun, 2018-06-17
Sitka, Alaska 19:37 Sun, 2018-06-17
Valdez 19:37 Sun, 2018-06-17
City Time
Nome, Alaska 19:37 Sun, 2018-06-17
Seward 19:37 Sun, 2018-06-17
Metlakatla, Alaska 19:37 Sun, 2018-06-17
Yakutat 19:37 Sun, 2018-06-17

MST (UTC -07:00)

City Time
Phoenix 20:37 Sun, 2018-06-17
Tucson 20:37 Sun, 2018-06-17
Mesa 20:37 Sun, 2018-06-17
Chandler 20:37 Sun, 2018-06-17
Glendale, Arizona 20:37 Sun, 2018-06-17
City Time
Scottsdale 20:37 Sun, 2018-06-17
Gilbert 20:37 Sun, 2018-06-17
Tempe 20:37 Sun, 2018-06-17
Peoria 20:37 Sun, 2018-06-17
Flagstaff 20:37 Sun, 2018-06-17

PDT (UTC -07:00)

City Time
Los Angeles 20:37 Sun, 2018-06-17
San diego 20:37 Sun, 2018-06-17
San Diego 20:37 Sun, 2018-06-17
San Jose 20:37 Sun, 2018-06-17
San Gabriel 20:37 Sun, 2018-06-17
San Francisco 20:37 Sun, 2018-06-17
Seattle 20:37 Sun, 2018-06-17
Portland 20:37 Sun, 2018-06-17
Las Vegas 20:37 Sun, 2018-06-17
Fresno 20:37 Sun, 2018-06-17
Sacramento 20:37 Sun, 2018-06-17
Long Beach 20:37 Sun, 2018-06-17
Oakland 20:37 Sun, 2018-06-17
Bakersfield 20:37 Sun, 2018-06-17
Anaheim 20:37 Sun, 2018-06-17
Santa Ana 20:37 Sun, 2018-06-17
Stockton 20:37 Sun, 2018-06-17
Riverside 20:37 Sun, 2018-06-17
Irvine 20:37 Sun, 2018-06-17
Henderson 20:37 Sun, 2018-06-17
Chula Vista 20:37 Sun, 2018-06-17
North Las Vegas 20:37 Sun, 2018-06-17
Reno 20:37 Sun, 2018-06-17
Paradise 20:37 Sun, 2018-06-17
Fremont 20:37 Sun, 2018-06-17
Santa Clarita 20:37 Sun, 2018-06-17
San Bernardino 20:37 Sun, 2018-06-17
Spokane 20:37 Sun, 2018-06-17
Oxnard 20:37 Sun, 2018-06-17
Fontana 20:37 Sun, 2018-06-17
Modesto 20:37 Sun, 2018-06-17
Tacoma 20:37 Sun, 2018-06-17
Moreno Valley 20:37 Sun, 2018-06-17
Glendale, California 20:37 Sun, 2018-06-17
Huntington Beach 20:37 Sun, 2018-06-17
Garden Grove 20:37 Sun, 2018-06-17
Santa Rosa 20:37 Sun, 2018-06-17
Oceanside 20:37 Sun, 2018-06-17
Ontario 20:37 Sun, 2018-06-17
Rancho Cucamonga 20:37 Sun, 2018-06-17
Vancouver 20:37 Sun, 2018-06-17
Corona 20:37 Sun, 2018-06-17
Lancaster 20:37 Sun, 2018-06-17
Eugene 20:37 Sun, 2018-06-17
Salem 20:37 Sun, 2018-06-17
Elk Grove 20:37 Sun, 2018-06-17
Palmdale 20:37 Sun, 2018-06-17
City Time
Salinas 20:37 Sun, 2018-06-17
Hayward 20:37 Sun, 2018-06-17
Pomona 20:37 Sun, 2018-06-17
Torrance 20:37 Sun, 2018-06-17
Escondido 20:37 Sun, 2018-06-17
Sunnyvale 20:37 Sun, 2018-06-17
Pasadena 20:37 Sun, 2018-06-17
Orange 20:37 Sun, 2018-06-17
Fullerton 20:37 Sun, 2018-06-17
Thousand Oaks 20:37 Sun, 2018-06-17
Simi Valley 20:37 Sun, 2018-06-17
Bellevue 20:37 Sun, 2018-06-17
Concord 20:37 Sun, 2018-06-17
Santa Clara 20:37 Sun, 2018-06-17
City of Vallejo 20:37 Sun, 2018-06-17
City of Berkeley 20:37 Sun, 2018-06-17
Downey 20:37 Sun, 2018-06-17
Costa Mesa 20:37 Sun, 2018-06-17
Inglewood 20:37 Sun, 2018-06-17
Ventura 20:37 Sun, 2018-06-17
West Covina 20:37 Sun, 2018-06-17
Norwalk 20:37 Sun, 2018-06-17
Burbank 20:37 Sun, 2018-06-17
Daly City 20:37 Sun, 2018-06-17
Santa Maria,CA 20:37 Sun, 2018-06-17
Santa Maria 20:37 Sun, 2018-06-17
Newport beach 20:37 Sun, 2018-06-17
Palo alto 20:37 Sun, 2018-06-17
Monterey Park 20:37 Sun, 2018-06-17
Hacienda Heights 20:37 Sun, 2018-06-17
Rowland Heights 20:37 Sun, 2018-06-17
San jose 20:37 Sun, 2018-06-17
Menlo Park 20:37 Sun, 2018-06-17
Monterey 20:37 Sun, 2018-06-17
Elko 20:37 Sun, 2018-06-17
Morro Bay 20:37 Sun, 2018-06-17
Mountain View 20:37 Sun, 2018-06-17
Mammoth Lakes 20:37 Sun, 2018-06-17
Sausalito 20:37 Sun, 2018-06-17
Solvang 20:37 Sun, 2018-06-17
Big sur 20:37 Sun, 2018-06-17
Lake tahoe 20:37 Sun, 2018-06-17
Big bear lake 20:37 Sun, 2018-06-17
Mojave 20:37 Sun, 2018-06-17
Camarillo 20:37 Sun, 2018-06-17
City of El Monte 20:37 Sun, 2018-06-17

MDT (UTC -06:00)

City Time
El Paso 21:37 Sun, 2018-06-17
Denver 21:37 Sun, 2018-06-17
Las Vegas NM 21:37 Sun, 2018-06-17
Albuquerque 21:37 Sun, 2018-06-17
Colorado springs 21:37 Sun, 2018-06-17
Colorado Springs 21:37 Sun, 2018-06-17
Aurora 21:37 Sun, 2018-06-17
Boise 21:37 Sun, 2018-06-17
Salt Lake City 21:37 Sun, 2018-06-17
Fort Collins 21:37 Sun, 2018-06-17
Lakewood 21:37 Sun, 2018-06-17
West Valley City 21:37 Sun, 2018-06-17
Provo 21:37 Sun, 2018-06-17
City Time
Missoula 21:37 Sun, 2018-06-17
West Jordan 21:37 Sun, 2018-06-17
Pueblo 21:37 Sun, 2018-06-17
City of Arvada 21:37 Sun, 2018-06-17
City of Westminster 21:37 Sun, 2018-06-17
Billings 21:37 Sun, 2018-06-17
Boulder 21:37 Sun, 2018-06-17
Santa fe 21:37 Sun, 2018-06-17
Idaho Falls 21:37 Sun, 2018-06-17
Bozeman 21:37 Sun, 2018-06-17
Moab 21:37 Sun, 2018-06-17
Panguitch 21:37 Sun, 2018-06-17
Kanab 21:37 Sun, 2018-06-17

CDT (UTC -05:00)

City Time
Chicago 22:37 Sun, 2018-06-17
Kansas City metropolitan area 22:37 Sun, 2018-06-17
Houston 22:37 Sun, 2018-06-17
San Antonio 22:37 Sun, 2018-06-17
Dallas 22:37 Sun, 2018-06-17
Austin 22:37 Sun, 2018-06-17
Fort Worth 22:37 Sun, 2018-06-17
Nashville 22:37 Sun, 2018-06-17
Memphis 22:37 Sun, 2018-06-17
Milwaukee 22:37 Sun, 2018-06-17
Oklahoma City 22:37 Sun, 2018-06-17
Omaha 22:37 Sun, 2018-06-17
Tulsa 22:37 Sun, 2018-06-17
New Orleans 22:37 Sun, 2018-06-17
Minneapolis 22:37 Sun, 2018-06-17
Wichita 22:37 Sun, 2018-06-17
Arlington 22:37 Sun, 2018-06-17
St louis 22:37 Sun, 2018-06-17
St. Louis 22:37 Sun, 2018-06-17
Corpus Christi 22:37 Sun, 2018-06-17
Saint Paul 22:37 Sun, 2018-06-17
Plano 22:37 Sun, 2018-06-17
Lincoln 22:37 Sun, 2018-06-17
Lubbock 22:37 Sun, 2018-06-17
Laredo 22:37 Sun, 2018-06-17
Madison 22:37 Sun, 2018-06-17
Baton Rouge 22:37 Sun, 2018-06-17
Garland 22:37 Sun, 2018-06-17
Irving 22:37 Sun, 2018-06-17
Birmingham 22:37 Sun, 2018-06-17
Montgomery 22:37 Sun, 2018-06-17
Des Moines 22:37 Sun, 2018-06-17
Amarillo 22:37 Sun, 2018-06-17
Shreveport 22:37 Sun, 2018-06-17
Mobile 22:37 Sun, 2018-06-17
City Time
Little Rock 22:37 Sun, 2018-06-17
Brownsville 22:37 Sun, 2018-06-17
Huntsville 22:37 Sun, 2018-06-17
Grand Prairie 22:37 Sun, 2018-06-17
Jackson 22:37 Sun, 2018-06-17
Overland Park 22:37 Sun, 2018-06-17
Springfield, Missouri 22:37 Sun, 2018-06-17
Sioux Falls 22:37 Sun, 2018-06-17
Mesquite 22:37 Sun, 2018-06-17
Clarksville 22:37 Sun, 2018-06-17
Waco 22:37 Sun, 2018-06-17
McAllen 22:37 Sun, 2018-06-17
Topeka 22:37 Sun, 2018-06-17
Carrollton 22:37 Sun, 2018-06-17
Cedar Rapids 22:37 Sun, 2018-06-17
Lafayette 22:37 Sun, 2018-06-17
Beaumont 22:37 Sun, 2018-06-17
Evansville 22:37 Sun, 2018-06-17
Abilene 22:37 Sun, 2018-06-17
Independence 22:37 Sun, 2018-06-17
Norman 22:37 Sun, 2018-06-17
Murfreesboro 22:37 Sun, 2018-06-17
Columbia 22:37 Sun, 2018-06-17
Rochester, Minnesota 22:37 Sun, 2018-06-17
Wichita Falls 22:37 Sun, 2018-06-17
Green Bay 22:37 Sun, 2018-06-17
Davenport 22:37 Sun, 2018-06-17
City of Gary 22:37 Sun, 2018-06-17
Bismarck, North Dakota 22:37 Sun, 2018-06-17
Menominee, Michigan 22:37 Sun, 2018-06-17
Tell City, Indiana 22:37 Sun, 2018-06-17
Beulah, North Dakota 22:37 Sun, 2018-06-17
New Salem, North Dakota 22:37 Sun, 2018-06-17
Rainy River, Ontario 22:37 Sun, 2018-06-17

AST (UTC -04:00)

City Time
Ponce 23:37 Sun, 2018-06-17

EDT (UTC -04:00)

City Time
New York City 23:37 Sun, 2018-06-17
Atlanta 23:37 Sun, 2018-06-17
Detroit 23:37 Sun, 2018-06-17
Philadelphia 23:37 Sun, 2018-06-17
Bronx 23:37 Sun, 2018-06-17
Jacksonville 23:37 Sun, 2018-06-17
Indianapolis 23:37 Sun, 2018-06-17
Charlotte 23:37 Sun, 2018-06-17
Columbus, Ohio 23:37 Sun, 2018-06-17
Louisville 23:37 Sun, 2018-06-17
Washington 23:37 Sun, 2018-06-17
Boston 23:37 Sun, 2018-06-17
Baltimore 23:37 Sun, 2018-06-17
Raleigh 23:37 Sun, 2018-06-17
Virginia beach 23:37 Sun, 2018-06-17
Miami Beach 23:37 Sun, 2018-06-17
Miami 23:37 Sun, 2018-06-17
Cleveland 23:37 Sun, 2018-06-17
Tampa 23:37 Sun, 2018-06-17
Lexington 23:37 Sun, 2018-06-17
Pittsburgh 23:37 Sun, 2018-06-17
Cincinnati 23:37 Sun, 2018-06-17
Toledo 23:37 Sun, 2018-06-17
Greensboro 23:37 Sun, 2018-06-17
Newark 23:37 Sun, 2018-06-17
Buffalo 23:37 Sun, 2018-06-17
St. Petersburg 23:37 Sun, 2018-06-17
Fort Wayne 23:37 Sun, 2018-06-17
Durham 23:37 Sun, 2018-06-17
Jersey City 23:37 Sun, 2018-06-17
Winston-Salem 23:37 Sun, 2018-06-17
Orlando 23:37 Sun, 2018-06-17
Arlington County 23:37 Sun, 2018-06-17
Hialeah 23:37 Sun, 2018-06-17
Richmond 23:37 Sun, 2018-06-17
Rochester, New York 23:37 Sun, 2018-06-17
Fayetteville 23:37 Sun, 2018-06-17
Yonkers 23:37 Sun, 2018-06-17
Akron 23:37 Sun, 2018-06-17
Augusta 23:37 Sun, 2018-06-17
Grand Rapids 23:37 Sun, 2018-06-17
Columbus, Georgia 23:37 Sun, 2018-06-17
Worcester 23:37 Sun, 2018-06-17
Tallahassee 23:37 Sun, 2018-06-17
Knoxville 23:37 Sun, 2018-06-17
Providence 23:37 Sun, 2018-06-17
City Time
Chattanooga 23:37 Sun, 2018-06-17
City of Cape Coral 23:37 Sun, 2018-06-17
Fort Lauderdale 23:37 Sun, 2018-06-17
City of Pembroke Pines 23:37 Sun, 2018-06-17
Springfield, Massachusetts 23:37 Sun, 2018-06-17
Savannah 23:37 Sun, 2018-06-17
Syracuse 23:37 Sun, 2018-06-17
Bridgeport 23:37 Sun, 2018-06-17
Dayton 23:37 Sun, 2018-06-17
Alexandria 23:37 Sun, 2018-06-17
Warren 23:37 Sun, 2018-06-17
New Haven 23:37 Sun, 2018-06-17
Sterling Heights 23:37 Sun, 2018-06-17
Columbia, South Carolina 23:37 Sun, 2018-06-17
Stamford 23:37 Sun, 2018-06-17
Elizabeth 23:37 Sun, 2018-06-17
Hartford 23:37 Sun, 2018-06-17
Coral Springs 23:37 Sun, 2018-06-17
Allentown 23:37 Sun, 2018-06-17
Charleston 23:37 Sun, 2018-06-17
Athens 23:37 Sun, 2018-06-17
Lansing 23:37 Sun, 2018-06-17
Ann Arbor 23:37 Sun, 2018-06-17
City of Lowell 23:37 Sun, 2018-06-17
Cambridge 23:37 Sun, 2018-06-17
Manchester 23:37 Sun, 2018-06-17
Waterbury 23:37 Sun, 2018-06-17
Clearwater 23:37 Sun, 2018-06-17
Miami Gardens 23:37 Sun, 2018-06-17
Flint 23:37 Sun, 2018-06-17
South Bend 23:37 Sun, 2018-06-17
Livonia 23:37 Sun, 2018-06-17
Charlottesville 23:37 Sun, 2018-06-17
Annapolis 23:37 Sun, 2018-06-17
New London 23:37 Sun, 2018-06-17
Vincennes, Indiana 23:37 Sun, 2018-06-17
Florida City 23:37 Sun, 2018-06-17
Monticello, Kentucky 23:37 Sun, 2018-06-17
Knox, Indiana 23:37 Sun, 2018-06-17
Cape Cod 23:37 Sun, 2018-06-17
Winamac, Indiana 23:37 Sun, 2018-06-17
Vevay, Indiana 23:37 Sun, 2018-06-17
Ocean city 23:37 Sun, 2018-06-17
Marengo, Indiana 23:37 Sun, 2018-06-17
Niagara falls 23:37 Sun, 2018-06-17