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 13:39 Fri, 2018-08-17
UTC -10:00 HST Honolulu 14:39 Fri, 2018-08-17
UTC -09:00 HDT Adak, Alaska 15:39 Fri, 2018-08-17
UTC -08:00 AKDT Anchorage 16:39 Fri, 2018-08-17
UTC -07:00 MST Phoenix 17:39 Fri, 2018-08-17
UTC -07:00 PDT Los Angeles 17:39 Fri, 2018-08-17
UTC -06:00 MDT El Paso 18:39 Fri, 2018-08-17
UTC -05:00 CDT Chicago 19:39 Fri, 2018-08-17
UTC -04:00 AST Ponce 20:39 Fri, 2018-08-17
UTC -04:00 EDT New York City 20:39 Fri, 2018-08-17

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 13:39 Fri, 2018-08-17

HST (UTC -10:00)

City Time
Honolulu 14:39 Fri, 2018-08-17
City Time
Hilo 14:39 Fri, 2018-08-17

HDT (UTC -09:00)

City Time
Adak, Alaska 15:39 Fri, 2018-08-17

AKDT (UTC -08:00)

City Time
Anchorage 16:39 Fri, 2018-08-17
Fairbanks 16:39 Fri, 2018-08-17
Juneau, Alaska 16:39 Fri, 2018-08-17
Sitka, Alaska 16:39 Fri, 2018-08-17
Valdez 16:39 Fri, 2018-08-17
City Time
Nome, Alaska 16:39 Fri, 2018-08-17
Seward 16:39 Fri, 2018-08-17
Metlakatla, Alaska 16:39 Fri, 2018-08-17
Yakutat 16:39 Fri, 2018-08-17

MST (UTC -07:00)

City Time
Phoenix 17:39 Fri, 2018-08-17
Tucson 17:39 Fri, 2018-08-17
Mesa 17:39 Fri, 2018-08-17
Chandler 17:39 Fri, 2018-08-17
Glendale, Arizona 17:39 Fri, 2018-08-17
City Time
Scottsdale 17:39 Fri, 2018-08-17
Gilbert 17:39 Fri, 2018-08-17
Tempe 17:39 Fri, 2018-08-17
Peoria 17:39 Fri, 2018-08-17
Flagstaff 17:39 Fri, 2018-08-17

PDT (UTC -07:00)

City Time
Los Angeles 17:39 Fri, 2018-08-17
San diego 17:39 Fri, 2018-08-17
San Diego 17:39 Fri, 2018-08-17
San Jose 17:39 Fri, 2018-08-17
San Gabriel 17:39 Fri, 2018-08-17
San Francisco 17:39 Fri, 2018-08-17
Seattle 17:39 Fri, 2018-08-17
Portland 17:39 Fri, 2018-08-17
Las Vegas 17:39 Fri, 2018-08-17
Fresno 17:39 Fri, 2018-08-17
Sacramento 17:39 Fri, 2018-08-17
Long Beach 17:39 Fri, 2018-08-17
Oakland 17:39 Fri, 2018-08-17
Bakersfield 17:39 Fri, 2018-08-17
Anaheim 17:39 Fri, 2018-08-17
Santa Ana 17:39 Fri, 2018-08-17
Stockton 17:39 Fri, 2018-08-17
Riverside 17:39 Fri, 2018-08-17
Irvine 17:39 Fri, 2018-08-17
Henderson 17:39 Fri, 2018-08-17
Chula Vista 17:39 Fri, 2018-08-17
North Las Vegas 17:39 Fri, 2018-08-17
Reno 17:39 Fri, 2018-08-17
Paradise 17:39 Fri, 2018-08-17
Fremont 17:39 Fri, 2018-08-17
Santa Clarita 17:39 Fri, 2018-08-17
San Bernardino 17:39 Fri, 2018-08-17
Spokane 17:39 Fri, 2018-08-17
Oxnard 17:39 Fri, 2018-08-17
Fontana 17:39 Fri, 2018-08-17
Modesto 17:39 Fri, 2018-08-17
Tacoma 17:39 Fri, 2018-08-17
Moreno Valley 17:39 Fri, 2018-08-17
Glendale, California 17:39 Fri, 2018-08-17
Huntington Beach 17:39 Fri, 2018-08-17
Garden Grove 17:39 Fri, 2018-08-17
Santa Rosa 17:39 Fri, 2018-08-17
Oceanside 17:39 Fri, 2018-08-17
Ontario 17:39 Fri, 2018-08-17
Rancho Cucamonga 17:39 Fri, 2018-08-17
Vancouver 17:39 Fri, 2018-08-17
Corona 17:39 Fri, 2018-08-17
Lancaster 17:39 Fri, 2018-08-17
Eugene 17:39 Fri, 2018-08-17
Salem 17:39 Fri, 2018-08-17
Elk Grove 17:39 Fri, 2018-08-17
Palmdale 17:39 Fri, 2018-08-17
City Time
Salinas 17:39 Fri, 2018-08-17
Hayward 17:39 Fri, 2018-08-17
Pomona 17:39 Fri, 2018-08-17
Torrance 17:39 Fri, 2018-08-17
Escondido 17:39 Fri, 2018-08-17
Sunnyvale 17:39 Fri, 2018-08-17
Pasadena 17:39 Fri, 2018-08-17
Orange 17:39 Fri, 2018-08-17
Fullerton 17:39 Fri, 2018-08-17
Thousand Oaks 17:39 Fri, 2018-08-17
Simi Valley 17:39 Fri, 2018-08-17
Bellevue 17:39 Fri, 2018-08-17
Concord 17:39 Fri, 2018-08-17
Santa Clara 17:39 Fri, 2018-08-17
City of Vallejo 17:39 Fri, 2018-08-17
City of Berkeley 17:39 Fri, 2018-08-17
Downey 17:39 Fri, 2018-08-17
Costa Mesa 17:39 Fri, 2018-08-17
Inglewood 17:39 Fri, 2018-08-17
Ventura 17:39 Fri, 2018-08-17
West Covina 17:39 Fri, 2018-08-17
Norwalk 17:39 Fri, 2018-08-17
Burbank 17:39 Fri, 2018-08-17
Daly City 17:39 Fri, 2018-08-17
Santa Maria,CA 17:39 Fri, 2018-08-17
Santa Maria 17:39 Fri, 2018-08-17
Newport beach 17:39 Fri, 2018-08-17
Palo alto 17:39 Fri, 2018-08-17
Monterey Park 17:39 Fri, 2018-08-17
Hacienda Heights 17:39 Fri, 2018-08-17
Rowland Heights 17:39 Fri, 2018-08-17
San jose 17:39 Fri, 2018-08-17
Menlo Park 17:39 Fri, 2018-08-17
Monterey 17:39 Fri, 2018-08-17
Elko 17:39 Fri, 2018-08-17
Morro Bay 17:39 Fri, 2018-08-17
Mountain View 17:39 Fri, 2018-08-17
Mammoth Lakes 17:39 Fri, 2018-08-17
Sausalito 17:39 Fri, 2018-08-17
Solvang 17:39 Fri, 2018-08-17
Big sur 17:39 Fri, 2018-08-17
Lake tahoe 17:39 Fri, 2018-08-17
Big bear lake 17:39 Fri, 2018-08-17
Mojave 17:39 Fri, 2018-08-17
Camarillo 17:39 Fri, 2018-08-17
City of El Monte 17:39 Fri, 2018-08-17

MDT (UTC -06:00)

City Time
El Paso 18:39 Fri, 2018-08-17
Denver 18:39 Fri, 2018-08-17
Las Vegas NM 18:39 Fri, 2018-08-17
Albuquerque 18:39 Fri, 2018-08-17
Colorado springs 18:39 Fri, 2018-08-17
Colorado Springs 18:39 Fri, 2018-08-17
Aurora 18:39 Fri, 2018-08-17
Boise 18:39 Fri, 2018-08-17
Salt Lake City 18:39 Fri, 2018-08-17
Fort Collins 18:39 Fri, 2018-08-17
Lakewood 18:39 Fri, 2018-08-17
West Valley City 18:39 Fri, 2018-08-17
Provo 18:39 Fri, 2018-08-17
City Time
Missoula 18:39 Fri, 2018-08-17
West Jordan 18:39 Fri, 2018-08-17
Pueblo 18:39 Fri, 2018-08-17
City of Arvada 18:39 Fri, 2018-08-17
City of Westminster 18:39 Fri, 2018-08-17
Billings 18:39 Fri, 2018-08-17
Boulder 18:39 Fri, 2018-08-17
Santa fe 18:39 Fri, 2018-08-17
Idaho Falls 18:39 Fri, 2018-08-17
Bozeman 18:39 Fri, 2018-08-17
Moab 18:39 Fri, 2018-08-17
Panguitch 18:39 Fri, 2018-08-17
Kanab 18:39 Fri, 2018-08-17

CDT (UTC -05:00)

City Time
Chicago 19:39 Fri, 2018-08-17
Kansas City metropolitan area 19:39 Fri, 2018-08-17
Houston 19:39 Fri, 2018-08-17
San Antonio 19:39 Fri, 2018-08-17
Dallas 19:39 Fri, 2018-08-17
Austin 19:39 Fri, 2018-08-17
Fort Worth 19:39 Fri, 2018-08-17
Nashville 19:39 Fri, 2018-08-17
Memphis 19:39 Fri, 2018-08-17
Milwaukee 19:39 Fri, 2018-08-17
Oklahoma City 19:39 Fri, 2018-08-17
Omaha 19:39 Fri, 2018-08-17
Tulsa 19:39 Fri, 2018-08-17
New Orleans 19:39 Fri, 2018-08-17
Minneapolis 19:39 Fri, 2018-08-17
Wichita 19:39 Fri, 2018-08-17
Arlington 19:39 Fri, 2018-08-17
St louis 19:39 Fri, 2018-08-17
St. Louis 19:39 Fri, 2018-08-17
Corpus Christi 19:39 Fri, 2018-08-17
Saint Paul 19:39 Fri, 2018-08-17
Plano 19:39 Fri, 2018-08-17
Lincoln 19:39 Fri, 2018-08-17
Lubbock 19:39 Fri, 2018-08-17
Laredo 19:39 Fri, 2018-08-17
Madison 19:39 Fri, 2018-08-17
Baton Rouge 19:39 Fri, 2018-08-17
Garland 19:39 Fri, 2018-08-17
Irving 19:39 Fri, 2018-08-17
Birmingham 19:39 Fri, 2018-08-17
Montgomery 19:39 Fri, 2018-08-17
Des Moines 19:39 Fri, 2018-08-17
Amarillo 19:39 Fri, 2018-08-17
Shreveport 19:39 Fri, 2018-08-17
Mobile 19:39 Fri, 2018-08-17
City Time
Little Rock 19:39 Fri, 2018-08-17
Brownsville 19:39 Fri, 2018-08-17
Huntsville 19:39 Fri, 2018-08-17
Grand Prairie 19:39 Fri, 2018-08-17
Jackson 19:39 Fri, 2018-08-17
Overland Park 19:39 Fri, 2018-08-17
Springfield, Missouri 19:39 Fri, 2018-08-17
Sioux Falls 19:39 Fri, 2018-08-17
Mesquite 19:39 Fri, 2018-08-17
Clarksville 19:39 Fri, 2018-08-17
Waco 19:39 Fri, 2018-08-17
McAllen 19:39 Fri, 2018-08-17
Topeka 19:39 Fri, 2018-08-17
Carrollton 19:39 Fri, 2018-08-17
Cedar Rapids 19:39 Fri, 2018-08-17
Lafayette 19:39 Fri, 2018-08-17
Beaumont 19:39 Fri, 2018-08-17
Evansville 19:39 Fri, 2018-08-17
Abilene 19:39 Fri, 2018-08-17
Independence 19:39 Fri, 2018-08-17
Norman 19:39 Fri, 2018-08-17
Murfreesboro 19:39 Fri, 2018-08-17
Columbia 19:39 Fri, 2018-08-17
Rochester, Minnesota 19:39 Fri, 2018-08-17
Wichita Falls 19:39 Fri, 2018-08-17
Green Bay 19:39 Fri, 2018-08-17
Davenport 19:39 Fri, 2018-08-17
City of Gary 19:39 Fri, 2018-08-17
Bismarck, North Dakota 19:39 Fri, 2018-08-17
Menominee, Michigan 19:39 Fri, 2018-08-17
Tell City, Indiana 19:39 Fri, 2018-08-17
Beulah, North Dakota 19:39 Fri, 2018-08-17
New Salem, North Dakota 19:39 Fri, 2018-08-17
Rainy River, Ontario 19:39 Fri, 2018-08-17

AST (UTC -04:00)

City Time
Ponce 20:39 Fri, 2018-08-17

EDT (UTC -04:00)

City Time
New York City 20:39 Fri, 2018-08-17
Atlanta 20:39 Fri, 2018-08-17
Detroit 20:39 Fri, 2018-08-17
Philadelphia 20:39 Fri, 2018-08-17
Bronx 20:39 Fri, 2018-08-17
Jacksonville 20:39 Fri, 2018-08-17
Indianapolis 20:39 Fri, 2018-08-17
Charlotte 20:39 Fri, 2018-08-17
Columbus, Ohio 20:39 Fri, 2018-08-17
Louisville 20:39 Fri, 2018-08-17
Washington 20:39 Fri, 2018-08-17
Boston 20:39 Fri, 2018-08-17
Baltimore 20:39 Fri, 2018-08-17
Raleigh 20:39 Fri, 2018-08-17
Virginia beach 20:39 Fri, 2018-08-17
Miami Beach 20:39 Fri, 2018-08-17
Miami 20:39 Fri, 2018-08-17
Cleveland 20:39 Fri, 2018-08-17
Tampa 20:39 Fri, 2018-08-17
Lexington 20:39 Fri, 2018-08-17
Pittsburgh 20:39 Fri, 2018-08-17
Cincinnati 20:39 Fri, 2018-08-17
Toledo 20:39 Fri, 2018-08-17
Greensboro 20:39 Fri, 2018-08-17
Newark 20:39 Fri, 2018-08-17
Buffalo 20:39 Fri, 2018-08-17
St. Petersburg 20:39 Fri, 2018-08-17
Fort Wayne 20:39 Fri, 2018-08-17
Durham 20:39 Fri, 2018-08-17
Jersey City 20:39 Fri, 2018-08-17
Winston-Salem 20:39 Fri, 2018-08-17
Orlando 20:39 Fri, 2018-08-17
Arlington County 20:39 Fri, 2018-08-17
Hialeah 20:39 Fri, 2018-08-17
Richmond 20:39 Fri, 2018-08-17
Rochester, New York 20:39 Fri, 2018-08-17
Fayetteville 20:39 Fri, 2018-08-17
Yonkers 20:39 Fri, 2018-08-17
Akron 20:39 Fri, 2018-08-17
Augusta 20:39 Fri, 2018-08-17
Grand Rapids 20:39 Fri, 2018-08-17
Columbus, Georgia 20:39 Fri, 2018-08-17
Worcester 20:39 Fri, 2018-08-17
Tallahassee 20:39 Fri, 2018-08-17
Knoxville 20:39 Fri, 2018-08-17
Providence 20:39 Fri, 2018-08-17
City Time
Chattanooga 20:39 Fri, 2018-08-17
City of Cape Coral 20:39 Fri, 2018-08-17
Fort Lauderdale 20:39 Fri, 2018-08-17
City of Pembroke Pines 20:39 Fri, 2018-08-17
Springfield, Massachusetts 20:39 Fri, 2018-08-17
Savannah 20:39 Fri, 2018-08-17
Syracuse 20:39 Fri, 2018-08-17
Bridgeport 20:39 Fri, 2018-08-17
Dayton 20:39 Fri, 2018-08-17
Alexandria 20:39 Fri, 2018-08-17
Warren 20:39 Fri, 2018-08-17
New Haven 20:39 Fri, 2018-08-17
Sterling Heights 20:39 Fri, 2018-08-17
Columbia, South Carolina 20:39 Fri, 2018-08-17
Stamford 20:39 Fri, 2018-08-17
Elizabeth 20:39 Fri, 2018-08-17
Hartford 20:39 Fri, 2018-08-17
Coral Springs 20:39 Fri, 2018-08-17
Allentown 20:39 Fri, 2018-08-17
Charleston 20:39 Fri, 2018-08-17
Athens 20:39 Fri, 2018-08-17
Lansing 20:39 Fri, 2018-08-17
Ann Arbor 20:39 Fri, 2018-08-17
City of Lowell 20:39 Fri, 2018-08-17
Cambridge 20:39 Fri, 2018-08-17
Manchester 20:39 Fri, 2018-08-17
Waterbury 20:39 Fri, 2018-08-17
Clearwater 20:39 Fri, 2018-08-17
Miami Gardens 20:39 Fri, 2018-08-17
Flint 20:39 Fri, 2018-08-17
South Bend 20:39 Fri, 2018-08-17
Livonia 20:39 Fri, 2018-08-17
Charlottesville 20:39 Fri, 2018-08-17
Annapolis 20:39 Fri, 2018-08-17
New London 20:39 Fri, 2018-08-17
Vincennes, Indiana 20:39 Fri, 2018-08-17
Florida City 20:39 Fri, 2018-08-17
Monticello, Kentucky 20:39 Fri, 2018-08-17
Knox, Indiana 20:39 Fri, 2018-08-17
Cape Cod 20:39 Fri, 2018-08-17
Winamac, Indiana 20:39 Fri, 2018-08-17
Vevay, Indiana 20:39 Fri, 2018-08-17
Ocean city 20:39 Fri, 2018-08-17
Marengo, Indiana 20:39 Fri, 2018-08-17
Niagara falls 20:39 Fri, 2018-08-17