Time differenceUSA › Helena, Montana

Time in Helena, Montana USA

5:54 am

Time zone: MST - Mountain Standard Time
Helena time zone offset: UTC/GMT -7
DST started on: 10 March 2019
DST ended on: 03 November 2019
When DST is observed, MST changes to MDT (Mountain Daylight Time).

Time difference between Helena and other cities and time zones

CityTime difference
Central Time1 hour ahead of Helena
Eastern Time2 hours ahead of Helena
Mountain TimeNo time difference with Helena
Pacific Time1 hour behind Helena
AEST - Australian Eastern Standard Time17 hours ahead of Helena time
CET - Central European Time8 hours ahead of Helena time
GMT - Greenwich Mean Time7 hours ahead of Helena time
HST - Hawaii-Aleutian Standard Time3 hours behind Helena time
IST - India Standard Time12 hours, 30 minutes ahead of Helena time
Abidjan7 hours ahead of Helena
Abu Dhabi11 hours ahead of Helena
Abuja8 hours ahead of Helena
Acapulco1 hour ahead of Helena
Accra7 hours ahead of Helena
Adak3 hours behind Helena
Adamstown1 hour behind Helena
Addis Ababa10 hours ahead of Helena
Adelaide17 hours, 30 minutes ahead of Helena
Aden10 hours ahead of Helena
Agra12 hours, 30 minutes ahead of Helena
Aguascalientes1 hour ahead of Helena
Ahmedabad12 hours, 30 minutes ahead of Helena
Akron2 hours ahead of Helena
Al Jizah9 hours ahead of Helena
Albany2 hours ahead of Helena
AlbuquerqueNo time difference with Helena
Alexandria9 hours ahead of Helena
Algiers8 hours ahead of Helena
Almaty13 hours ahead of Helena
Alofi4 hours behind Helena
Amman9 hours ahead of Helena
Amsterdam8 hours ahead of Helena
Anadyr19 hours ahead of Helena
Anaheim1 hour behind Helena
Anchorage2 hours behind Helena
Andorra La Vella8 hours ahead of Helena
Ankara10 hours ahead of Helena
Anshan15 hours ahead of Helena
Antalya10 hours ahead of Helena
Antananarivo10 hours ahead of Helena
Apia21 hours ahead of Helena
Aqtau12 hours ahead of Helena
Aqtobe12 hours ahead of Helena
Arlington1 hour ahead of Helena
Ashgabat12 hours ahead of Helena
Asmara10 hours ahead of Helena
Astana13 hours ahead of Helena
Asuncion4 hours ahead of Helena
Athens9 hours ahead of Helena
Atlanta2 hours ahead of Helena
Auckland20 hours ahead of Helena
Augusta2 hours ahead of Helena
AuroraNo time difference with Helena
Austin1 hour ahead of Helena
Azores6 hours ahead of Helena
Baghdad10 hours ahead of Helena
Baku11 hours ahead of Helena
Balikpapan15 hours ahead of Helena
Baltimore2 hours ahead of Helena
Bamako7 hours ahead of Helena
Bandar Seri Begawan15 hours ahead of Helena
Bandung14 hours ahead of Helena
Bangalore12 hours, 30 minutes ahead of Helena
Bangkok14 hours ahead of Helena
Bangui8 hours ahead of Helena
Banjul7 hours ahead of Helena
Baotou15 hours ahead of Helena
Barcelona8 hours ahead of Helena
Basel8 hours ahead of Helena
Basra10 hours ahead of Helena
Basse-Terre3 hours ahead of Helena
Basseterre3 hours ahead of Helena
Bastia8 hours ahead of Helena
Baton Rouge1 hour ahead of Helena
Beijing15 hours ahead of Helena
Beirut9 hours ahead of Helena
Belfast7 hours ahead of Helena
Belgrade8 hours ahead of Helena
Belmopan1 hour ahead of Helena
Berlin8 hours ahead of Helena
Bern8 hours ahead of Helena
Bethlehem9 hours ahead of Helena
Bhubaneshwar12 hours, 30 minutes ahead of Helena
BillingsNo time difference with Helena
Birmingham (UK)7 hours ahead of Helena
Birmingham (US)1 hour ahead of Helena
Bishkek13 hours ahead of Helena
Bismarck1 hour ahead of Helena
Bissau7 hours ahead of Helena
Bogota2 hours ahead of Helena
BoiseNo time difference with Helena
Boston2 hours ahead of Helena
Brades3 hours ahead of Helena
Brampton2 hours ahead of Helena
Brasilia4 hours ahead of Helena
Bratislava8 hours ahead of Helena
Brazzaville8 hours ahead of Helena
Bridgetown3 hours ahead of Helena
Brisbane17 hours ahead of Helena
Brussels8 hours ahead of Helena
Bucharest9 hours ahead of Helena
Budapest8 hours ahead of Helena
Buenos Aires4 hours ahead of Helena
Buffalo2 hours ahead of Helena
Bujumbura9 hours ahead of Helena
Busan16 hours ahead of Helena
Cairo9 hours ahead of Helena
CalgaryNo time difference with Helena
Cali2 hours ahead of Helena
Canberra18 hours ahead of Helena
Cancun2 hours ahead of Helena
Cape Town9 hours ahead of Helena
Caracas3 hours ahead of Helena
Cardiff7 hours ahead of Helena
Carson City1 hour behind Helena
Casablanca8 hours ahead of Helena
Castries3 hours ahead of Helena
Cayenne4 hours ahead of Helena
Cebu City15 hours ahead of Helena
Chandigarh12 hours, 30 minutes ahead of Helena
Changchun15 hours ahead of Helena
Changsha15 hours ahead of Helena
Charleston2 hours ahead of Helena
Charlotte2 hours ahead of Helena
Charlottetown3 hours ahead of Helena
Chatham Island20 hours, 45 minutes ahead of Helena
Chelyabinsk12 hours ahead of Helena
Chengdu15 hours ahead of Helena
Chennai12 hours, 30 minutes ahead of Helena
CheyenneNo time difference with Helena
Chicago1 hour ahead of Helena
ChihuahuaNo time difference with Helena
Chittagong13 hours ahead of Helena
Choibalsan15 hours ahead of Helena
Chongqing15 hours ahead of Helena
Christchurch20 hours ahead of Helena
Cincinnati2 hours ahead of Helena
Cleveland2 hours ahead of Helena
Colombo12 hours, 30 minutes ahead of Helena
Columbia2 hours ahead of Helena
Columbus2 hours ahead of Helena
Conakry7 hours ahead of Helena
Concord2 hours ahead of Helena
Copenhagen8 hours ahead of Helena
Cordoba8 hours ahead of Helena
Dakar7 hours ahead of Helena
Dalian15 hours ahead of Helena
Dallas1 hour ahead of Helena
Damascus9 hours ahead of Helena
Dar Es Salaam10 hours ahead of Helena
Darwin16 hours, 30 minutes ahead of Helena
Denpasar15 hours ahead of Helena
DenverNo time difference with Helena
Des Moines1 hour ahead of Helena
Detroit2 hours ahead of Helena
Dhaka13 hours ahead of Helena
Dili16 hours ahead of Helena
Djibouti10 hours ahead of Helena
Dodoma10 hours ahead of Helena
Doha10 hours ahead of Helena
Douglas7 hours ahead of Helena
Dover2 hours ahead of Helena
Dubai11 hours ahead of Helena
Dublin7 hours ahead of Helena
Durban9 hours ahead of Helena
Dushanbe12 hours ahead of Helena
Dusseldorf8 hours ahead of Helena
Easter Island2 hours ahead of Helena
Edinburgh7 hours ahead of Helena
EdmontonNo time difference with Helena
El Aaiun8 hours ahead of Helena
El PasoNo time difference with Helena
Esfahan10 hours, 30 minutes ahead of Helena
Fairbanks2 hours behind Helena
Faisalabad12 hours ahead of Helena
Fakaofo21 hours ahead of Helena
Fernando De Noronha5 hours ahead of Helena
Foochow15 hours ahead of Helena
Fort Worth1 hour ahead of Helena
Fort-de-France3 hours ahead of Helena
Frankfort2 hours ahead of Helena
Frankfurt8 hours ahead of Helena
Freetown7 hours ahead of Helena
Fresno1 hour behind Helena
Fukuoka16 hours ahead of Helena
Funafuti19 hours ahead of Helena
Funchal7 hours ahead of Helena
Fushun15 hours ahead of Helena
Gaborone9 hours ahead of Helena
Galapagos Islands1 hour ahead of Helena
Gambier Islands2 hours behind Helena
Gatineau2 hours ahead of Helena
Gaza9 hours ahead of Helena
Gdansk8 hours ahead of Helena
Geneva8 hours ahead of Helena
George Town(Cayman Islands)2 hours ahead of Helena
Georgetown3 hours ahead of Helena
Gibraltar8 hours ahead of Helena
Glasgow7 hours ahead of Helena
Guadalajara1 hour ahead of Helena
Guam17 hours ahead of Helena
Guatemala1 hour ahead of Helena
Guayaquil2 hours ahead of Helena
Guiyang15 hours ahead of Helena
Halifax3 hours ahead of Helena
Hamburg8 hours ahead of Helena
Hamilton (Bermuda)3 hours ahead of Helena
Hamilton (Canada)2 hours ahead of Helena
Hangzhou15 hours ahead of Helena
Hanoi14 hours ahead of Helena
Harare9 hours ahead of Helena
Harbin15 hours ahead of Helena
Harrisburg2 hours ahead of Helena
Hartford2 hours ahead of Helena
Havana2 hours ahead of Helena
Helsinki9 hours ahead of Helena
Hiroshima16 hours ahead of Helena
Ho Chi Minh14 hours ahead of Helena
Hobart18 hours ahead of Helena
Hong Kong15 hours ahead of Helena
Honiara18 hours ahead of Helena
Honolulu3 hours behind Helena
Houston1 hour ahead of Helena
Hovd14 hours ahead of Helena
Hyderabad12 hours, 30 minutes ahead of Helena
Incheon16 hours ahead of Helena
Indianapolis2 hours ahead of Helena
Indore12 hours, 30 minutes ahead of Helena
Iqaluit2 hours ahead of Helena
Islamabad12 hours ahead of Helena
Istanbul10 hours ahead of Helena
Izmir10 hours ahead of Helena
Jackson1 hour ahead of Helena
Jacksonville2 hours ahead of Helena
Jaipur12 hours, 30 minutes ahead of Helena
Jakarta14 hours ahead of Helena
Jayapura16 hours ahead of Helena
Jeddah10 hours ahead of Helena
Jefferson City1 hour ahead of Helena
Jersey City2 hours ahead of Helena
Jerusalem9 hours ahead of Helena
Jilin15 hours ahead of Helena
Jinan15 hours ahead of Helena
Jinzhou15 hours ahead of Helena
Johannesburg9 hours ahead of Helena
Juba10 hours ahead of Helena
Juneau2 hours behind Helena
Kabul11 hours, 30 minutes ahead of Helena
Kaliningrad9 hours ahead of Helena
Kampala10 hours ahead of Helena
Kano Nigeria8 hours ahead of Helena
Kanpur12 hours, 30 minutes ahead of Helena
Kansas City1 hour ahead of Helena
Kaohsiung15 hours ahead of Helena
Karachi12 hours ahead of Helena
Kathmandu12 hours, 45 minutes ahead of Helena
Kaunas9 hours ahead of Helena
Kawasaki16 hours ahead of Helena
Kazan10 hours ahead of Helena
Khartoum9 hours ahead of Helena
Khon Kaen14 hours ahead of Helena
Khulna13 hours ahead of Helena
Kiev9 hours ahead of Helena
Kigali9 hours ahead of Helena
Kingston19 hours ahead of Helena
Kingston (Jamaica)2 hours ahead of Helena
Kingstown3 hours ahead of Helena
Kinshasa8 hours ahead of Helena
Kiritimati21 hours ahead of Helena
Kishinev9 hours ahead of Helena
Kitakyushu16 hours ahead of Helena
Knoxville2 hours ahead of Helena
Kobe16 hours ahead of Helena
Kolkata12 hours, 30 minutes ahead of Helena
Koror16 hours ahead of Helena
Kowloon15 hours ahead of Helena
Krakow8 hours ahead of Helena
Krasnoyarsk14 hours ahead of Helena
Kuala Lumpur15 hours ahead of Helena
Kunming15 hours ahead of Helena
Kupang15 hours ahead of Helena
Kuwait City10 hours ahead of Helena
Kyoto16 hours ahead of Helena
La Coruna8 hours ahead of Helena
La Paz3 hours ahead of Helena
La Plata4 hours ahead of Helena
Lagos8 hours ahead of Helena
Lahore12 hours ahead of Helena
Lanchow15 hours ahead of Helena
Las Palmas7 hours ahead of Helena
Las Vegas1 hour behind Helena
Lausanne8 hours ahead of Helena
Laval2 hours ahead of Helena
Leon1 hour ahead of Helena
Lexington-Fayette2 hours ahead of Helena
Lhasa15 hours ahead of Helena
Libreville8 hours ahead of Helena
Lilongwe9 hours ahead of Helena
Lima2 hours ahead of Helena
Lincoln1 hour ahead of Helena
Lisbon7 hours ahead of Helena
Little Rock1 hour ahead of Helena
Liverpool7 hours ahead of Helena
Ljubljana8 hours ahead of Helena
Lodz8 hours ahead of Helena
Lome7 hours ahead of Helena
London7 hours ahead of Helena
London (Canada)2 hours ahead of Helena
Long Beach1 hour behind Helena
Longueuil2 hours ahead of Helena
Lord Howe Island18 hours ahead of Helena
Los Angeles1 hour behind Helena
Louisville2 hours ahead of Helena
Luanda8 hours ahead of Helena
Lubumbashi9 hours ahead of Helena
Lucknow12 hours, 30 minutes ahead of Helena
Ludhiana12 hours, 30 minutes ahead of Helena
Luoyang15 hours ahead of Helena
Lusaka9 hours ahead of Helena
Luxembourg8 hours ahead of Helena
Macau15 hours ahead of Helena
Madison1 hour ahead of Helena
Madrid8 hours ahead of Helena
Majuro19 hours ahead of Helena
Malabo8 hours ahead of Helena
Malang14 hours ahead of Helena
Male12 hours ahead of Helena
Mamoutzou10 hours ahead of Helena
Managua1 hour ahead of Helena
Manama10 hours ahead of Helena
Manaus3 hours ahead of Helena
Manila15 hours ahead of Helena
Maputo9 hours ahead of Helena
Mar Del Plata4 hours ahead of Helena
Markham2 hours ahead of Helena
Maseru9 hours ahead of Helena
Mataram15 hours ahead of Helena
MazatlanNo time difference with Helena
Mbabane9 hours ahead of Helena
Mecca10 hours ahead of Helena
Medan14 hours ahead of Helena
Medellin2 hours ahead of Helena
Melbourne18 hours ahead of Helena
Melekeok16 hours ahead of Helena
Memphis1 hour ahead of Helena
Mendoza4 hours ahead of Helena
Merida1 hour ahead of Helena
MesaNo time difference with Helena
Mexicali1 hour behind Helena
Mexico City1 hour ahead of Helena
Miami2 hours ahead of Helena
Milan8 hours ahead of Helena
Milwaukee1 hour ahead of Helena
Minneapolis1 hour ahead of Helena
Minsk10 hours ahead of Helena
Mississauga2 hours ahead of Helena
Mobile1 hour ahead of Helena
Mogadishu10 hours ahead of Helena
Monaco8 hours ahead of Helena
Monrovia7 hours ahead of Helena
Monterrey1 hour ahead of Helena
Montevideo4 hours ahead of Helena
Montgomery1 hour ahead of Helena
Montpelier2 hours ahead of Helena
Montreal2 hours ahead of Helena
Moroni10 hours ahead of Helena
Moscow10 hours ahead of Helena
Mumbai12 hours, 30 minutes ahead of Helena
Munich8 hours ahead of Helena
Murmansk10 hours ahead of Helena
Muscat11 hours ahead of Helena
Nagoya16 hours ahead of Helena
Nagpur12 hours, 30 minutes ahead of Helena
Nairobi10 hours ahead of Helena
Nanchang15 hours ahead of Helena
Naples8 hours ahead of Helena
Nashville1 hour ahead of Helena
Nassau2 hours ahead of Helena
Naypyidaw13 hours, 30 minutes ahead of Helena
Ndjamena8 hours ahead of Helena
New Delhi12 hours, 30 minutes ahead of Helena
New Orleans1 hour ahead of Helena
New York2 hours ahead of Helena
Newark2 hours ahead of Helena
Niamey8 hours ahead of Helena
Nice8 hours ahead of Helena
Nicosia9 hours ahead of Helena
Nome2 hours behind Helena
Norfolk2 hours ahead of Helena
Nouakchott7 hours ahead of Helena
Noumea18 hours ahead of Helena
Novgorod10 hours ahead of Helena
Novosibirsk14 hours ahead of Helena
Nukualofa20 hours ahead of Helena
Nuuk4 hours ahead of Helena
Oakland1 hour behind Helena
Odesa9 hours ahead of Helena
Okayama16 hours ahead of Helena
Oklahoma City1 hour ahead of Helena
Omsk13 hours ahead of Helena
Oranjestad3 hours ahead of Helena
Orlando2 hours ahead of Helena
Osaka16 hours ahead of Helena
Oslo8 hours ahead of Helena
Ottawa2 hours ahead of Helena
Ouagadougou7 hours ahead of Helena
Pago Pago4 hours behind Helena
Palembang14 hours ahead of Helena
Palikir18 hours ahead of Helena
Palma8 hours ahead of Helena
Panaji12 hours, 30 minutes ahead of Helena
Panama2 hours ahead of Helena
Papeete3 hours behind Helena
Paramaribo4 hours ahead of Helena
Paris8 hours ahead of Helena
Patna12 hours, 30 minutes ahead of Helena
Pensacola1 hour ahead of Helena
Perm12 hours ahead of Helena
Perth15 hours ahead of Helena
Peshawar12 hours ahead of Helena
Petropavlovsk-Kamchatsky19 hours ahead of Helena
Philadelphia2 hours ahead of Helena
Phnom Penh14 hours ahead of Helena
PhoenixNo time difference with Helena
Pierre1 hour ahead of Helena
Pittsburgh2 hours ahead of Helena
Podgorica8 hours ahead of Helena
Port Elizabeth9 hours ahead of Helena
Port Louis11 hours ahead of Helena
Port Moresby17 hours ahead of Helena
Port Of Spain3 hours ahead of Helena
Port Vila18 hours ahead of Helena
Port-au-Prince2 hours ahead of Helena
Port-aux-Francais12 hours ahead of Helena
Portland1 hour behind Helena
Porto7 hours ahead of Helena
Porto Alegre4 hours ahead of Helena
Porto Novo8 hours ahead of Helena
Poznan8 hours ahead of Helena
Prague8 hours ahead of Helena
Praia6 hours ahead of Helena
Pretoria9 hours ahead of Helena
Pristina8 hours ahead of Helena
Providence2 hours ahead of Helena
Pune12 hours, 30 minutes ahead of Helena
Pyongyang16 hours ahead of Helena
Qiqihar15 hours ahead of Helena
Quebec2 hours ahead of Helena
Quito2 hours ahead of Helena
Rabat8 hours ahead of Helena
Raleigh2 hours ahead of Helena
Rarotonga3 hours behind Helena
Rawaki20 hours ahead of Helena
Recife4 hours ahead of Helena
Regina1 hour ahead of Helena
Reykjavik7 hours ahead of Helena
Richmond2 hours ahead of Helena
Riga9 hours ahead of Helena
Rio Branco2 hours ahead of Helena
Rio De Janeiro4 hours ahead of Helena
Riverside1 hour behind Helena
Riyadh10 hours ahead of Helena
Road Town3 hours ahead of Helena
Rochester2 hours ahead of Helena
Rome8 hours ahead of Helena
Rosario4 hours ahead of Helena
Roseau3 hours ahead of Helena
Rotterdam8 hours ahead of Helena
Sacramento1 hour behind Helena
Saint Georges3 hours ahead of Helena
Saint John3 hours ahead of Helena
Saint Johns3 hours ahead of Helena
Saint Paul1 hour ahead of Helena
Saint-Denis11 hours ahead of Helena
Saint-Petersburg10 hours ahead of Helena
Saint-Pierre4 hours ahead of Helena
Saipan17 hours ahead of Helena
Salem1 hour behind Helena
Salt Lake CityNo time difference with Helena
Salta4 hours ahead of Helena
Salvador4 hours ahead of Helena
Salzburg8 hours ahead of Helena
Samara11 hours ahead of Helena
San Antonio1 hour ahead of Helena
San Bernardino1 hour behind Helena
San Diego1 hour behind Helena
San Francisco1 hour behind Helena
San Jose1 hour behind Helena
San Jose (Costa Rica)1 hour ahead of Helena
San Juan3 hours ahead of Helena
San Luis Potosi1 hour ahead of Helena
San Marino8 hours ahead of Helena
San Salvador1 hour ahead of Helena
Sana10 hours ahead of Helena
Santa Ana1 hour ahead of Helena
Santa FeNo time difference with Helena
Santiago4 hours ahead of Helena
Santo Domingo3 hours ahead of Helena
Sao Paulo4 hours ahead of Helena
Sao Tome7 hours ahead of Helena
Sapporo16 hours ahead of Helena
Sarajevo8 hours ahead of Helena
Saskatoon1 hour ahead of Helena
Seattle1 hour behind Helena
Semarang14 hours ahead of Helena
Sendai16 hours ahead of Helena
Seoul16 hours ahead of Helena
Shanghai15 hours ahead of Helena
Shenzhen15 hours ahead of Helena
Shijiazhuang15 hours ahead of Helena
Sialkot12 hours ahead of Helena
Sian15 hours ahead of Helena
Singapore15 hours ahead of Helena
Singaraja15 hours ahead of Helena
Sioux Falls1 hour ahead of Helena
Skopje8 hours ahead of Helena
Sochi10 hours ahead of Helena
Sofia9 hours ahead of Helena
Southampton7 hours ahead of Helena
St. Johns3 hours, 30 minutes ahead of Helena
St. Louis1 hour ahead of Helena
St. Petersburg2 hours ahead of Helena
Stanley4 hours ahead of Helena
Stockholm8 hours ahead of Helena
Stockton1 hour behind Helena
Stuttgart8 hours ahead of Helena
Surabaya14 hours ahead of Helena
Surakarta14 hours ahead of Helena
Surat12 hours, 30 minutes ahead of Helena
Surrey1 hour behind Helena
Suva19 hours ahead of Helena
Sydney18 hours ahead of Helena
Szczecin8 hours ahead of Helena
Taegu16 hours ahead of Helena
Taiohae2 hours, 30 minutes behind Helena
Taipei15 hours ahead of Helena
Taiyuan15 hours ahead of Helena
Tallinn9 hours ahead of Helena
Tampa2 hours ahead of Helena
Tangier8 hours ahead of Helena
Tangshan15 hours ahead of Helena
Tarawa19 hours ahead of Helena
Tashkent12 hours ahead of Helena
Tbilisi11 hours ahead of Helena
Tegucigalpa1 hour ahead of Helena
Tehran10 hours, 30 minutes ahead of Helena
Tel Aviv9 hours ahead of Helena
The Settlement14 hours ahead of Helena
The Valley3 hours ahead of Helena
Thimphu13 hours ahead of Helena
Tianjin15 hours ahead of Helena
Tijuana1 hour behind Helena
Tirane8 hours ahead of Helena
Tokyo16 hours ahead of Helena
Toledo2 hours ahead of Helena
Topeka1 hour ahead of Helena
Toronto2 hours ahead of Helena
Torshavn7 hours ahead of Helena
Trenton2 hours ahead of Helena
Tripoli9 hours ahead of Helena
Tsingtao15 hours ahead of Helena
TucsonNo time difference with Helena
Tucuman4 hours ahead of Helena
Tunis8 hours ahead of Helena
Turin8 hours ahead of Helena
Ufa12 hours ahead of Helena
Ulaanbaatar15 hours ahead of Helena
Unalaska2 hours behind Helena
Vadodara12 hours, 30 minutes ahead of Helena
Vaduz8 hours ahead of Helena
Valletta8 hours ahead of Helena
Vancouver1 hour behind Helena
Varanasi12 hours, 30 minutes ahead of Helena
Vatican City8 hours ahead of Helena
Venice8 hours ahead of Helena
Veracruz1 hour ahead of Helena
Victoria1 hour behind Helena
Victoria (Seychelles)11 hours ahead of Helena
Vienna8 hours ahead of Helena
Vientiane14 hours ahead of Helena
Vilnius9 hours ahead of Helena
Virginia Beach2 hours ahead of Helena
Visakhapatnam12 hours, 30 minutes ahead of Helena
Vladivostok17 hours ahead of Helena
Warsaw8 hours ahead of Helena
Washington DC2 hours ahead of Helena
Wellington20 hours ahead of Helena
Whitehorse1 hour behind Helena
Wichita1 hour ahead of Helena
Willemstad3 hours ahead of Helena
Windhoek9 hours ahead of Helena
Windsor2 hours ahead of Helena
Winnipeg1 hour ahead of Helena
Wroclaw8 hours ahead of Helena
Wuhan15 hours ahead of Helena
Yamoussoukro7 hours ahead of Helena
Yangon13 hours, 30 minutes ahead of Helena
Yaounde8 hours ahead of Helena
Yaren19 hours ahead of Helena
Yazd10 hours, 30 minutes ahead of Helena
Yekaterinburg12 hours ahead of Helena
YellowknifeNo time difference with Helena
Yerevan11 hours ahead of Helena
Yokohama16 hours ahead of Helena
Yuzhno-Sakhalinsk18 hours ahead of Helena
Zagreb8 hours ahead of Helena
Zhengzhou15 hours ahead of Helena
Zibo15 hours ahead of Helena
Zurich8 hours ahead of Helena