Hawaii-Aleutian Time – Adak (HAST/HADT) Converter

Convert Hawaii-Aleutian Time – Adak to any time zone, with daylight saving handled automatically. The table below compares it with every other zone.

From time zone

To time zone

Date

Time in HAST

HAST → UTC

10:00 PM

Wednesday, January 15, 2025

HAST to UTC conversion chart

Each hour of the day in HAST and its equivalent in UTC.

HAST	UTC
12:00 AM	10:00 AM
1:00 AM	11:00 AM
2:00 AM	12:00 PM
3:00 AM	1:00 PM
4:00 AM	2:00 PM
5:00 AM	3:00 PM
6:00 AM	4:00 PM
7:00 AM	5:00 PM
8:00 AM	6:00 PM
9:00 AM	7:00 PM
10:00 AM	8:00 PM
11:00 AM	9:00 PM
12:00 PM	10:00 PM
1:00 PM	11:00 PM
2:00 PM	12:00 AM (next day)
3:00 PM	1:00 AM (next day)
4:00 PM	2:00 AM (next day)
5:00 PM	3:00 AM (next day)
6:00 PM	4:00 AM (next day)
7:00 PM	5:00 AM (next day)
8:00 PM	6:00 AM (next day)
9:00 PM	7:00 AM (next day)
10:00 PM	8:00 AM (next day)
11:00 PM	9:00 AM (next day)

Hawaii-Aleutian Time – Adak compared with every other time zone

Each row converts from Hawaii-Aleutian Time – Adak to another zone. Where daylight saving changes the time difference, each stretch of 2026 is listed with its dates.

From	To	Cities in To zone	Time difference	Current time	Convert
Hawaii-Aleutian Time – Adak (HAST/HADT)	American Samoa TimeUTC-11UTC-11	Midway, Pago Pago	2h behind (Mar 8 – Nov 1)1h behind (Nov 1 – Mar 8)	–	Convert HAST to Midway
Hawaii-Aleutian Time – Adak (HAST/HADT)	Niue TimeNUTUTC-11	Alofi	2h behind (Mar 8 – Nov 1)1h behind (Nov 1 – Mar 8)	–	Convert HAST to NUT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Cook Islands TimeCKTUTC-10	Avarua	1h behind (Mar 8 – Nov 1)Same time (Nov 1 – Mar 8)	–	Convert HAST to CKT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Hawaii-Aleutian TimeHASTUTC-10	Honolulu, East Honolulu, Pearl City, Makakilo / Kapolei / Honokai Hale	1h behind (Mar 8 – Nov 1)Same time (Nov 1 – Mar 8)	–	Convert HAST to HAST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Tahiti TimeTAHTUTC-10	Faaa, Papeete, Punaauia	1h behind (Mar 8 – Nov 1)Same time (Nov 1 – Mar 8)	–	Convert HAST to TAHT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Marquesas TimeMARTUTC-9:30	Marquesas	30m behind (Mar 8 – Nov 1)30m ahead (Nov 1 – Mar 8)	–	Convert HAST to MART
Hawaii-Aleutian Time – Adak (HAST/HADT)	Alaska TimeAKST/AKDTUTC-9 / UTC-8	Anchorage, Fairbanks, Juneau, Eagle River	2h ahead (Mar 8 – Mar 8)1h ahead (Mar 8 – Nov 1)Same time (Nov 1 – Nov 1)1h ahead (Nov 1 – Mar 8)	–	Convert HAST to AKST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Gambier TimeGAMTUTC-9	Gambier	Same time (Mar 8 – Nov 1)1h ahead (Nov 1 – Mar 8)	–	Convert HAST to GAMT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Pacific TimePST/PDTUTC-8 / UTC-7	Los Angeles, San Diego, San Jose, San Francisco, Tijuana, Mexicali, Ensenada, Rosarito, Vancouver, Surrey, Victoria, Burnaby	3h ahead (Mar 8 – Mar 8)2h ahead (Mar 8 – Nov 1)1h ahead (Nov 1 – Nov 1)2h ahead (Nov 1 – Mar 8)	–	Convert HAST to PST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Pitcairn TimePSTUTC-8	Adamstown	1h ahead (Mar 8 – Nov 1)2h ahead (Nov 1 – Mar 8)	–	Convert HAST to PST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Mexican Pacific TimeUTC-7UTC-7	Hermosillo, Culiacán, Mazatlán, Tepic	2h ahead (Mar 8 – Nov 1)3h ahead (Nov 1 – Mar 8)	–	Convert HAST to Hermosillo
Hawaii-Aleutian Time – Adak (HAST/HADT)	Mountain TimeMST/MDTUTC-7 / UTC-6	Denver, El Paso, Albuquerque, Colorado Springs, Calgary, Edmonton, Lethbridge, Red Deer, Ciudad Juárez	4h ahead (Mar 8 – Mar 8)3h ahead (Mar 8 – Nov 1)2h ahead (Nov 1 – Nov 1)3h ahead (Nov 1 – Mar 8)	–	Convert HAST to MST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Mountain Time – PhoenixMSTUTC-7	Phoenix, Tucson, Mesa, Chandler	2h ahead (Mar 8 – Nov 1)3h ahead (Nov 1 – Mar 8)	–	Convert HAST to MST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Yukon TimeYTUTC-7	Whitehorse, Fort St. John, Creston, Dawson	2h ahead (Mar 8 – Nov 1)3h ahead (Nov 1 – Mar 8)	–	Convert HAST to YT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Central TimeCST/CDTUTC-6 / UTC-5	Chicago, Houston, San Antonio, Dallas, Reynosa, Heroica Matamoros, Nuevo Laredo, Ciudad Acuña, Winnipeg, Brandon, Steinbach, Kenora	5h ahead (Mar 8 – Mar 8)4h ahead (Mar 8 – Nov 1)3h ahead (Nov 1 – Nov 1)4h ahead (Nov 1 – Mar 8)	–	Convert HAST to CST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Central Time – Mexico CityCSTUTC-6	Mexico City, Iztapalapa, Puebla, Ecatepec de Morelos, Belize City, San Pedro, Orange Walk, Belmopan, Guatemala City, Villa Nueva, Mixco, Cobán, Managua, León, Masaya, Chinandega, San José, Limón, San Francisco, Alajuela, San Salvador, Soyapango, San Miguel, Santa Ana, Saskatoon, Regina, Prince Albert, Moose Jaw, Tegucigalpa, San Pedro Sula, La Ceiba, Choloma	3h ahead (Mar 8 – Nov 1)4h ahead (Nov 1 – Mar 8)	–	Convert HAST to CST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Easter Island TimeEAST/EADTUTC-6 / UTC-5	Easter	4h ahead (Mar 8 – Apr 4)3h ahead (Apr 4 – Sep 5)4h ahead (Sep 5 – Nov 1)5h ahead (Nov 1 – Mar 8)	–	Convert HAST to EAST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Galapagos TimeGALTUTC-6	Galapagos	3h ahead (Mar 8 – Nov 1)4h ahead (Nov 1 – Mar 8)	–	Convert HAST to GALT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Acre TimeACTUTC-5	Rio Branco, Cruzeiro do Sul, Tarauacá, Sena Madureira	4h ahead (Mar 8 – Nov 1)5h ahead (Nov 1 – Mar 8)	–	Convert HAST to ACT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Colombia TimeCOTUTC-5	Bogotá, Cali, Medellín, Barranquilla	4h ahead (Mar 8 – Nov 1)5h ahead (Nov 1 – Mar 8)	–	Convert HAST to COT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Cuba TimeCST/CDTUTC-5 / UTC-4	Havana, Santiago de Cuba, Camagüey, Holguín	6h ahead (Mar 8 – Mar 8)5h ahead (Mar 8 – Nov 1)4h ahead (Nov 1 – Nov 1)5h ahead (Nov 1 – Mar 8)	–	Convert HAST to CST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Eastern TimeEST/EDTUTC-5 / UTC-4	New York City, Brooklyn, Queens, Philadelphia, Nassau, Lucaya, Freeport, Killarney, Port-au-Prince, Carrefour, Delmas, Port-de-Paix, Providenciales, Cockburn Town, Toronto, Montréal, Ottawa, Mississauga	6h ahead (Mar 8 – Mar 8)5h ahead (Mar 8 – Nov 1)4h ahead (Nov 1 – Nov 1)5h ahead (Nov 1 – Mar 8)	–	Convert HAST to EST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Eastern Time – PanamaESTUTC-5	Panamá, San Miguelito, Juan Díaz, David, Atikokan, Cancún, Chetumal, Playa del Carmen, Cozumel, George Town, West Bay, Kingston, New Kingston, Spanish Town, Portmore	4h ahead (Mar 8 – Nov 1)5h ahead (Nov 1 – Mar 8)	–	Convert HAST to EST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Ecuador TimeECTUTC-5	Quito, Guayaquil, Cuenca, Santo Domingo de los Colorados	4h ahead (Mar 8 – Nov 1)5h ahead (Nov 1 – Mar 8)	–	Convert HAST to ECT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Peru TimePETUTC-5	Lima, Callao, Arequipa, Trujillo	4h ahead (Mar 8 – Nov 1)5h ahead (Nov 1 – Mar 8)	–	Convert HAST to PET
Hawaii-Aleutian Time – Adak (HAST/HADT)	Amazon TimeAMTUTC-4	Manaus, Campo Grande, Cuiabá, Porto Velho	5h ahead (Mar 8 – Nov 1)6h ahead (Nov 1 – Mar 8)	–	Convert HAST to AMT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Atlantic TimeAST/ADTUTC-4 / UTC-3	Halifax, Sydney, Dartmouth, Moncton, Hamilton, Thule	7h ahead (Mar 8 – Mar 8)6h ahead (Mar 8 – Nov 1)5h ahead (Nov 1 – Nov 1)6h ahead (Nov 1 – Mar 8)	–	Convert HAST to AST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Atlantic Time – Santo DomingoASTUTC-4	Santo Domingo, Santiago de los Caballeros, Santo Domingo Oeste, Santo Domingo Este, Basseterre, Blanc-Sablon, Brades, Plymouth, Bridgetown, Chaguanas, Mon Repos, San Fernando, Port of Spain, Fort-de-France, Le Lamentin, Le Robert, Sainte-Marie, Gros Islet, Castries, Gustavia, Kingstown, Calliaqua, Kralendijk, Les Abymes, Baie-Mahault, Le Gosier, Petit-Bourg, Marigot, Oranjestad, Noord, Tanki Leendert, San Nicolas, Philipsburg, Road Town, Roseau, Saint Croix, Charlotte Amalie, Saint George's, Saint John’s, San Juan, Bayamón, Carolina, Ponce, The Valley, Willemstad, Bandariba	5h ahead (Mar 8 – Nov 1)6h ahead (Nov 1 – Mar 8)	–	Convert HAST to AST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Bolivia TimeBOTUTC-4	La Paz, Santa Cruz de la Sierra, Cochabamba, Sucre	5h ahead (Mar 8 – Nov 1)6h ahead (Nov 1 – Mar 8)	–	Convert HAST to BOT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Chile TimeCLTUTC-4 / UTC-3	Santiago, Puente Alto, Maipú, Antofagasta	6h ahead (Mar 8 – Apr 4)5h ahead (Apr 4 – Sep 6)6h ahead (Sep 6 – Nov 1)7h ahead (Nov 1 – Mar 8)	–	Convert HAST to CLT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Guyana TimeGYTUTC-4	Georgetown, Linden, New Amsterdam	5h ahead (Mar 8 – Nov 1)6h ahead (Nov 1 – Mar 8)	–	Convert HAST to GYT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Venezuela TimeVETUTC-4	Caracas, Maracaibo, Valencia, Barquisimeto	5h ahead (Mar 8 – Nov 1)6h ahead (Nov 1 – Mar 8)	–	Convert HAST to VET
Hawaii-Aleutian Time – Adak (HAST/HADT)	Newfoundland TimeNST/NDTUTC-3:30 / UTC-2:30	St. John's, Mount Pearl, Paradise, Corner Brook	7h 30m ahead (Mar 8 – Mar 8)6h 30m ahead (Mar 8 – Nov 1)5h 30m ahead (Nov 1 – Nov 1)6h 30m ahead (Nov 1 – Mar 8)	–	Convert HAST to NST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Argentina TimeARTUTC-3	Buenos Aires, Córdoba, Rosario, Mar del Plata	6h ahead (Mar 8 – Nov 1)7h ahead (Nov 1 – Mar 8)	–	Convert HAST to ART
Hawaii-Aleutian Time – Adak (HAST/HADT)	Brasilia TimeBRTUTC-3	São Paulo, Rio de Janeiro, Belo Horizonte, Salvador	6h ahead (Mar 8 – Nov 1)7h ahead (Nov 1 – Mar 8)	–	Convert HAST to BRT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Chile Time – Punta ArenasCLTUTC-3	Punta Arenas, Coyhaique, Puerto Natales, Puerto Aysén, Palmer, Rothera	6h ahead (Mar 8 – Nov 1)7h ahead (Nov 1 – Mar 8)	–	Convert HAST to CLT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Falkland Islands TimeFKSTUTC-3	Stanley	6h ahead (Mar 8 – Nov 1)7h ahead (Nov 1 – Mar 8)	–	Convert HAST to FKST
Hawaii-Aleutian Time – Adak (HAST/HADT)	French Guiana TimeGFTUTC-3	Cayenne, Matoury, Saint-Laurent-du-Maroni, Kourou	6h ahead (Mar 8 – Nov 1)7h ahead (Nov 1 – Mar 8)	–	Convert HAST to GFT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Paraguay TimePYTUTC-3	Asunción, Ciudad del Este, San Lorenzo, Capiatá	6h ahead (Mar 8 – Nov 1)7h ahead (Nov 1 – Mar 8)	–	Convert HAST to PYT
Hawaii-Aleutian Time – Adak (HAST/HADT)	St. Pierre & Miquelon TimePMUTC-3 / UTC-2	Saint-Pierre	8h ahead (Mar 8 – Mar 8)7h ahead (Mar 8 – Nov 1)6h ahead (Nov 1 – Nov 1)7h ahead (Nov 1 – Mar 8)	–	Convert HAST to PM
Hawaii-Aleutian Time – Adak (HAST/HADT)	Suriname TimeSRTUTC-3	Paramaribo, Blauwgrond, Rainville, Flora	6h ahead (Mar 8 – Nov 1)7h ahead (Nov 1 – Mar 8)	–	Convert HAST to SRT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Uruguay TimeUYTUTC-3	Montevideo, Salto, Paysandú, Las Piedras	6h ahead (Mar 8 – Nov 1)7h ahead (Nov 1 – Mar 8)	–	Convert HAST to UYT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Fernando de Noronha TimeFNTUTC-2	Noronha	7h ahead (Mar 8 – Nov 1)8h ahead (Nov 1 – Mar 8)	–	Convert HAST to FNT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Greenland TimeUTC-2UTC-2 / UTC-1	Nuuk, Scoresbysund	7h ahead (Mar 8 – Mar 29)8h ahead (Mar 29 – Oct 24)7h ahead (Oct 24 – Nov 1)8h ahead (Nov 1 – Mar 8)	–	Convert HAST to Nuuk
Hawaii-Aleutian Time – Adak (HAST/HADT)	South Georgia TimeGSTUTC-2	Grytviken	7h ahead (Mar 8 – Nov 1)8h ahead (Nov 1 – Mar 8)	–	Convert HAST to GST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Azores TimeAZOTUTC-1 / UTC+0	Ponta Delgada	8h ahead (Mar 8 – Mar 29)9h ahead (Mar 29 – Oct 25)8h ahead (Oct 25 – Nov 1)9h ahead (Nov 1 – Mar 8)	–	Convert HAST to AZOT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Cape Verde TimeCVTUTC-1	Praia, Mindelo, Espargos, Assomada	8h ahead (Mar 8 – Nov 1)9h ahead (Nov 1 – Mar 8)	–	Convert HAST to CVT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Coordinated Universal TimeUTCUTC+0	UTC	9h ahead (Mar 8 – Nov 1)10h ahead (Nov 1 – Mar 8)	–	Convert HAST to UTC
Hawaii-Aleutian Time – Adak (HAST/HADT)	Greenwich Mean TimeGMT/BSTUTC+0 / UTC+1	London, Birmingham, Glasgow, Manchester, Douglas, Dublin, South Dublin, Cork, Limerick, Saint Helier, Saint Peter Port	9h ahead (Mar 8 – Mar 29)10h ahead (Mar 29 – Oct 25)9h ahead (Oct 25 – Nov 1)10h ahead (Nov 1 – Mar 8)	–	Convert HAST to GMT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Greenwich Mean Time – AccraGMTUTC+0	Kumasi, Accra, Tamale, Takoradi, Abidjan, Abobo, Bouaké, Korhogo, Bamako, Sikasso, Koutiala, Ségou, Bissau, Gabú, Bafatá, Xitole, Conakry, Camayenne, Nzérékoré, Kankan, Dakar, Touba, Pikine, Guédiawaye, Danmarkshavn, Freetown, Bo, Kenema, Koidu, Jamestown, Lomé, Sokodé, Kara, Atakpamé, Monrovia, Gbarnga, Buchanan, Ganta, Nouakchott, Nouadhibou, Kiffa, Dar Naim, Ouagadougou, Bobo-Dioulasso, Koudougou, Saaba, Reykjavík, Kópavogur, Hafnarfjörður, Reykjanesbær, São Tomé, Serekunda, Brikama, Bununka Kunda, Sukuta	9h ahead (Mar 8 – Nov 1)10h ahead (Nov 1 – Mar 8)	–	Convert HAST to GMT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Greenwich Mean Time – TrollGMTUTC+0 / UTC+2	Troll	9h ahead (Mar 8 – Mar 29)11h ahead (Mar 29 – Oct 25)9h ahead (Oct 25 – Nov 1)10h ahead (Nov 1 – Mar 8)	–	Convert HAST to GMT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Western European TimeWET/WESTUTC+0 / UTC+1	Lisbon, Porto, Amadora, Braga, Las Palmas de Gran Canaria, Santa Cruz de Tenerife, La Laguna, Telde, Tórshavn	9h ahead (Mar 8 – Mar 29)10h ahead (Mar 29 – Oct 25)9h ahead (Oct 25 – Nov 1)10h ahead (Nov 1 – Mar 8)	–	Convert HAST to WET
Hawaii-Aleutian Time – Adak (HAST/HADT)	Western European Time – CasablancaWETUTC+0 / UTC+1	Casablanca, Rabat, Fes, Tangier, Laayoune, Dakhla, Boujdour	11h ahead (until Feb 15)10h ahead (Feb 15 – Mar 8)9h ahead (Mar 8 – Mar 22)10h ahead (Mar 22 – Sep 20)9h ahead (Sep 20 – Nov 1)10h ahead (from Nov 1)	–	Convert HAST to WET
Hawaii-Aleutian Time – Adak (HAST/HADT)	Central European TimeCET/CESTUTC+1 / UTC+2	Paris, Marseille, Lyon, Toulouse, Andorra la Vella, les Escaldes, Belgrade, Niš, Novi Sad, Zemun, Berlin, Hamburg, Munich, Köln, Bratislava, Košice, Petržalka, Nitra, Brussels, Antwerpen, Gent, Charleroi, Budapest, Debrecen, Szeged, Miskolc, Copenhagen, Århus, Odense, Aalborg, Gibraltar, Ljubljana, Maribor, Celje, Kranj, Longyearbyen, Luxembourg, Esch-sur-Alzette, Dudelange, Madrid, Barcelona, Valencia, Zaragoza, Monaco, Monte-Carlo, Oslo, Bergen, Trondheim, Stavanger, Podgorica, Nikšić, Herceg Novi, Pljevlja, Prague, Brno, Ostrava, Pilsen, Rome, Milan, Naples, Turin, Rotterdam, Amsterdam, The Hague, Utrecht, San Marino, San Pawl il-Baħar, Birkirkara, Mosta, Sliema, Sarajevo, Banja Luka, Zenica, Tuzla, Skopje, Kumanovo, Prilep, Bitola, Stockholm, Göteborg, Malmö, Uppsala, Tirana, Durrës, Vlorë, Elbasan, Vaduz, Vatican City, Vienna, Graz, Linz, Favoriten, Warsaw, Łódź, Kraków, Wrocław, Zagreb, Split, Rijeka, Osijek, Zürich, Genève, Basel, Lausanne	10h ahead (Mar 8 – Mar 29)11h ahead (Mar 29 – Oct 25)10h ahead (Oct 25 – Nov 1)11h ahead (Nov 1 – Mar 8)	–	Convert HAST to CET
Hawaii-Aleutian Time – Adak (HAST/HADT)	Central European Time – AlgiersCETUTC+1	Algiers, Oran, Constantine, Annaba, Tunis, Sfax, Sousse, Kairouan	10h ahead (Mar 8 – Nov 1)11h ahead (Nov 1 – Mar 8)	–	Convert HAST to CET
Hawaii-Aleutian Time – Adak (HAST/HADT)	West Africa TimeWATUTC+1	Lagos, Kano, Ibadan, Abuja, Bangui, Bimbo, Bégoua, Carnot, Bata, Malabo, Ebebiyin, Brazzaville, Pointe-Noire, Dolisie, Nkayi, Cotonou, Abomey-Calavi, Porto-Novo, Parakou, Douala, Yaoundé, Bamenda, Bafoussam, Kinshasa, Kikwit, Masina, Mbandaka, Libreville, Port-Gentil, Franceville, Owendo, Luanda, Lubango, Huambo, Benguela, N'Djamena, Moundou, Abéché, Sarh, Niamey, Maradi, Zinder, Tahoua	10h ahead (Mar 8 – Nov 1)11h ahead (Nov 1 – Mar 8)	–	Convert HAST to WAT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Central Africa TimeCATUTC+2	Lilongwe, Blantyre, Mzuzu, Zomba, Bujumbura, Gitega, Ngozi, Rumonge, Gaborone, Francistown, Mogoditshane, Maun, Harare, Bulawayo, Chitungwiza, Mutare, Juba, Winejok, Yei, Malakal, Khartoum, Omdurman, Khartoum North, Nyala, Kigali, Gisenyi, Musanze, Nyagatare, Lubumbashi, Mbuji-Mayi, Kananga, Kisangani, Lusaka, Kitwe, Ndola, Chipata, Maputo, Matola, Nampula, Beira, Windhoek, Rundu, Walvis Bay, Swakopmund	11h ahead (Mar 8 – Nov 1)12h ahead (Nov 1 – Mar 8)	–	Convert HAST to CAT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Eastern European TimeEET/EESTUTC+2 / UTC+3	Athens, Thessaloníki, Pátra, Piraeus, Bucharest, Sector 3, Iaşi, Sector 6, Chisinau, Tiraspol, Bălţi, Bender, Helsinki, Espoo, Tampere, Vantaa, Kyiv, Kharkiv, Odesa, Dnipro, Mariehamn, Nicosia, Limassol, Larnaca, Stróvolos, Riga, Daugavpils, Liepāja, Jelgava, Sofia, Plovdiv, Varna, Burgas, Tallinn, Tartu, Narva, Pärnu, Vilnius, Kaunas, Klaipėda, Šiauliai	11h ahead (Mar 8 – Mar 29)12h ahead (Mar 29 – Oct 25)11h ahead (Oct 25 – Nov 1)12h ahead (Nov 1 – Mar 8)	–	Convert HAST to EET
Hawaii-Aleutian Time – Adak (HAST/HADT)	Eastern European Time – BeirutEET/EESTUTC+2 / UTC+3	Beirut, Ra’s Bayrūt, Tripoli, Sidon	11h ahead (Mar 8 – Mar 29)12h ahead (Mar 29 – Oct 24)11h ahead (Oct 24 – Nov 1)12h ahead (Nov 1 – Mar 8)	–	Convert HAST to EET
Hawaii-Aleutian Time – Adak (HAST/HADT)	Eastern European Time – CairoEET/EESTUTC+2 / UTC+3	Cairo, Alexandria, Giza, Shubrā al Khaymah	11h ahead (Mar 8 – Apr 24)12h ahead (Apr 24 – Oct 29)11h ahead (Oct 29 – Nov 1)12h ahead (Nov 1 – Mar 8)	–	Convert HAST to EET
Hawaii-Aleutian Time – Adak (HAST/HADT)	Eastern European Time – HebronEET/EESTUTC+2 / UTC+3	East Jerusalem, Gaza, Khān Yūnis, Jabālyā	11h ahead (Mar 8 – Mar 28)12h ahead (Mar 28 – Oct 24)11h ahead (Oct 24 – Nov 1)12h ahead (Nov 1 – Mar 8)	–	Convert HAST to EET
Hawaii-Aleutian Time – Adak (HAST/HADT)	Eastern European Time – TripoliEETUTC+2	Tripoli, Benghazi, Misratah, Zliten, Kaliningrad, Chernyakhovsk, Sovetsk, Baltiysk	11h ahead (Mar 8 – Nov 1)12h ahead (Nov 1 – Mar 8)	–	Convert HAST to EET
Hawaii-Aleutian Time – Adak (HAST/HADT)	Israel TimeIST/IDTUTC+2 / UTC+3	Jerusalem, Tel Aviv, West Jerusalem, Haifa	11h ahead (Mar 8 – Mar 27)12h ahead (Mar 27 – Oct 25)11h ahead (Oct 25 – Nov 1)12h ahead (Nov 1 – Mar 8)	–	Convert HAST to IST
Hawaii-Aleutian Time – Adak (HAST/HADT)	South Africa TimeSASTUTC+2	Johannesburg, Cape Town, Durban, Pretoria, Manzini, Mbabane, Lobamba, Maseru, Maputsoe, Mohale's Hoek, Mafeteng	11h ahead (Mar 8 – Nov 1)12h ahead (Nov 1 – Mar 8)	–	Convert HAST to SAST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Arabian TimeASTUTC+3	Baghdad, Al Mawşil al Jadīdah, Al Başrah al Qadīmah, Mosul, Al Aḩmadī, Ḩawallī, As Sālimīyah, Şabāḩ as Sālim, Al Muharraq, Manama, Madīnat Ḩamad, Ar Rifā‘, Doha, Ar Rayyān, Al Maţār al ‘Atīq, Al Manşūrah, Jeddah, Riyadh, Makkah, Madinah, Sanaa, Aden, Taiz, Ibb	12h ahead (Mar 8 – Nov 1)13h ahead (Nov 1 – Mar 8)	–	Convert HAST to AST
Hawaii-Aleutian Time – Adak (HAST/HADT)	East Africa TimeEATUTC+3	Nairobi, Kakamega, Mombasa, Nakuru, Addis Ababa, Jijiga, Gonder, Mek'ele, Antananarivo, Toamasina, Antsirabe, Mahajanga, Asmara, Keren, Himora, Massawa, Dar es Salaam, Mwanza, Dodoma, Zanzibar, Djibouti, Ali Sabih, Dikhil, Tadjoura, Kampala, Nansana, Kira, Bunamwaya, Mamoudzou, Koungou, Labattoir, Kaouéni, Mogadishu, Borama, Hargeysa, Berbera, Moroni, Moutsamoudou, Fomboni	12h ahead (Mar 8 – Nov 1)13h ahead (Nov 1 – Mar 8)	–	Convert HAST to EAT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Jordan TimeUTC+3UTC+3	Amman, Zarqa, Irbid, Russeifa	12h ahead (Mar 8 – Nov 1)13h ahead (Nov 1 – Mar 8)	–	Convert HAST to Amman
Hawaii-Aleutian Time – Adak (HAST/HADT)	Moscow TimeMSKUTC+3	Moscow, Saint Petersburg, Nizhniy Novgorod, Kazan, Minsk, Homyel', Hrodna, Vitebsk, Sevastopol, Simferopol, Kerch, Yevpatoriya	12h ahead (Mar 8 – Nov 1)13h ahead (Nov 1 – Mar 8)	–	Convert HAST to MSK
Hawaii-Aleutian Time – Adak (HAST/HADT)	Syowa TimeSYOTUTC+3	Syowa	12h ahead (Mar 8 – Nov 1)13h ahead (Nov 1 – Mar 8)	–	Convert HAST to SYOT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Syria TimeUTC+3UTC+3	Aleppo, Damascus, Homs, Latakia	12h ahead (Mar 8 – Nov 1)13h ahead (Nov 1 – Mar 8)	–	Convert HAST to Aleppo
Hawaii-Aleutian Time – Adak (HAST/HADT)	Turkey TimeTRTUTC+3	Istanbul, Ankara, Bursa, İzmir	12h ahead (Mar 8 – Nov 1)13h ahead (Nov 1 – Mar 8)	–	Convert HAST to TRT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Iran TimeIRSTUTC+3:30	Tehran, Mashhad, Isfahan, Karaj	12h 30m ahead (Mar 8 – Nov 1)13h 30m ahead (Nov 1 – Mar 8)	–	Convert HAST to IRST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Armenia TimeAMTUTC+4	Yerevan, Malatia-Sebastia, Shengavit, Nor Nork	13h ahead (Mar 8 – Nov 1)14h ahead (Nov 1 – Mar 8)	–	Convert HAST to AMT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Azerbaijan TimeAZTUTC+4	Baku, Sumqayıt, Ganja, Lankaran	13h ahead (Mar 8 – Nov 1)14h ahead (Nov 1 – Mar 8)	–	Convert HAST to AZT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Georgia TimeGETUTC+4	Tbilisi, Batumi, Kutaisi, Rustavi	13h ahead (Mar 8 – Nov 1)14h ahead (Nov 1 – Mar 8)	–	Convert HAST to GET
Hawaii-Aleutian Time – Adak (HAST/HADT)	Gulf TimeGSTUTC+4	Dubai, Abu Dhabi, Sharjah, Al Ain City, Muscat, Seeb, Bawshar, ‘Ibrī	13h ahead (Mar 8 – Nov 1)14h ahead (Nov 1 – Mar 8)	–	Convert HAST to GST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Mauritius TimeMUTUTC+4	Port Louis, Vacoas, Beau Bassin-Rose Hill, Curepipe	13h ahead (Mar 8 – Nov 1)14h ahead (Nov 1 – Mar 8)	–	Convert HAST to MUT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Réunion TimeRETUTC+4	Saint-Denis, Saint-Paul, Saint-Pierre, Le Tampon	13h ahead (Mar 8 – Nov 1)14h ahead (Nov 1 – Mar 8)	–	Convert HAST to RET
Hawaii-Aleutian Time – Adak (HAST/HADT)	Samara TimeSAMTUTC+4	Samara, Saratov, Tolyatti, Izhevsk	13h ahead (Mar 8 – Nov 1)14h ahead (Nov 1 – Mar 8)	–	Convert HAST to SAMT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Seychelles TimeSCTUTC+4	Victoria	13h ahead (Mar 8 – Nov 1)14h ahead (Nov 1 – Mar 8)	–	Convert HAST to SCT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Afghanistan TimeAFTUTC+4:30	Kabul, Herāt, Mazār-e Sharīf, Kandahār	13h 30m ahead (Mar 8 – Nov 1)14h 30m ahead (Nov 1 – Mar 8)	–	Convert HAST to AFT
Hawaii-Aleutian Time – Adak (HAST/HADT)	French Southern & Antarctic TimeFSATUTC+5	Port-aux-Français	14h ahead (Mar 8 – Nov 1)15h ahead (Nov 1 – Mar 8)	–	Convert HAST to FSAT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Kazakhstan TimeUTC+5UTC+5	Almaty, Shymkent, Aktobe, Karagandy	14h ahead (Mar 8 – Nov 1)15h ahead (Nov 1 – Mar 8)	–	Convert HAST to Almaty
Hawaii-Aleutian Time – Adak (HAST/HADT)	Maldives TimeMVTUTC+5	Male	14h ahead (Mar 8 – Nov 1)15h ahead (Nov 1 – Mar 8)	–	Convert HAST to MVT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Mawson TimeMAWTUTC+5	Mawson, Vostok	14h ahead (Mar 8 – Nov 1)15h ahead (Nov 1 – Mar 8)	–	Convert HAST to MAWT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Pakistan TimePKTUTC+5	Lahore, Karachi, Peshawar, Faisalabad	14h ahead (Mar 8 – Nov 1)15h ahead (Nov 1 – Mar 8)	–	Convert HAST to PKT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Tajikistan TimeTJTUTC+5	Dushanbe, Isfara, Istaravshan, Kŭlob	14h ahead (Mar 8 – Nov 1)15h ahead (Nov 1 – Mar 8)	–	Convert HAST to TJT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Turkmenistan TimeTMTUTC+5	Ashgabat, Türkmenabat, Daşoguz, Mary	14h ahead (Mar 8 – Nov 1)15h ahead (Nov 1 – Mar 8)	–	Convert HAST to TMT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Uzbekistan TimeUZTUTC+5	Tashkent, Andijon, Namangan, Samarkand	14h ahead (Mar 8 – Nov 1)15h ahead (Nov 1 – Mar 8)	–	Convert HAST to UZT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Yekaterinburg TimeYEKTUTC+5	Yekaterinburg, Chelyabinsk, Ufa, Perm	14h ahead (Mar 8 – Nov 1)15h ahead (Nov 1 – Mar 8)	–	Convert HAST to YEKT
Hawaii-Aleutian Time – Adak (HAST/HADT)	India TimeISTUTC+5:30	Mumbai, Delhi, Bengaluru, Hyderabad, Colombo, Dehiwala-Mount Lavinia, Maharagama, Jaffna	14h 30m ahead (Mar 8 – Nov 1)15h 30m ahead (Nov 1 – Mar 8)	–	Convert HAST to IST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Nepal TimeNPTUTC+5:45	Kathmandu, Pokhara, Bharatpur, Pātan	14h 45m ahead (Mar 8 – Nov 1)15h 45m ahead (Nov 1 – Mar 8)	–	Convert HAST to NPT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Bangladesh TimeBSTUTC+6	Dhaka, Chattogram, Gazipur, Khulna	15h ahead (Mar 8 – Nov 1)16h ahead (Nov 1 – Mar 8)	–	Convert HAST to BST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Bhutan TimeBTTUTC+6	Thimphu, Phuntsholing, Tsirang, Punākha	15h ahead (Mar 8 – Nov 1)16h ahead (Nov 1 – Mar 8)	–	Convert HAST to BTT
Hawaii-Aleutian Time – Adak (HAST/HADT)	China Time – UrumqiCSTUTC+6	Ürümqi, Shihezi, Korla, Aqsu	15h ahead (Mar 8 – Nov 1)16h ahead (Nov 1 – Mar 8)	–	Convert HAST to CST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Indian Ocean TimeIOTUTC+6	Chagos	15h ahead (Mar 8 – Nov 1)16h ahead (Nov 1 – Mar 8)	–	Convert HAST to IOT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Kyrgyzstan TimeKGTUTC+6	Bishkek, Osh, Jalal-Abad, Karakol	15h ahead (Mar 8 – Nov 1)16h ahead (Nov 1 – Mar 8)	–	Convert HAST to KGT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Omsk TimeOMSTUTC+6	Omsk, Tara, Kalachinsk, Isil’kul’	15h ahead (Mar 8 – Nov 1)16h ahead (Nov 1 – Mar 8)	–	Convert HAST to OMST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Cocos Islands TimeCCTUTC+6:30	West Island	15h 30m ahead (Mar 8 – Nov 1)16h 30m ahead (Nov 1 – Mar 8)	–	Convert HAST to CCT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Myanmar TimeMMTUTC+6:30	Yangon, Mandalay, Nay Pyi Taw, Hlaingthaya Township	15h 30m ahead (Mar 8 – Nov 1)16h 30m ahead (Nov 1 – Mar 8)	–	Convert HAST to MMT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Christmas Island TimeCXTUTC+7	Flying Fish Cove	16h ahead (Mar 8 – Nov 1)17h ahead (Nov 1 – Mar 8)	–	Convert HAST to CXT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Davis TimeDAVTUTC+7	Davis	16h ahead (Mar 8 – Nov 1)17h ahead (Nov 1 – Mar 8)	–	Convert HAST to DAVT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Hovd TimeHOVTUTC+7	Ulaangom, Khovd, Ölgii, Altai	16h ahead (Mar 8 – Nov 1)17h ahead (Nov 1 – Mar 8)	–	Convert HAST to HOVT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Indochina TimeICTUTC+7	Bangkok, Samut Prakan, Mueang Nonthaburi, Chon Buri, Ho Chi Minh City, Cần Thơ, Da Nang, Biên Hòa, Phnom Penh, Takeo, Siem Reap, Battambang, Vientiane, Savannakhet, Pakse, Thakhèk	16h ahead (Mar 8 – Nov 1)17h ahead (Nov 1 – Mar 8)	–	Convert HAST to ICT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Novosibirsk TimeNOVTUTC+7	Novosibirsk, Krasnoyarsk, Barnaul, Tomsk	16h ahead (Mar 8 – Nov 1)17h ahead (Nov 1 – Mar 8)	–	Convert HAST to NOVT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Western Indonesia TimeWIBUTC+7	Jakarta, Surabaya, Bekasi, Bandung	16h ahead (Mar 8 – Nov 1)17h ahead (Nov 1 – Mar 8)	–	Convert HAST to WIB
Hawaii-Aleutian Time – Adak (HAST/HADT)	Australian Western TimeAWSTUTC+8	Perth, Mandurah, Bunbury, Geraldton, Casey	17h ahead (Mar 8 – Nov 1)18h ahead (Nov 1 – Mar 8)	–	Convert HAST to AWST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Brunei TimeUTC+8UTC+8	Bandar Seri Begawan, Sengkurong, Mentiri, Kuala Belait	17h ahead (Mar 8 – Nov 1)18h ahead (Nov 1 – Mar 8)	–	Convert HAST to Bandar Seri Begawan
Hawaii-Aleutian Time – Adak (HAST/HADT)	Central Indonesia TimeWITAUTC+8	Makassar, Samarinda, Denpasar, Balikpapan	17h ahead (Mar 8 – Nov 1)18h ahead (Nov 1 – Mar 8)	–	Convert HAST to WITA
Hawaii-Aleutian Time – Adak (HAST/HADT)	China TimeCSTUTC+8	Shanghai, Beijing, Shenzhen, Guangzhou, Macau, Taipa, Sé, Luhuan	17h ahead (Mar 8 – Nov 1)18h ahead (Nov 1 – Mar 8)	–	Convert HAST to CST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Hong Kong TimeHKTUTC+8	Hong Kong, New Territories, Kowloon, Hong Kong Island	17h ahead (Mar 8 – Nov 1)18h ahead (Nov 1 – Mar 8)	–	Convert HAST to HKT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Irkutsk TimeIRKTUTC+8	Irkutsk, Ulan-Ude, Bratsk, Angarsk	17h ahead (Mar 8 – Nov 1)18h ahead (Nov 1 – Mar 8)	–	Convert HAST to IRKT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Malaysia TimeMYTUTC+8	Kuala Lumpur, Johor Bahru, Kampung Baru Subang, Petaling Jaya	17h ahead (Mar 8 – Nov 1)18h ahead (Nov 1 – Mar 8)	–	Convert HAST to MYT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Philippine TimePHTUTC+8	Quezon City, Davao, Caloocan City, Manila	17h ahead (Mar 8 – Nov 1)18h ahead (Nov 1 – Mar 8)	–	Convert HAST to PHT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Singapore TimeSGTUTC+8	Singapore, Ulu Bedok, Bedok New Town, Tampines Estate	17h ahead (Mar 8 – Nov 1)18h ahead (Nov 1 – Mar 8)	–	Convert HAST to SGT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Taiwan TimeUTC+8UTC+8	Taipei, New Taipei City, Taichung, Kaohsiung	17h ahead (Mar 8 – Nov 1)18h ahead (Nov 1 – Mar 8)	–	Convert HAST to Taipei
Hawaii-Aleutian Time – Adak (HAST/HADT)	Ulaanbaatar TimeULATUTC+8	Ulan Bator, Erdenet, Darhan, Choibalsan	17h ahead (Mar 8 – Nov 1)18h ahead (Nov 1 – Mar 8)	–	Convert HAST to ULAT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Australian Central Western TimeACWSTUTC+8:45	Eucla	17h 45m ahead (Mar 8 – Nov 1)18h 45m ahead (Nov 1 – Mar 8)	–	Convert HAST to ACWST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Eastern Indonesia TimeWITUTC+9	Jayapura, Ambon, Sorong, Ternate	18h ahead (Mar 8 – Nov 1)19h ahead (Nov 1 – Mar 8)	–	Convert HAST to WIT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Japan TimeJSTUTC+9	Tokyo, Yokohama, Osaka, Nagoya	18h ahead (Mar 8 – Nov 1)19h ahead (Nov 1 – Mar 8)	–	Convert HAST to JST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Korean TimeKSTUTC+9	Seoul, Busan, Incheon, Daegu, Pyongyang, Hamhŭng, Namp’o, Sunch’ŏn	18h ahead (Mar 8 – Nov 1)19h ahead (Nov 1 – Mar 8)	–	Convert HAST to KST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Palau TimePWTUTC+9	Ngerulmud	18h ahead (Mar 8 – Nov 1)19h ahead (Nov 1 – Mar 8)	–	Convert HAST to PWT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Timor-Leste TimeUTC+9UTC+9	Dili, Maliana, Suai, Likisá	18h ahead (Mar 8 – Nov 1)19h ahead (Nov 1 – Mar 8)	–	Convert HAST to Dili
Hawaii-Aleutian Time – Adak (HAST/HADT)	Yakutsk TimeYAKTUTC+9	Chita, Yakutsk, Blagoveshchensk, Belogorsk	18h ahead (Mar 8 – Nov 1)19h ahead (Nov 1 – Mar 8)	–	Convert HAST to YAKT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Australian Central TimeACST/ACDTUTC+9:30 / UTC+10:30	Adelaide, Adelaide Hills, Mount Gambier, Morphett Vale	19h 30m ahead (Mar 8 – Apr 5)18h 30m ahead (Apr 5 – Oct 4)19h 30m ahead (Oct 4 – Nov 1)20h 30m ahead (Nov 1 – Mar 8)	–	Convert HAST to ACST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Australian Central Time – DarwinACSTUTC+9:30	Darwin, Palmerston, Alice Springs	18h 30m ahead (Mar 8 – Nov 1)19h 30m ahead (Nov 1 – Mar 8)	–	Convert HAST to ACST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Australian Eastern TimeAEST/AEDTUTC+10 / UTC+11	Sydney, Melbourne, Newcastle, Canberra	20h ahead (Mar 8 – Apr 5)19h ahead (Apr 5 – Oct 4)20h ahead (Oct 4 – Nov 1)21h ahead (Nov 1 – Mar 8)	–	Convert HAST to AEST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Australian Eastern Time – BrisbaneAESTUTC+10	Brisbane, Gold Coast, Sunshine Coast, Logan City	19h ahead (Mar 8 – Nov 1)20h ahead (Nov 1 – Mar 8)	–	Convert HAST to AEST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Chamorro TimeChSTUTC+10	Dededo Village, Yigo Village, Tamuning-Tumon-Harmon Village, Tamuning, Saipan	19h ahead (Mar 8 – Nov 1)20h ahead (Nov 1 – Mar 8)	–	Convert HAST to ChST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Chuuk TimeCHUTUTC+10	Chuuk	19h ahead (Mar 8 – Nov 1)20h ahead (Nov 1 – Mar 8)	–	Convert HAST to CHUT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Dumont d’Urville TimeUTC+10UTC+10	DumontDUrville	19h ahead (Mar 8 – Nov 1)20h ahead (Nov 1 – Mar 8)	–	Convert HAST to DumontDUrville
Hawaii-Aleutian Time – Adak (HAST/HADT)	Papua New Guinea TimePGTUTC+10	Port Moresby, Lae, Mount Hagen, Popondetta	19h ahead (Mar 8 – Nov 1)20h ahead (Nov 1 – Mar 8)	–	Convert HAST to PGT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Vladivostok TimeVLATUTC+10	Khabarovsk, Vladivostok, Khabarovsk Vtoroy, Komsomolsk-on-Amur	19h ahead (Mar 8 – Nov 1)20h ahead (Nov 1 – Mar 8)	–	Convert HAST to VLAT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Lord Howe TimeLHST/LHDTUTC+10:30 / UTC+11	Lord Howe	20h ahead (Mar 8 – Apr 5)19h 30m ahead (Apr 5 – Oct 4)20h ahead (Oct 4 – Nov 1)21h ahead (Nov 1 – Mar 8)	–	Convert HAST to LHST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Bougainville TimeBSTUTC+11	Arawa	20h ahead (Mar 8 – Nov 1)21h ahead (Nov 1 – Mar 8)	–	Convert HAST to BST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Kosrae TimeKOSTUTC+11	Kosrae, Palikir	20h ahead (Mar 8 – Nov 1)21h ahead (Nov 1 – Mar 8)	–	Convert HAST to KOST
Hawaii-Aleutian Time – Adak (HAST/HADT)	New Caledonia TimeNCTUTC+11	Nouméa, Mont-Dore, Dumbéa	20h ahead (Mar 8 – Nov 1)21h ahead (Nov 1 – Mar 8)	–	Convert HAST to NCT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Norfolk Island TimeNFTUTC+11 / UTC+12	Kingston	21h ahead (Mar 8 – Apr 5)20h ahead (Apr 5 – Oct 4)21h ahead (Oct 4 – Nov 1)22h ahead (Nov 1 – Mar 8)	–	Convert HAST to NFT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Sakhalin TimeSAKTUTC+11	Yuzhno-Sakhalinsk, Magadan, Korsakov, Kholmsk	20h ahead (Mar 8 – Nov 1)21h ahead (Nov 1 – Mar 8)	–	Convert HAST to SAKT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Solomon Islands TimeSBTUTC+11	Honiara, Panatina, Nggosi, Tandai	20h ahead (Mar 8 – Nov 1)21h ahead (Nov 1 – Mar 8)	–	Convert HAST to SBT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Vanuatu TimeVUTUTC+11	Port-Vila	20h ahead (Mar 8 – Nov 1)21h ahead (Nov 1 – Mar 8)	–	Convert HAST to VUT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Fiji TimeFJTUTC+12	Nasinu, Suva, Lautoka, Nadi	21h ahead (Mar 8 – Nov 1)22h ahead (Nov 1 – Mar 8)	–	Convert HAST to FJT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Gilbert Islands TimeGILTUTC+12	Tarawa	21h ahead (Mar 8 – Nov 1)22h ahead (Nov 1 – Mar 8)	–	Convert HAST to GILT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Kamchatka TimePETTUTC+12	Petropavlovsk-Kamchatsky, Yelizovo, Vilyuchinsk, Anadyr	21h ahead (Mar 8 – Nov 1)22h ahead (Nov 1 – Mar 8)	–	Convert HAST to PETT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Marshall Islands TimeMHTUTC+12	Majuro, Kwajalein	21h ahead (Mar 8 – Nov 1)22h ahead (Nov 1 – Mar 8)	–	Convert HAST to MHT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Nauru TimeNRTUTC+12	Yaren	21h ahead (Mar 8 – Nov 1)22h ahead (Nov 1 – Mar 8)	–	Convert HAST to NRT
Hawaii-Aleutian Time – Adak (HAST/HADT)	New Zealand TimeNZST/NZDTUTC+12 / UTC+13	Auckland, Christchurch, Wellington, Manukau City, McMurdo	22h ahead (Mar 8 – Apr 5)21h ahead (Apr 5 – Sep 27)22h ahead (Sep 27 – Nov 1)23h ahead (Nov 1 – Mar 8)	–	Convert HAST to NZST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Tuvalu TimeTVTUTC+12	Funafuti	21h ahead (Mar 8 – Nov 1)22h ahead (Nov 1 – Mar 8)	–	Convert HAST to TVT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Wake Island TimeWAKTUTC+12	Wake	21h ahead (Mar 8 – Nov 1)22h ahead (Nov 1 – Mar 8)	–	Convert HAST to WAKT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Wallis & Futuna TimeWFTUTC+12	Mata-Utu	21h ahead (Mar 8 – Nov 1)22h ahead (Nov 1 – Mar 8)	–	Convert HAST to WFT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Chatham TimeCHAST/CHADTUTC+12:45 / UTC+13:45	Chatham	22h 45m ahead (Mar 8 – Apr 5)21h 45m ahead (Apr 5 – Sep 27)22h 45m ahead (Sep 27 – Nov 1)23h 45m ahead (Nov 1 – Mar 8)	–	Convert HAST to CHAST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Phoenix Islands TimePHOTUTC+13	Kanton	22h ahead (Mar 8 – Nov 1)23h ahead (Nov 1 – Mar 8)	–	Convert HAST to PHOT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Samoa TimeSSTUTC+13	Apia	22h ahead (Mar 8 – Nov 1)23h ahead (Nov 1 – Mar 8)	–	Convert HAST to SST
Hawaii-Aleutian Time – Adak (HAST/HADT)	Tokelau TimeTKTUTC+13	Fakaofo	22h ahead (Mar 8 – Nov 1)23h ahead (Nov 1 – Mar 8)	–	Convert HAST to TKT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Tonga TimeTOTUTC+13	Nuku‘alofa	22h ahead (Mar 8 – Nov 1)23h ahead (Nov 1 – Mar 8)	–	Convert HAST to TOT
Hawaii-Aleutian Time – Adak (HAST/HADT)	Line Islands TimeLINTUTC+14	Kiritimati	23h ahead (Mar 8 – Nov 1)24h ahead (Nov 1 – Mar 8)	–	Convert HAST to LINT

Hawaii-Aleutian Time

United States

Abbreviation: HAST/HADT
Current UTC offset: UTC-10
Daylight saving: Observed
Major cities: Adak

Coordinated Universal Time

Worldwide reference scale

Abbreviation: UTC
Current UTC offset: UTC+0
Daylight saving: Not observed
Major cities: UTC

Cities in these time zones

A time zone is a rule, not a place. Cities that keep the same standard offset and switch their clocks on the same dates share one time zone, so they are listed together here and appear as a single option in the pickers above. Berlin, Paris, Madrid, and Rome are all Central European Time; New York and Toronto are both Eastern Time. Cities that merely happen to read the same right now stay separate — London and Abidjan both show UTC+0 each winter, but only London moves to UTC+1 in summer, so converting to one is not the same as converting to the other.

Every city below converts identically, on every date, including daylight-saving changeovers. Pick whichever name you recognise — the result is the same.

Hawaii-Aleutian Time

HAST/HADT · UTC-10

1 city

United States: Adak

Coordinated Universal Time

UTC · UTC+0

1 city

A reference scale rather than a place — no cities keep this time zone.

Complete tool guide

How to use the HAST to UTC Time Zone Converter: dates, times, formats, and limitations

The HAST to UTC Time Zone Converter is a free online time-and-date utility that converts a time in Hawaii-Aleutian Time to Coordinated Universal Time. It turns calendar or timestamp information into a structured result without requiring a spreadsheet formula, command-line script, or manual calendar count.

Date calculations need more care than ordinary arithmetic because months have different lengths, leap years add a day, local clocks use time zones and daylight-saving rules, and business-day conventions vary. The tool makes its browser-based calculation repeatable while the guide below explains the assumptions you should verify.

Why use this tool?

Calculate or inspect calendar information without manually counting through months and leap years.
Change inputs quickly to compare schedules, deadlines, durations, timestamps, and planning scenarios.
See multiple related representations and totals together rather than converting each field separately.
Copy useful values into development, reporting, travel, operations, or project-planning workflows.
Run the calculation in the browser without submitting entered dates to a date-calculation service.

Common use cases

Scheduling calls or meetings between Hawaii-Aleutian Time and Coordinated Universal Time regions.
Planning travel, broadcasts, or deadlines across the two zones.
Checking a spreadsheet, application, database, API, calendar, or manually calculated date result.
Translating technical time data into a form that colleagues or customers can understand.

How to use it

1
Enter a date, a time in HAST and confirm whether the value should be interpreted in local time or UTC.
2
Choose the operation or output mode that matches the question you need to answer.
3
Review the main converted time and the supporting breakdown, paying attention to direction, time zone, and included endpoints.
4
Copy the result together with its date format, unit, and time-zone context so it is not ambiguous later.

Calculation method

It resolves each zone through the IANA time-zone database so daylight-saving transitions are applied for the date you choose.

The browser applies calendar-aware date operations rather than treating every month as an identical number of days.

Understanding the output

converted time

When sharing a result, use an unambiguous format such as an ISO date and state the time zone whenever a clock time is involved.

Time zones and limitations

Abbreviations can shift with daylight saving, so confirm the date you are converting.

Historical, legal, payroll, financial-market, and cross-border scheduling rules can require authoritative holiday calendars or time-zone databases beyond a general browser calculation.

Practical tips for better results

Use the swap button to reverse the direction instantly.
The 24-hour chart shows the full-day mapping at a glance.
Write month names or use ISO YYYY-MM-DD when day/month order could be misunderstood.
State UTC or the named local time zone instead of using an unexplained clock time.
Confirm whether a duration includes the start date, end date, both, or neither.

Frequently asked questions

What is the HAST to UTC Time Zone Converter used for?

It converts a time in Hawaii-Aleutian Time to Coordinated Universal Time. Common uses include scheduling calls or meetings between hawaii-aleutian time and coordinated universal time regions.; planning travel, broadcasts, or deadlines across the two zones.. The supporting breakdown helps make the result easier to verify and communicate.

How are leap years and different month lengths handled?

The calculation uses calendar-aware browser dates, so February and the varying lengths of calendar months are considered. Results involving a month-end can still depend on the chosen operation and should be reviewed.

Can daylight-saving time affect the result?

Yes. A local-time interval that crosses a daylight-saving change can contain 23 or 25 clock hours even when the calendar dates are one day apart. Use UTC for elapsed technical time when appropriate.

Can I use this for payroll, legal deadlines, or official schedules?

Use it as a planning and verification aid. Official calculations may depend on jurisdiction-specific holidays, cut-off times, inclusion rules, contractual definitions, or authoritative time-zone data.

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