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IANA time zones

List of IANA time zones

Documentation

IANA time zones are a standardized set of time zone identifiers maintained by the Internet Assigned Numbers Authority (IANA). They are widely used across operating systems, databases, programming languages, and software in general. Each identifier typically represents a geographic region and reflects that region’s current timekeeping rules. This allows software to manage local times, perform time zone conversions, and adjust for daylight saving time where applicable.

IANA time zones

The IANA time zones table is shown below.

Time zoneUTC Offset
Africa/AbidjanUTC+00:00
Africa/AccraUTC+00:00
Africa/Addis_AbabaUTC+03:00
Africa/AlgiersUTC+01:00
Africa/AsmaraUTC+03:00
Africa/BamakoUTC+00:00
Africa/BanguiUTC+01:00
Africa/BanjulUTC+00:00
Africa/BissauUTC+00:00
Africa/BlantyreUTC+02:00
Africa/BrazzavilleUTC+01:00
Africa/BujumburaUTC+02:00
Africa/CairoUTC+02:00 – UTC+03:00
Africa/CasablancaUTC+01:00
Africa/CeutaUTC+01:00 – UTC+02:00
Africa/ConakryUTC+00:00
Africa/DakarUTC+00:00
Africa/Dar_es_SalaamUTC+03:00
Africa/DjiboutiUTC+03:00
Africa/DoualaUTC+01:00
Africa/El_AaiunUTC+01:00
Africa/FreetownUTC+00:00
Africa/GaboroneUTC+02:00
Africa/HarareUTC+02:00
Africa/JohannesburgUTC+02:00
Africa/JubaUTC+02:00
Africa/KampalaUTC+03:00
Africa/KhartoumUTC+02:00
Africa/KigaliUTC+02:00
Africa/KinshasaUTC+01:00
Africa/LagosUTC+01:00
Africa/LibrevilleUTC+01:00
Africa/LomeUTC+00:00
Africa/LuandaUTC+01:00
Africa/LubumbashiUTC+02:00
Africa/LusakaUTC+02:00
Africa/MalaboUTC+01:00
Africa/MaputoUTC+02:00
Africa/MaseruUTC+02:00
Africa/MbabaneUTC+02:00
Africa/MogadishuUTC+03:00
Africa/MonroviaUTC+00:00
Africa/NairobiUTC+03:00
Africa/NdjamenaUTC+01:00
Africa/NiameyUTC+01:00
Africa/NouakchottUTC+00:00
Africa/OuagadougouUTC+00:00
Africa/Porto-NovoUTC+01:00
Africa/Sao_TomeUTC+00:00
Africa/TripoliUTC+02:00
Africa/TunisUTC+01:00
Africa/WindhoekUTC+02:00
America/AdakUTC-10:00 – UTC-09:00
America/AnchorageUTC-09:00 – UTC-08:00
America/AnguillaUTC-04:00
America/AntiguaUTC-04:00
America/AraguainaUTC-03:00
America/Argentina/Buenos_AiresUTC-03:00
America/Argentina/CatamarcaUTC-03:00
America/Argentina/CordobaUTC-03:00
America/Argentina/JujuyUTC-03:00
America/Argentina/La_RiojaUTC-03:00
America/Argentina/MendozaUTC-03:00
America/Argentina/Rio_GallegosUTC-03:00
America/Argentina/SaltaUTC-03:00
America/Argentina/San_JuanUTC-03:00
America/Argentina/San_LuisUTC-03:00
America/Argentina/TucumanUTC-03:00
America/Argentina/UshuaiaUTC-03:00
America/ArubaUTC-04:00
America/AsuncionUTC-04:00 – UTC-03:00
America/AtikokanUTC-05:00
America/BahiaUTC-03:00
America/Bahia_BanderasUTC-06:00
America/BarbadosUTC-04:00
America/BelemUTC-03:00
America/BelizeUTC-06:00
America/Blanc-SablonUTC-04:00
America/Boa_VistaUTC-04:00
America/BogotaUTC-05:00
America/BoiseUTC-07:00 – UTC-06:00
America/Cambridge_BayUTC-07:00 – UTC-06:00
America/Campo_GrandeUTC-04:00
America/CancunUTC-05:00
America/CaracasUTC-04:00
America/CayenneUTC-03:00
America/CaymanUTC-05:00
America/ChicagoUTC-06:00 – UTC-05:00
America/ChihuahuaUTC-06:00
America/Ciudad_JuarezUTC-07:00 – UTC-06:00
America/Costa_RicaUTC-06:00
America/CoyhaiqueUTC-04:00 – UTC-03:00
America/CrestonUTC-07:00
America/CuiabaUTC-04:00
America/CuracaoUTC-04:00
America/DanmarkshavnUTC+00:00
America/DawsonUTC-07:00
America/Dawson_CreekUTC-07:00
America/DenverUTC-07:00 – UTC-06:00
America/DetroitUTC-05:00 – UTC-04:00
America/DominicaUTC-04:00
America/EdmontonUTC-07:00 – UTC-06:00
America/EirunepeUTC-05:00
America/El_SalvadorUTC-06:00
America/Fort_NelsonUTC-07:00
America/FortalezaUTC-03:00
America/Glace_BayUTC-04:00 – UTC-03:00
America/Goose_BayUTC-04:00 – UTC-03:00
America/Grand_TurkUTC-05:00 – UTC-04:00
America/GrenadaUTC-04:00
America/GuadeloupeUTC-04:00
America/GuatemalaUTC-06:00
America/GuayaquilUTC-05:00
America/GuyanaUTC-04:00
America/HalifaxUTC-04:00 – UTC-03:00
America/HavanaUTC-05:00 – UTC-04:00
America/HermosilloUTC-07:00
America/Indiana/IndianapolisUTC-05:00 – UTC-04:00
America/Indiana/KnoxUTC-06:00 – UTC-05:00
America/Indiana/MarengoUTC-05:00 – UTC-04:00
America/Indiana/PetersburgUTC-05:00 – UTC-04:00
America/Indiana/Tell_CityUTC-06:00 – UTC-05:00
America/Indiana/VevayUTC-05:00 – UTC-04:00
America/Indiana/VincennesUTC-05:00 – UTC-04:00
America/Indiana/WinamacUTC-05:00 – UTC-04:00
America/InuvikUTC-07:00 – UTC-06:00
America/IqaluitUTC-05:00 – UTC-04:00
America/JamaicaUTC-05:00
America/JuneauUTC-09:00 – UTC-08:00
America/Kentucky/LouisvilleUTC-05:00 – UTC-04:00
America/Kentucky/MonticelloUTC-05:00 – UTC-04:00
America/KralendijkUTC-04:00
America/La_PazUTC-04:00
America/LimaUTC-05:00
America/Los_AngelesUTC-08:00 – UTC-07:00
America/Lower_PrincesUTC-04:00
America/MaceioUTC-03:00
America/ManaguaUTC-06:00
America/ManausUTC-04:00
America/MarigotUTC-04:00
America/MartiniqueUTC-04:00
America/MatamorosUTC-06:00 – UTC-05:00
America/MazatlanUTC-07:00
America/MenomineeUTC-06:00 – UTC-05:00
America/MeridaUTC-06:00
America/MetlakatlaUTC-09:00 – UTC-08:00
America/Mexico_CityUTC-06:00
America/MiquelonUTC-03:00 – UTC-02:00
America/MonctonUTC-04:00 – UTC-03:00
America/MonterreyUTC-06:00
America/MontevideoUTC-03:00
America/MontserratUTC-04:00
America/NassauUTC-05:00 – UTC-04:00
America/New_YorkUTC-05:00 – UTC-04:00
America/NomeUTC-09:00 – UTC-08:00
America/NoronhaUTC-02:00
America/North_Dakota/BeulahUTC-06:00 – UTC-05:00
America/North_Dakota/CenterUTC-06:00 – UTC-05:00
America/North_Dakota/New_SalemUTC-06:00 – UTC-05:00
America/NuukUTC-02:00 – UTC-01:00
America/OjinagaUTC-06:00 – UTC-05:00
America/PanamaUTC-05:00
America/ParamariboUTC-03:00
America/PhoenixUTC-07:00
America/Port-au-PrinceUTC-05:00 – UTC-04:00
America/Port_of_SpainUTC-04:00
America/Porto_VelhoUTC-04:00
America/Puerto_RicoUTC-04:00
America/Punta_ArenasUTC-03:00
America/Rankin_InletUTC-06:00 – UTC-05:00
America/RecifeUTC-03:00
America/ReginaUTC-06:00
America/ResoluteUTC-06:00 – UTC-05:00
America/Rio_BrancoUTC-05:00
America/SantaremUTC-03:00
America/SantiagoUTC-04:00 – UTC-03:00
America/Santo_DomingoUTC-04:00
America/Sao_PauloUTC-03:00
America/ScoresbysundUTC-01:00 – UTC-01:00
America/SitkaUTC-09:00 – UTC-08:00
America/St_BarthelemyUTC-04:00
America/St_JohnsUTC-03:30 – UTC-02:30
America/St_KittsUTC-04:00
America/St_LuciaUTC-04:00
America/St_ThomasUTC-04:00
America/St_VincentUTC-04:00
America/Swift_CurrentUTC-06:00
America/TegucigalpaUTC-06:00
America/ThuleUTC-04:00 – UTC-03:00
America/TijuanaUTC-08:00 – UTC-07:00
America/TorontoUTC-05:00 – UTC-04:00
America/TortolaUTC-04:00
America/VancouverUTC-08:00 – UTC-07:00
America/WhitehorseUTC-07:00
America/WinnipegUTC-06:00 – UTC-05:00
America/YakutatUTC-09:00 – UTC-08:00
Antarctica/CaseyUTC+08:00
Antarctica/DavisUTC+07:00
Antarctica/DumontDUrvilleUTC+10:00
Antarctica/MacquarieUTC+10:00 – UTC+11:00
Antarctica/MawsonUTC+05:00
Antarctica/McMurdoUTC+12:00 – UTC+13:00
Antarctica/PalmerUTC-03:00
Antarctica/RotheraUTC-03:00
Antarctica/SyowaUTC+03:00
Antarctica/TrollUTC+00:00 – UTC+02:00
Antarctica/VostokUTC+07:00
Arctic/LongyearbyenUTC+01:00 – UTC+02:00
Asia/AdenUTC+03:00
Asia/AlmatyUTC+05:00 – UTC+06:00
Asia/AmmanUTC+03:00
Asia/AnadyrUTC+12:00
Asia/AqtauUTC+05:00
Asia/AqtobeUTC+05:00
Asia/AshgabatUTC+05:00
Asia/AtyrauUTC+05:00
Asia/BaghdadUTC+03:00
Asia/BahrainUTC+03:00
Asia/BakuUTC+04:00
Asia/BangkokUTC+07:00
Asia/BarnaulUTC+07:00
Asia/BeirutUTC+02:00 – UTC+03:00
Asia/BishkekUTC+06:00
Asia/BruneiUTC+08:00
Asia/ChitaUTC+09:00
Asia/ColomboUTC+05:30
Asia/DamascusUTC+03:00
Asia/DhakaUTC+06:00
Asia/DiliUTC+09:00
Asia/DubaiUTC+04:00
Asia/DushanbeUTC+05:00
Asia/FamagustaUTC+02:00 – UTC+03:00
Asia/GazaUTC+02:00 – UTC+03:00
Asia/HebronUTC+02:00 – UTC+03:00
Asia/Ho_Chi_MinhUTC+07:00
Asia/Hong_KongUTC+08:00
Asia/HovdUTC+07:00
Asia/IrkutskUTC+08:00
Asia/JakartaUTC+07:00
Asia/JayapuraUTC+09:00
Asia/JerusalemUTC+02:00 – UTC+03:00
Asia/KabulUTC+04:30
Asia/KamchatkaUTC+12:00
Asia/KarachiUTC+05:00
Asia/KathmanduUTC+05:45
Asia/KhandygaUTC+09:00
Asia/KolkataUTC+05:30
Asia/KrasnoyarskUTC+07:00
Asia/Kuala_LumpurUTC+08:00
Asia/KuchingUTC+08:00
Asia/KuwaitUTC+03:00
Asia/MacauUTC+08:00
Asia/MagadanUTC+11:00
Asia/MakassarUTC+08:00
Asia/ManilaUTC+08:00
Asia/MuscatUTC+04:00
Asia/NicosiaUTC+02:00 – UTC+03:00
Asia/NovokuznetskUTC+07:00
Asia/NovosibirskUTC+07:00
Asia/OmskUTC+06:00
Asia/OralUTC+05:00
Asia/Phnom_PenhUTC+07:00
Asia/PontianakUTC+07:00
Asia/PyongyangUTC+09:00
Asia/QatarUTC+03:00
Asia/QostanayUTC+05:00 – UTC+06:00
Asia/QyzylordaUTC+05:00
Asia/RiyadhUTC+03:00
Asia/SakhalinUTC+11:00
Asia/SamarkandUTC+05:00
Asia/SeoulUTC+09:00
Asia/ShanghaiUTC+08:00
Asia/SingaporeUTC+08:00
Asia/SrednekolymskUTC+11:00
Asia/TaipeiUTC+08:00
Asia/TashkentUTC+05:00
Asia/TbilisiUTC+04:00
Asia/TehranUTC+03:30
Asia/ThimphuUTC+06:00
Asia/TokyoUTC+09:00
Asia/TomskUTC+07:00
Asia/UlaanbaatarUTC+08:00
Asia/UrumqiUTC+06:00
Asia/Ust-NeraUTC+10:00
Asia/VientianeUTC+07:00
Asia/VladivostokUTC+10:00
Asia/YakutskUTC+09:00
Asia/YangonUTC+06:30
Asia/YekaterinburgUTC+05:00
Asia/YerevanUTC+04:00
Atlantic/AzoresUTC-01:00 – UTC+00:00
Atlantic/BermudaUTC-04:00 – UTC-03:00
Atlantic/CanaryUTC+00:00 – UTC+01:00
Atlantic/Cape_VerdeUTC-01:00
Atlantic/FaroeUTC+00:00 – UTC+01:00
Atlantic/MadeiraUTC+00:00 – UTC+01:00
Atlantic/ReykjavikUTC+00:00
Atlantic/South_GeorgiaUTC-02:00
Atlantic/St_HelenaUTC+00:00
Atlantic/StanleyUTC-03:00
Australia/AdelaideUTC+09:30 – UTC+10:30
Australia/BrisbaneUTC+10:00
Australia/Broken_HillUTC+09:30 – UTC+10:30
Australia/DarwinUTC+09:30
Australia/EuclaUTC+08:45
Australia/HobartUTC+10:00 – UTC+11:00
Australia/LindemanUTC+10:00
Australia/Lord_HoweUTC+10:30 – UTC+11:00
Australia/MelbourneUTC+10:00 – UTC+11:00
Australia/PerthUTC+08:00
Australia/SydneyUTC+10:00 – UTC+11:00
Europe/AmsterdamUTC+01:00 – UTC+02:00
Europe/AndorraUTC+01:00 – UTC+02:00
Europe/AstrakhanUTC+04:00
Europe/AthensUTC+02:00 – UTC+03:00
Europe/BelgradeUTC+01:00 – UTC+02:00
Europe/BerlinUTC+01:00 – UTC+02:00
Europe/BratislavaUTC+01:00 – UTC+02:00
Europe/BrusselsUTC+01:00 – UTC+02:00
Europe/BucharestUTC+02:00 – UTC+03:00
Europe/BudapestUTC+01:00 – UTC+02:00
Europe/BusingenUTC+01:00 – UTC+02:00
Europe/ChisinauUTC+02:00 – UTC+03:00
Europe/CopenhagenUTC+01:00 – UTC+02:00
Europe/DublinUTC+00:00 – UTC+01:00
Europe/GibraltarUTC+01:00 – UTC+02:00
Europe/GuernseyUTC+00:00 – UTC+01:00
Europe/HelsinkiUTC+02:00 – UTC+03:00
Europe/Isle_of_ManUTC+00:00 – UTC+01:00
Europe/IstanbulUTC+03:00
Europe/JerseyUTC+00:00 – UTC+01:00
Europe/KaliningradUTC+02:00
Europe/KirovUTC+03:00
Europe/KyivUTC+02:00 – UTC+03:00
Europe/LisbonUTC+00:00 – UTC+01:00
Europe/LjubljanaUTC+01:00 – UTC+02:00
Europe/LondonUTC+00:00 – UTC+01:00
Europe/LuxembourgUTC+01:00 – UTC+02:00
Europe/MadridUTC+01:00 – UTC+02:00
Europe/MaltaUTC+01:00 – UTC+02:00
Europe/MariehamnUTC+02:00 – UTC+03:00
Europe/MinskUTC+03:00
Europe/MonacoUTC+01:00 – UTC+02:00
Europe/MoscowUTC+03:00
Europe/OsloUTC+01:00 – UTC+02:00
Europe/ParisUTC+01:00 – UTC+02:00
Europe/PodgoricaUTC+01:00 – UTC+02:00
Europe/PragueUTC+01:00 – UTC+02:00
Europe/RigaUTC+02:00 – UTC+03:00
Europe/RomeUTC+01:00 – UTC+02:00
Europe/SamaraUTC+04:00
Europe/San_MarinoUTC+01:00 – UTC+02:00
Europe/SarajevoUTC+01:00 – UTC+02:00
Europe/SaratovUTC+04:00
Europe/SimferopolUTC+03:00
Europe/SkopjeUTC+01:00 – UTC+02:00
Europe/SofiaUTC+02:00 – UTC+03:00
Europe/StockholmUTC+01:00 – UTC+02:00
Europe/TallinnUTC+02:00 – UTC+03:00
Europe/TiraneUTC+01:00 – UTC+02:00
Europe/UlyanovskUTC+04:00
Europe/VaduzUTC+01:00 – UTC+02:00
Europe/VaticanUTC+01:00 – UTC+02:00
Europe/ViennaUTC+01:00 – UTC+02:00
Europe/VilniusUTC+02:00 – UTC+03:00
Europe/VolgogradUTC+03:00
Europe/WarsawUTC+01:00 – UTC+02:00
Europe/ZagrebUTC+01:00 – UTC+02:00
Europe/ZurichUTC+01:00 – UTC+02:00
Indian/AntananarivoUTC+03:00
Indian/ChagosUTC+06:00
Indian/ChristmasUTC+07:00
Indian/CocosUTC+06:30
Indian/ComoroUTC+03:00
Indian/KerguelenUTC+05:00
Indian/MaheUTC+04:00
Indian/MaldivesUTC+05:00
Indian/MauritiusUTC+04:00
Indian/MayotteUTC+03:00
Indian/ReunionUTC+04:00
Pacific/ApiaUTC+13:00
Pacific/AucklandUTC+12:00 – UTC+13:00
Pacific/BougainvilleUTC+11:00
Pacific/ChathamUTC+12:45 – UTC+13:45
Pacific/ChuukUTC+10:00
Pacific/EasterUTC-06:00 – UTC-05:00
Pacific/EfateUTC+11:00
Pacific/FakaofoUTC+13:00
Pacific/FijiUTC+12:00
Pacific/FunafutiUTC+12:00
Pacific/GalapagosUTC-06:00
Pacific/GambierUTC-09:00
Pacific/GuadalcanalUTC+11:00
Pacific/GuamUTC+10:00
Pacific/HonoluluUTC-10:00
Pacific/KantonUTC+13:00
Pacific/KiritimatiUTC+14:00
Pacific/KosraeUTC+11:00
Pacific/KwajaleinUTC+12:00
Pacific/MajuroUTC+12:00
Pacific/MarquesasUTC-09:30
Pacific/MidwayUTC-11:00
Pacific/NauruUTC+12:00
Pacific/NiueUTC-11:00
Pacific/NorfolkUTC+11:00 – UTC+12:00
Pacific/NoumeaUTC+11:00
Pacific/Pago_PagoUTC-11:00
Pacific/PalauUTC+09:00
Pacific/PitcairnUTC-08:00
Pacific/PohnpeiUTC+11:00
Pacific/Port_MoresbyUTC+10:00
Pacific/RarotongaUTC-10:00
Pacific/SaipanUTC+10:00
Pacific/TahitiUTC-10:00
Pacific/TarawaUTC+12:00
Pacific/TongatapuUTC+13:00
Pacific/WakeUTC+12:00
Pacific/WallisUTC+12:00

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