Introduction

Timezone is a region of the globe that observes a uniform standard time for legal, commercial, and social purposes. Time zones tend to follow the boundaries of countries and their subdivisions because it is convenient for areas in close commercial or other communication to keep the same time.


Most of the time zones on land are offset from Coordinated Universal Time (UTC) by a whole number of hours (UTC−12:00 to UTC+14:00), but a few zones are offset by 30 or 45 minutes (e.g. Newfoundland Standard Time is UTC−03:30, Nepal Standard Time is UTC+05:45, and Indian Standard Time is UTC+05:30).


Some higher latitude and temperate zone countries use daylight saving time for part of the year, typically by adjusting local clock time by an hour. Many land time zones are skewed toward the west of the corresponding nautical time zones. This also creates a permanent daylight saving time effect.



Standard Offset Timezone

Standard Offset

Timezone Code

Aliases

-12:00

Etc/GMT+12

 /

-11:00

Etc/GMT+11

 /

-10:00

Etc/GMT+10

 /

-09:00

Etc/GMT+9

 /

-08:00

Etc/GMT+8

 /

-07:00

Etc/GMT+7

 /

-06:00

Etc/GMT+6

 /

-05:00

Etc/GMT+5

 /

-04:00

Etc/GMT+4

 /

-03:00

Etc/GMT+3

 /

-02:00

Etc/GMT+2

 /

-01:00

Etc/GMT+1

 /

+00:00

Etc/GMT

Etc/GMT+0, Etc/GMT-0, Etc/GMT0, Etc/Greenwich, GMT, GMT+0, GMT-0, GMT0, Greenwich

+00:00

Etc/UTC

UTC 

+00:00

Etc/UTC

Etc/Universal, Etc/Zulu, Universal, Zulu

+01:00

Etc/GMT-1

 /

+02:00

Etc/GMT-2

 /

+03:00

Etc/GMT-3

 /

+04:00

Etc/GMT-4

 /

+05:00

Etc/GMT-5

 /

+06:00

Etc/GMT-6

 /

+07:00

Etc/GMT-7

 /

+08:00

Etc/GMT-8

 /

+09:00

Etc/GMT-9

 /

+10:00

Etc/GMT-10

 /

+11:00

Etc/GMT-11

 /

+12:00

Etc/GMT-12

 /

+13:00

Etc/GMT-13

 /

+14:00

Etc/GMT-14

 /



City Timezone

Standard Offset

Timezone Code

Aliases

-11:00

Pacific/Apia

 /

-11:00

Pacific/Midway

 /

-11:00

Pacific/Niue

 /

-11:00

Pacific/Pago_Pago

Pacific/Samoa, US/Samoa

-10:00

America/Adak

America/Atka, US/Aleutian

-10:00

HST

 /

-10:00

Pacific/Fakaofo

 /

-10:00

Pacific/Honolulu

US/Hawaii

-10:00

Pacific/Johnston

 /

-10:00

Pacific/Rarotonga

 /

-10:00

Pacific/Tahiti

 /

-09:30

Pacific/Marquesas

 /

-09:00

America/Anchorage

US/Alaska

-09:00

America/Juneau

 /

-09:00

America/Nome

 /

-09:00

America/Yakutat

 /

-09:00

Pacific/Gambier

 /

-08:00

America/Dawson

 /

-08:00

America/Los_Angeles

US/Pacific, US/Pacific-New

-08:00

America/Santa_Isabel

 /

-08:00

America/Tijuana

America/Ensenada, Mexico/BajaNorte

-08:00

America/Vancouver

Canada/Pacific

-08:00

America/Whitehorse

Canada/Yukon

-08:00

PST8PDT

 /

-08:00

Pacific/Pitcairn

 /

-07:00

America/Boise

 /

-07:00

America/Cambridge_Bay

 /

-07:00

America/Chihuahua

 /

-07:00

America/Dawson_Creek

 /

-07:00

America/Denver

America/Shiprock, Navajo, US/Mountain

-07:00

America/Edmonton

Canada/Mountain

-07:00

America/Hermosillo

 /

-07:00

America/Inuvik

 /

-07:00

America/Mazatlan

Mexico/BajaSur

-07:00

America/Ojinaga

 /

-07:00

America/Phoenix

US/Arizona

-07:00

America/Yellowknife

 /

-07:00

MST

 /

-07:00

MST7MDT

 /

-06:00

America/Bahia_Banderas

 /

-06:00

America/Belize

 /

-06:00

America/Cancun

 /

-06:00

America/Chicago

US/Central

-06:00

America/Costa_Rica

 /

-06:00

America/El_Salvador

 /

-06:00

America/Guatemala

 /

-06:00

America/Indiana/Knox

America/Knox_IN, US/Indiana-Starke

-06:00

America/Indiana/Tell_City

 /

-06:00

America/Managua

 /

-06:00

America/Matamoros

 /

-06:00

America/Menominee

 /

-06:00

America/Merida

 /

-06:00

America/Mexico_City

Mexico/General

-06:00

America/Monterrey

 /

-06:00

America/North_Dakota/Center

 /

-06:00

America/North_Dakota/New_Salem

 /

-06:00

America/Rainy_River

 /

-06:00

America/Rankin_Inlet

 /

-06:00

America/Regina

Canada/East-Saskatchewan, Canada/Saskatchewan

-06:00

America/Swift_Current

 /

-06:00

America/Tegucigalpa

 /

-06:00

America/Winnipeg

Canada/Central

-06:00

CST6CDT

 /

-06:00

Pacific/Easter

Chile/EasterIsland

-06:00

Pacific/Galapagos

 /

-05:00

America/Atikokan

America/Coral_Harbour

-05:00

America/Bogota

 /

-05:00

America/Cayman

 /

-05:00

America/Detroit

US/Michigan

-05:00

America/Grand_Turk

 /

-05:00

America/Guayaquil

 /

-05:00

America/Havana

Cuba

-05:00

America/Indiana/Indianapolis

America/Fort_Wayne, America/Indianapolis, US/East-Indiana

-05:00

America/Indiana/Marengo

 /

-05:00

America/Indiana/Petersburg

 /

-05:00

America/Indiana/Vevay

 /

-05:00

America/Indiana/Vincennes

 /

-05:00

America/Indiana/Winamac

 /

-05:00

America/Iqaluit

 /

-05:00

America/Jamaica

Jamaica

-05:00

America/Kentucky/Louisville

America/Louisville

-05:00

America/Kentucky/Monticello

 /

-05:00

America/Lima

 /

-05:00

America/Montreal

 /

-05:00

America/Nassau

 /

-05:00

America/New_York

US/Eastern

-05:00

America/Nipigon

 /

-05:00

America/Panama

 /

-05:00

America/Pangnirtung

 /

-05:00

America/Port-au-Prince

 /

-05:00

America/Resolute

 /

-05:00

America/Thunder_Bay

 /

-05:00

America/Toronto

Canada/Eastern

-05:00

EST

 /

-05:00

EST5EDT

 /

-04:30

America/Caracas

 /

-04:00

America/Anguilla

 /

-04:00

America/Antigua

 /

-03:00

America/Argentina/San_Luis

 /

-04:00

America/Aruba

 /

-04:00

America/Asuncion

 /

-04:00

America/Barbados

 /

-04:00

America/Blanc-Sablon

 /

-04:00

America/Boa_Vista

 /

-04:00

America/Campo_Grande

 /

-04:00

America/Cuiaba

 /

-04:00

America/Curacao

 /

-04:00

America/Dominica

 /

-04:00

America/Eirunepe

 /

-04:00

America/Glace_Bay

 /

-04:00

America/Goose_Bay

 /

-04:00

America/Grenada

 /

-04:00

America/Guadeloupe

America/Marigot, America/St_Barthelemy

-04:00

America/Guyana

 /

-04:00

America/Halifax

Canada/Atlantic

-04:00

America/La_Paz

 /

-04:00

America/Manaus

Brazil/West

-04:00

America/Martinique

 /

-04:00

America/Moncton

 /

-04:00

America/Montserrat

 /

-04:00

America/Port_of_Spain

 /

-04:00

America/Porto_Velho

 /

-04:00

America/Puerto_Rico

 /

-04:00

America/Rio_Branco

America/Porto_Acre, Brazil/Acre

-04:00

America/Santiago

Chile/Continental

-04:00

America/Santo_Domingo

 /

-04:00

America/St_Kitts

 /

-04:00

America/St_Lucia

 /

-04:00

America/St_Thomas

America/Virgin

-04:00

America/St_Vincent

 /

-04:00

America/Thule

 /

-04:00

America/Tortola

 /

-04:00

Antarctica/Palmer

 /

-04:00

Atlantic/Bermuda

 /

-04:00

Atlantic/Stanley

 /

-03:30

America/St_Johns

Canada/Newfoundland

-03:00

America/Araguaina

 /

-03:00

America/Argentina/Buenos_Aires

America/Buenos_Aires

-03:00

America/Argentina/Catamarca

America/Argentina/ComodRivadavia, America/Catamarca

-03:00

America/Argentina/Cordoba

America/Cordoba, America/Rosario

-03:00

America/Argentina/Jujuy

America/Jujuy

-03:00

America/Argentina/La_Rioja

 /

-03:00

America/Argentina/Mendoza

America/Mendoza

-03:00

America/Argentina/Rio_Gallegos

 /

-03:00

America/Argentina/Salta

 /

-03:00

America/Argentina/San_Juan

 /

-03:00

America/Argentina/Tucuman

 /

-03:00

America/Argentina/Ushuaia

 /

-03:00

America/Bahia

 /

-03:00

America/Belem

 /

-03:00

America/Cayenne

 /

-03:00

America/Fortaleza

 /

-03:00

America/Godthab

 /

-03:00

America/Maceio

 /

-03:00

America/Miquelon

 /

-03:00

America/Montevideo

 /

-03:00

America/Paramaribo

 /

-03:00

America/Recife

 /

-03:00

America/Santarem

 /

-03:00

America/Sao_Paulo

Brazil/East

-03:00

Antarctica/Rothera

 /

-02:00

America/Noronha

Brazil/DeNoronha

-02:00

Atlantic/South_Georgia

 /

-01:00

America/Scoresbysund

 /

-01:00

Atlantic/Azores

 /

-01:00

Atlantic/Cape_Verde

 /

+00:00

Africa/Abidjan

 /

+00:00

Africa/Accra

 /

+00:00

Africa/Bamako

Africa/Timbuktu

+00:00

Africa/Banjul

 /

+00:00

Africa/Bissau

 /

+00:00

Africa/Casablanca

 /

+00:00

Africa/Conakry

 /

+00:00

Africa/Dakar

 /

+00:00

Africa/El_Aaiun

 /

+00:00

Africa/Freetown

 /

+00:00

Africa/Lome

 /

+00:00

Africa/Monrovia

 /

+00:00

Africa/Nouakchott

 /

+00:00

Africa/Ouagadougou

 /

+00:00

Africa/Sao_Tome

 /

+00:00

America/Danmarkshavn

 /

+00:00

Atlantic/Canary

 /

+00:00

Atlantic/Faroe

Atlantic/Faeroe

+00:00

Atlantic/Madeira

 /

+00:00

Atlantic/Reykjavik

Iceland

+00:00

Atlantic/St_Helena

 /

+00:00

Europe/Dublin

Eire

+00:00

Europe/Lisbon

Portugal

+00:00

Europe/London

Europe/Belfast, Europe/Guernsey, Europe/Isle_of_Man, Europe/Jersey, GB, GB-Eire

+00:00

UTC

 /

+00:00

WET

 /

+01:00

Africa/Algiers

 /

+01:00

Africa/Bangui

 /

+01:00

Africa/Brazzaville

 /

+01:00

Africa/Ceuta

 /

+01:00

Africa/Douala

 /

+01:00

Africa/Kinshasa

 /

+01:00

Africa/Lagos

 /

+01:00

Africa/Libreville

 /

+01:00

Africa/Luanda

 /

+01:00

Africa/Malabo

 /

+01:00

Africa/Ndjamena

 /

+01:00

Africa/Niamey

 /

+01:00

Africa/Porto-Novo

 /

+01:00

Africa/Tunis

 /

+01:00

Africa/Windhoek

 /

+01:00

CET

 /

+01:00

Europe/Amsterdam

 /

+01:00

Europe/Andorra

 /

+01:00

Europe/Belgrade

Europe/Ljubljana, Europe/Podgorica, Europe/Sarajevo, Europe/Skopje, Europe/Zagreb

+01:00

Europe/Berlin

 /

+01:00

Europe/Brussels

 /

+01:00

Europe/Budapest

 /

+01:00

Europe/Copenhagen

 /

+01:00

Europe/Gibraltar

 /

+01:00

Europe/Luxembourg

 /

+01:00

Europe/Madrid

 /

+01:00

Europe/Malta

 /

+01:00

Europe/Monaco

 /

+01:00

Europe/Oslo

Arctic/Longyearbyen, Atlantic/Jan_Mayen

+01:00

Europe/Paris

 /

+01:00

Europe/Prague

Europe/Bratislava

+01:00

Europe/Rome

Europe/San_Marino, Europe/Vatican

+01:00

Europe/Stockholm

 /

+01:00

Europe/Tirane

 /

+01:00

Europe/Vaduz

 /

+01:00

Europe/Vienna

 /

+01:00

Europe/Warsaw

Poland

+01:00

Europe/Zurich

 /

+01:00

MET

 /

+02:00

Africa/Blantyre

 /

+02:00

Africa/Bujumbura

 /

+02:00

Africa/Cairo

Egypt

+02:00

Africa/Gaborone

 /

+02:00

Africa/Harare

 /

+02:00

Africa/Johannesburg

 /

+02:00

Africa/Kigali

 /

+02:00

Africa/Lubumbashi

 /

+02:00

Africa/Lusaka

 /

+02:00

Africa/Maputo

 /

+02:00

Africa/Maseru

 /

+02:00

Africa/Mbabane

 /

+02:00

Africa/Tripoli

Libya

+02:00

Asia/Amman

 /

+02:00

Asia/Beirut

 /

+02:00

Asia/Damascus

 /

+02:00

Asia/Gaza

 /

+02:00

Asia/Jerusalem

Asia/Tel_Aviv, Israel

+02:00

Asia/Nicosia

Europe/Nicosia

+02:00

EET

 /

+02:00

Europe/Athens

 /

+02:00

Europe/Bucharest

 /

+02:00

Europe/Chisinau

Europe/Tiraspol

+02:00

Europe/Helsinki

Europe/Mariehamn

+02:00

Europe/Istanbul

Asia/Istanbul, Turkey

+02:00

Europe/Kaliningrad

 /

+02:00

Europe/Kiev

 /

+02:00

Europe/Minsk

 /

+02:00

Europe/Riga

 /

+02:00

Europe/Simferopol

 /

+02:00

Europe/Sofia

 /

+02:00

Europe/Tallinn

 /

+02:00

Europe/Uzhgorod

 /

+02:00

Europe/Vilnius

 /

+02:00

Europe/Zaporozhye

 /

+03:00

Africa/Addis_Ababa

 /

+03:00

Africa/Asmara

Africa/Asmera

+03:00

Africa/Dar_es_Salaam

 /

+03:00

Africa/Djibouti

 /

+03:00

Africa/Kampala

 /

+03:00

Africa/Khartoum

 /

+03:00

Africa/Mogadishu

 /

+03:00

Africa/Nairobi

 /

+03:00

Antarctica/Syowa

 /

+03:00

Asia/Aden

 /

+03:00

Asia/Baghdad

 /

+03:00

Asia/Bahrain

 /

+03:00

Asia/Kuwait

 /

+03:00

Asia/Qatar

 /

+03:00

Asia/Riyadh

 /

+03:00

Europe/Moscow

W-SU

+03:00

Europe/Samara

 /

+03:00

Europe/Volgograd

 /

+03:00

Indian/Antananarivo

 /

+03:00

Indian/Comoro

 /

+03:00

Indian/Mayotte

 /

+03:30

Asia/Tehran

Iran

+04:00

Asia/Baku

 /

+04:00

Asia/Dubai

 /

+04:00

Asia/Muscat

 /

+04:00

Asia/Tbilisi

 /

+04:00

Asia/Yerevan

 /

+04:00

Indian/Mahe

 /

+04:00

Indian/Mauritius

 /

+04:00

Indian/Reunion

 /

+04:30

Asia/Kabul

 /

+05:00

Antarctica/Mawson

 /

+05:00

Asia/Aqtau

 /

+05:00

Asia/Aqtobe

 /

+05:00

Asia/Ashgabat

Asia/Ashkhabad

+05:00

Asia/Dushanbe

 /

+05:00

Asia/Karachi

 /

+05:00

Asia/Oral

 /

+05:00

Asia/Samarkand

 /

+05:00

Asia/Tashkent

 /

+05:00

Asia/Yekaterinburg

 /

+05:00

Indian/Kerguelen

 /

+05:00

Indian/Maldives

 /

+05:30

Asia/Colombo

 /

+05:30

Asia/Kolkata

Asia/Calcutta

+05:45

Asia/Kathmandu

Asia/Katmandu

+06:00

Antarctica/Vostok

 /

+06:00

Asia/Almaty

 /

+06:00

Asia/Bishkek

 /

+06:00

Asia/Dhaka

Asia/Dacca

+06:00

Asia/Novokuznetsk

 /

+06:00

Asia/Novosibirsk

 /

+06:00

Asia/Omsk

 /

+06:00

Asia/Qyzylorda

 /

+06:00

Asia/Thimphu

Asia/Thimbu

+06:00

Indian/Chagos

 /

+06:30

Asia/Rangoon

 /

+06:30

Indian/Cocos

 /

+07:00

Antarctica/Davis

 /

+07:00

Asia/Bangkok

 /

+07:00

Asia/Ho_Chi_Minh

Asia/Saigon

+07:00

Asia/Hovd

 /

+07:00

Asia/Jakarta

 /

+07:00

Asia/Krasnoyarsk

 /

+07:00

Asia/Phnom_Penh

 /

+07:00

Asia/Pontianak

 /

+07:00

Asia/Vientiane

 /

+07:00

Indian/Christmas

 /

+08:00

Antarctica/Casey

 /

+08:00

Asia/Brunei

 /

+08:00

Asia/Choibalsan

 /

+08:00

Asia/Chongqing

Asia/Chungking

+08:00

Asia/Harbin

 /

+08:00

Asia/Hong_Kong

Hongkong

+08:00

Asia/Irkutsk

 /

+08:00

Asia/Kashgar

 /

+08:00

Asia/Kuala_Lumpur

 /

+08:00

Asia/Kuching

 /

+08:00

Asia/Macau

Asia/Macao

+08:00

Asia/Makassar

Asia/Ujung_Pandang

+08:00

Asia/Manila

 /

+08:00

Asia/Shanghai

PRC

+08:00

Asia/Singapore

Singapore

+08:00

Asia/Taipei

ROC

+08:00

Asia/Ulaanbaatar

Asia/Ulan_Bator

+08:00

Asia/Urumqi

 /

+08:00

Australia/Perth

Australia/West

+08:45

Australia/Eucla

 /

+09:00

Asia/Dili

 /

+09:00

Asia/Jayapura

 /

+09:00

Asia/Pyongyang

 /

+09:00

Asia/Seoul

ROK

+09:00

Asia/Tokyo

Japan

+09:00

Asia/Yakutsk

 /

+09:00

Pacific/Palau

 /

+09:30

Australia/Adelaide

Australia/South

+09:30

Australia/Broken_Hill

Australia/Yancowinna

+09:30

Australia/Darwin

Australia/North

+10:00

Antarctica/DumontDUrville

 /

+10:00

Asia/Sakhalin

 /

+10:00

Asia/Vladivostok

 /

+10:00

Australia/Brisbane

Australia/Queensland

+10:00

Australia/Currie

 /

+10:00

Australia/Hobart

Australia/Tasmania

+10:00

Australia/Lindeman

 /

+10:00

Australia/Melbourne

Australia/Victoria

+10:00

Australia/Sydney

Australia/ACT, Australia/Canberra, Australia/NSW

+10:00

Pacific/Chuuk

Pacific/Truk, Pacific/Yap

+10:00

Pacific/Guam

 /

+10:00

Pacific/Port_Moresby

 /

+10:00

Pacific/Saipan

 /

+10:30

Australia/Lord_Howe

Australia/LHI

+11:00

Antarctica/Macquarie

 /

+11:00

Asia/Anadyr

 /

+11:00

Asia/Kamchatka

 /

+11:00

Asia/Magadan

 /

+11:00

Pacific/Efate

 /

+11:00

Pacific/Guadalcanal

 /

+11:00

Pacific/Kosrae

 /

+11:00

Pacific/Noumea

 /

+11:00

Pacific/Pohnpei

Pacific/Ponape

+11:30

Pacific/Norfolk

 /

+12:00

Antarctica/McMurdo

Antarctica/South_Pole

+12:00

Pacific/Auckland

NZ

+12:00

Pacific/Fiji

 /

+12:00

Pacific/Funafuti

 /

+12:00

Pacific/Kwajalein

Kwajalein

+12:00

Pacific/Majuro

 /

+12:00

Pacific/Nauru

 /

+12:00

Pacific/Tarawa

 /

+12:00

Pacific/Wake

 /

+12:00

Pacific/Wallis

 /

+12:45

Pacific/Chatham

NZ-CHAT

+13:00

Pacific/Enderbury

 /

+13:00

Pacific/Tongatapu

 /

+14:00

Pacific/Kiritimati

 /