World Time Zone Map

Explore the map of time zones of the world shown below, World time zones divide the Earth into 24 sections, each representing one hour of the day, based on the planet's rotation. The system is anchored by Coordinated Universal Time (UTC), with time zones ranging from UTC-12 to UTC+14. The Prime Meridian at 0° longitude in Greenwich, England, serves as the reference point. Some regions observe Daylight Saving Time (DST), shifting the clock forward in summer to make better use of daylight. This system helps synchronize global activities, with large countries like the United States and Russia spanning multiple time zones due to their size.

About World Time Zone Map

Explore time zone map of the world. A time zone is a designated area of the earth that observes a standard time for commercial, legal, and social purposes.

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List of UTC Time Offsets

UTC Offset	Locations that do not use DST	Locations that use DST
UTC−12:00	Baker Island - Howland Island
UTC−11:00	American Samoa - Jarvis Island - Kingman Reef - Midway Atoll - Niue - Palmyra Atoll
UTC−10:00	Cook Islands - French Polynesia (most) - Johnston Atoll - United States: Hawaii	United States: Andreanof Islands, Islands of Four Mountains, Near Islands, Rat Islands (Aleutian Islands, Alaska)
UTC−09:30	French Polynesia: Marquesas Islands
UTC−09:00	French Polynesia: Gambier Islands	United States: Alaska (most)
UTC−08:00	Clipperton Island - Pitcairn Islands	Canada: British Columbia (most) - Mexico: Baja California - United States: California, Nevada, Oregon (most), Washington
UTC−07:00	Canada: British Columbia (northeast), Yukon - Mexico: Sonora - United States: Arizona (most)	Canada: Alberta, British Columbia (southeast), Northwest Territories, Nunavut (west) - Mexico: Baja California Sur, Chihuahua, Nayarit (most), Sinaloa - United States: Colorado, Idaho (most), Montana, New Mexico, Utah, Wyoming
UTC−06:00	Belize - Canada: Saskatchewan (most) - Costa Rica - Ecuador: Galápagos - El Salvador - Guatemala - Honduras - Nicaragua	Canada: Manitoba, Nunavut (central), Ontario (west) - Chile: Easter Island - Mexico (most) - United States: Alabama, Arkansas, Illinois, Iowa, Kansas (most), Louisiana, Minnesota, Mississippi, Missouri, Nebraska (most), North Dakota (most), Oklahoma, South Dakota (most), Tennessee (most), Texas (most), Wisconsin
UTC−05:00	Brazil: Acre - Canada: Atikokan, Mishkeegogamang, Southampton Island - Cayman Islands - Colombia - Ecuador (most) - Jamaica - Mexico: Quintana Roo - Navassa Island - Panama - Peru	Bahamas - Canada: Nunavut (east), Ontario (most), Quebec (most) - Cuba - Haiti - Turks and Caicos Islands - United States: Connecticut, Delaware, District of Columbia, Florida (most), Georgia, Indiana (most), Kentucky (most), Maine, Maryland, Massachusetts, Michigan (most), New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, South Carolina, Vermont, Virginia, West Virginia
UTC−04:00	Anguilla - Antigua and Barbuda - Aruba - Barbados - Bolivia - Brazil: Amazonas (most), Mato Grosso, Mato Grosso do Sul, Rondônia, Roraima - British Virgin Islands - Canada: Quebec (east) - Caribbean Netherlands - Curaçao - Dominica - Dominican Republic - Grenada Guadeloupe - Guyana - Martinique - Montserrat - Puerto Rico - Saint Barthélemy - Saint Kitts and Nevis - Saint Lucia - Saint Martin - Saint Vincent and the Grenadines - Sint Maarten - Trinidad and Tobago - U.S. Virgin Islands - Venezuela	Bermuda - Canada: Labrador (most), New Brunswick, Nova Scotia, Prince Edward Island - Chile (most) - Greenland: Thule Air Base - Paraguay
UTC−03:30		Canada: Newfoundland, Labrador (southeast)
UTC−03:00	Argentina - Brazil (most) - Chile: Magallanes - Falkland Islands - French Guiana - Suriname - Uruguay	Greenland (most) - Saint Pierre and Miquelon
UTC−02:00	Brazil: Fernando de Noronha - South Georgia and the South Sandwich Islands
UTC−01:00	Cape Verde	Greenland: Ittoqqortoormiit - Portugal: Azores
UTC±00:00	Burkina Faso - Gambia - Ghana - Greenland: Danmarkshavn - Guinea - Guinea-Bissau - Iceland - Ivory Coast - Liberia - Mali - Mauritania - Saint Helena - Ascension and Tristan da Cunha - Senegal - Sierra Leone - São Tomé and Príncipe - Togo	Faroe Islands - Guernsey - Ireland - Isle of Man - Jersey - Portugal (most) - Spain: Canary Islands - United Kingdom
UTC+01:00	Algeria - Angola - Benin - Cameroon - Central African Republic - Chad - Congo - Democratic Republic of the Congo: Équateur, Kinshasa, Kongo Central, Kwango, Kwilu, Mai-Ndombe, Mongala, Nord-Ubangi, Sud-Ubangi, Tshuapa - Equatorial Guinea - Gabon - Morocco - Niger - Nigeria - Tunisia - Western Sahara	Albania - Andorra - Austria - Belgium - Bosnia and Herzegovina - Croatia - Czech Republic - Denmark - France (metropolitan) - Germany - Gibraltar - Hungary - Italy - Kosovo - Liechtenstein - Luxembourg - Malta - Monaco - Montenegro - Netherlands (European) - North Macedonia - Norway - Poland - San Marino - Serbia - Slovakia - Slovenia - Spain (most) - Sweden - Switzerland - Vatican City
UTC+02:00	Botswana - Burundi - Democratic Republic of the Congo (most) - Egypt - Eswatini - Lesotho - Libya - Malawi - Mozambique - Namibia - Russia: Kaliningrad - Rwanda - South Africa (most) - South Sudan - Sudan - Zambia - Zimbabwe	Akrotiri and Dhekelia - Bulgaria - Cyprus - Estonia - Finland - Greece - Israel - Jordan - Latvia - Lebanon - Lithuania - Moldova - Northern Cyprus - Palestine - Romania - Transnistria - Syria - Ukraine (most)
UTC+03:00	Abkhazia - Bahrain - Belarus - Comoros - Djibouti - Eritrea - Ethiopia - French Southern and Antarctic Lands: Scattered Islands - Iraq - Kenya - Kuwait - Madagascar - Mayotte - Qatar - Russia (most of European part) - Saudi Arabia - Somalia - Somaliland - South Africa: Prince Edward Islands - South Ossetia - Tanzania - Turkey - Uganda - Ukraine: Donetsk PR, Luhansk PR - Yemen
UTC+03:30		Iran
UTC+04:00	Armenia - Artsakh - Azerbaijan - French Southern and Antarctic Lands: Crozet Islands - Georgia - Mauritius - Oman - Russia: Astrakhan, Samara, Saratov, Udmurtia, Ulyanovsk - Réunion - Seychelles - United Arab Emirates
UTC+04:30	Afghanistan
UTC+05:00	French Southern and Antarctic Lands: Kerguelen Islands, Saint Paul Island, Amsterdam Island - Heard Island and McDonald Islands - Kazakhstan: Aktobe, Atyrau, Baikonur, Kyzylorda, Mangystau, West Kazakhstan - Maldives - Pakistan - Russia: Bashkortostan, Chelyabinsk, Khanty-Mansi, Kurgan, Orenburg, Perm, Sverdlovsk, Tyumen, Yamalia - Tajikistan - Turkmenistan - Uzbekistan
UTC+05:30	India - Sri Lanka
UTC+05:45	Nepal
UTC+06:00	Bangladesh - Bhutan - British Indian Ocean Territory - Kazakhstan (most) - Kyrgyzstan - Russia: Omsk
UTC+06:30	Cocos Islands - Myanmar
UTC+07:00	Cambodia - Christmas Island - Indonesia: Sumatra, Java, West Kalimantan, Central Kalimantan - Laos - Mongolia: Bayan-Ölgii, Khovd, Uvs - Russia: Altai Krai, Altai Republic, Kemerovo, Khakassia, Krasnoyarsk, Novosibirsk, Tomsk, Tuva - Thailand - Vietnam
UTC+08:00	Australia: Western Australia (most) - Brunei - China - Hong Kong - Indonesia: South Kalimantan, East Kalimantan, North Kalimantan, Sulawesi, Bali, West Nusa Tenggara, East Nusa Tenggara - Macau - Malaysia - Mongolia (most) - Philippines - Russia: Buryatia, Irkutsk - Singapore - Taiwan
UTC+08:45	Australia: Eucla
UTC+09:00	East Timor - Indonesia: Maluku, North Maluku, Papua, West Papua - Japan - North Korea - Palau - Russia: Amur, Sakha (most), Zabaykalsky - South Korea
UTC+09:30	Australia: Northern Territory	Australia: South Australia
UTC+10:00	Australia: Queensland - Guam - Micronesia: Chuuk, Yap - Northern Mariana Islands - Papua New Guinea (most) - Russia: Jewish, Khabarovsk, Primorsky, Sakha (central-east)	Australia: Australian Capital Territory, Jervis Bay Territory, New South Wales (most), Tasmania, Victoria
UTC+10:30		Australia: Lord Howe Island
UTC+11:00	Micronesia: Kosrae, Pohnpei - New Caledonia - Papua New Guinea: Bougainville - Russia: Magadan, Sakha (east), Sakhalin - Solomon Islands - Vanuatu	Norfolk Island
UTC+12:00	Kiribati: Gilbert Islands - Marshall Islands - Nauru - Russia: Chukotka, Kamchatka - Tuvalu - Wake Island - Wallis and Futuna	Fiji - New Zealand (most)
UTC+12:45		New Zealand: Chatham Islands
UTC+13:00	Kiribati: Phoenix Islands - Tokelau - Tonga	Samoa
UTC+14:00	Kiribati: Line Islands

World Time Zones

World time zones are a system used to divide the Earth into regions where the local time is aligned with the position of the sun in the sky. The concept of time zones is essential for global coordination, ensuring that activities and schedules are synchronized across the world. The Earth is divided into 24 time zones, each corresponding roughly to 15 degrees of longitude, representing one hour of time difference. The system of time zones was introduced in the late 19th century, coinciding with the expansion of global trade and transportation, particularly the railways.

The Prime Meridian and Coordinated Universal Time (UTC)

At the heart of the time zone system is Coordinated Universal Time (UTC), which is the reference point for time worldwide. UTC is aligned with the Prime Meridian, located at 0° longitude in Greenwich, England, a decision made at the International Meridian Conference in 1884. This meridian serves as the starting point for measuring time zones, with other time zones being defined as offsets from UTC (e.g., UTC+5, UTC-7).

• UTC-12 is the earliest time zone, located 12 hours behind UTC, while UTC+14 is the furthest ahead, making the first places to experience each new day.
• The Earth completes a full rotation every 24 hours, so time zones are spaced 15 degrees apart, with each time zone representing an hour's difference from the next. However, political and geographic considerations cause some time zones to deviate from this pattern.

Global Time Zone Distribution

The globe's 24-hour day is divided into time zones to reflect the Earth's rotation and the position of the sun at different longitudes. The time in each time zone is determined by how far east or west the region is from the Prime Meridian. For example:

• Eastern Standard Time (EST) in the United States is UTC-5, meaning it is 5 hours behind UTC.
• Central European Time (CET) is UTC+1, one hour ahead of UTC.
• Indian Standard Time (IST) is UTC+5:30, reflecting one of the many exceptions to the standard one-hour interval rule due to historical and political reasons.

Some countries span multiple time zones due to their vast size. For example:

• Russia spans 11 time zones, from UTC+2 to UTC+12.
• The United States covers 6 time zones, including Eastern Time (UTC-5), Central Time (UTC-6), Mountain Time (UTC-7), Pacific Time (UTC-8), Alaska Time (UTC-9), and Hawaii-Aleutian Time (UTC-10).

Daylight Saving Time (DST)

Daylight Saving Time (DST) is a practice in many countries where clocks are set forward by one hour during the summer months to extend evening daylight. This shift typically occurs in the spring and is reversed in the fall. For example:

• In the United States, clocks are shifted forward in March and back in November.
• In Europe, DST typically runs from the last Sunday in March to the last Sunday in October.

However, not all countries observe DST. Countries near the equator, where daylight hours do not vary significantly throughout the year, generally do not use DST. For example, India and China do not observe DST, and Russia discontinued its use of DST in 2011.

Countries with Unique Time Zones

Several countries and regions use non-standard time zones that differ by increments smaller than a full hour. For instance:

• India Standard Time (IST) is set at UTC+5:30, 5 hours and 30 minutes ahead of UTC.
• Nepal Standard Time (NST) is UTC+5:45, 5 hours and 45 minutes ahead of UTC.
• Newfoundland Time (Canada) operates at UTC-3:30, a 30-minute offset from Atlantic Standard Time.

These half-hour and quarter-hour deviations typically reflect local needs and historical precedent.

Time Zone Adjustments and Anomalies

Time zone boundaries are not perfectly aligned with lines of longitude due to political, economic, and cultural considerations. Some regions adjust their time zones to align with their neighbors for economic or administrative reasons.

• China operates on a single time zone, China Standard Time (UTC+8), despite its vast size, which should span five time zones. This standardization allows for easier governance but leads to unusual situations in the western regions of China, where sunrise can occur as late as 10 AM.
• Similarly, India, a large country, uses one time zone, Indian Standard Time (UTC+5:30), despite its size.

International Date Line

The International Date Line (IDL), located roughly along the 180° meridian in the Pacific Ocean, marks the place where each day officially begins. When crossing the IDL from west to east, travelers subtract a day; when crossing from east to west, they add a day. This artificial line ensures that time remains consistent worldwide despite the Earth’s spherical shape.

The IDL deviates in several places to accommodate the territorial boundaries of countries and islands. For example:

• Kiribati, a Pacific island nation, moved the IDL eastward in 1995 to ensure that all of its islands would share the same calendar day, even though some are much closer to UTC+14.

Global Economic Impact of Time Zones

Time zones have a direct influence on business, communications, and travel. International trade and collaboration require coordination across multiple time zones, which is why systems such as Greenwich Mean Time (GMT) and UTC are crucial for synchronizing global markets.

For example:

• The New York Stock Exchange (NYSE) operates in Eastern Time (UTC-5), while the Tokyo Stock Exchange operates in Japan Standard Time (UTC+9). The time difference between major financial markets means that global stock trading occurs almost continuously, with little downtime.

Time zones also impact communication in multinational organizations, which must coordinate meetings and operations across different regions. Tools like world clocks and time zone converters have become essential for managing global businesses and minimizing the effects of time zone differences.

Future of Time Zones

As the world becomes more interconnected, some have proposed simplifying or eliminating time zones altogether. Proponents suggest adopting a global time standard based on UTC, with local times being adjusted for daylight. However, such proposals face challenges due to cultural preferences and the long-standing connection between local time and daylight.