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Line 1: − '''Greenwich Mean Time''', or '''GMT''' is the mean time that the [[earth]] takes to rotate from noon-to-noon.+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + − [http://wwp.greenwichmeantime.com/ GreenwichMeanTime.com]+
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Greenwich Mean Time, or GMT is the mean time that the earth takes to rotate from noon-to-noon. <ref>http://wwp.greenwichmeantime.com/what-is-gmt.htm</ref> The Greenwich Meridian (Prime Meridian or Longitude Zero degrees) marks the starting point of every time zone in the World.
For every 15˚ change in longitude away from the Prime Meridian, there is one hours' difference in local time, compared to that at Greenwich. Towards the east of Greenwich, the local time will be ahead of GMT, whilst to the west, local time will lag GMT. This has resulted in the world being divided into 24 time zones,but also large land masses and countries being divided into several time zones.
Although GMT has been replaced by atomic time (Coordinated Universal Time or UTC) it is still widely regarded as the correct time for every international time zone.
Allowance also needs to be made for [[Daylight Saving Time]], or Summer Time Zones, where applicable, which include an offset of an extra hour.
The International Date Line is an imaginary line running approximately between time GMT+12 and GMT-12, that separates two consecutive calendar days. The date in the Eastern hemisphere, to the left of the line - time zone M (Mike)- is always one day ahead of the date in the Western hemisphere, to the right of the International Date Line - time zone Y (Yankee).
It has been recognized as a matter of convenience and has no force in international law.
==Time Zones==
The following is an alphabetical list of countries, per time zone <ref>http://www.worldtimezone.com/</ref>
==GMT - 12==
* Baker Island
* Howland Island
[[Greenwich Mean Time#Time Zones|Back to Top]]
==GMT - 11==
* American Samoa
* Jarvis Island
* Kingman Reef
* Midway Islands
* Niue
* Palmyra Atoll
* Samoa
[[Greenwich Mean Time#Time Zones|Back to Top]]
==GMT - 10==
* Cook Islands
* French Polynesia
* Johnston Atoll
* Tokelau, New Zealand
* United States (Hawaii)
* United States (Aleutian Islands)
[[Greenwich Mean Time#Time Zones|Back to Top]]
==GMT - 9==
* French Polynesia
* United States (Alaska)
[[Greenwich Mean Time#Time Zones|Back to Top]]
==GMT - 8==
* Canada (British Columbia, Vancouver, Yukon, Whitehorse)
* Mexico (Baja California, Tijuana, Ensenada, Mexicali)
* Pitcairn
* United States (California, Nevada, Oregon, Washington, Idaho)
[[Greenwich Mean Time#Time Zones|Back to Top]]
==GMT - 7==
* Canada (Alberta, Northwest Territories)
* Mexico (Baja California Sur, Chihuahua, Nayarit, Sinaloa)
* United States (Arizona, Colorado, Idaho, Montana, Nebraska, New Mexico, N Dakota, Oregon, S Dakota, Utah, Wyoming)
[[Greenwich Mean Time#Time Zones|Back to Top]]
==GMT - 6==
* Belize
* Canada (Manitoba, Saskatchewan)
* Easter Island, Chile
* Costa Rica
* Galapagos Islands, Ecuador
* El Salvador
* Guatemala
* Honduras
* Mexico (Mexico City, Acapulco, Monterrey, Veracruz, Guadalajara, Cancun)
* Nicaragua
* United States (Alabama, Arkansas, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Minnesota, Mississippi, Missouri, Nebraska (Eastern), Oklahoma, Tennessee, Texas, Wisconsin
[[Greenwich Mean Time#Time Zones|Back to Top]]
==GMT - 5==
* Bahamas
* Brazil (Acre-Rio Branco)
* Canada (Quebec, Ontario, Nunavut)
* Cayman Islands
* Colombia
* Cuba
* Ecuador
* Haiti
* Jamaica
* Navassa Island
* Panama
* Peru
* Turks And Caicos Islands
* United States (New York, District Of Columbia, Florida, Massachusetts, Georgia, Michigan, Connecticut, Delaware, Indiana, Kentucky (Eastern And Central), Maine, Maryland, New Hampshire, New Jersey, N Carolina, Ohio, Pennsylvania, Rhode Island, S Carolina, Tennessee (Eastern), Vermont, Virginia, W Virginia)
[[Greenwich Mean Time#Time Zones|Back to Top]]
==GMT - 4==
* Anguilla
* Antigua And Barbuda
* Aruba
* Barbados
* Bermuda
* Bolivia
* Brazil (Manaus)
* Canada (New Brunswick, Nova Scotia, Prince Edward Island)
* Chile
* Dominica
* Dominican Republic
* Falkland Islands
* Greenland
* Grenada
* Guadeloupe
* Guyana
* Martinique
* Montserrat
* Netherlands Antilles
* Paraguay
* Puerto Rico
* Saint Kitts And Nevis
* Saint Lucia
* Saint Vincent And The Grenadines
* Trinidad And Tobago
* Virgin Islands
* British Virgin Islands
* Antarctica (O'Higgins Station, Palmer Station)
[[Greenwich Mean Time#Time Zones|Back to Top]]
==GMT - 3==
* Argentina
* Brazil (Rio De Janeiro, Sao Paulo, Brasilia, Recife, Maceio, Salvador, Fortaleza)
* French Guiana
* Greenland (Nuuk)
* Saint Pierre And Miquelon
* Suriname
* Uruguay
[[Greenwich Mean Time#Time Zones|Back to Top]]
==GMT - 2==
* Brazil (Fernando De Noronha)
* South Georgia And South Sandwich Islands
[[Greenwich Mean Time#Time Zones|Back to Top]]
==GMT - 1==
* Cape Verde
* Greenland (East)
* Portugal (Azores)
[[Greenwich Mean Time#Time Zones|Back to Top]]
==GMT==
* Burkina Faso
* Canary Islands
* Cote D'Ivoire
* Faroe Islands
* The Gambia
* Ghana
* Guinea
* Guinea-Bissau
* Iceland
* Ireland
* Liberia
* Mali
* Mauritania
* Morocco
* Portugal
* Saint Helena
* Sao Tome And Principe
* Senegal
* Sierra Leone
* Togo
* United Kingdom
* Western Sahara
[[Greenwich Mean Time#Time Zones|Back to Top]]
==GMT + 1==
* Albania
* Andorra
* Algeria
* Angola
* Austria
* Belgium
* Benin
* Bosnia-Herzegovina
* Cameroon
* Central African Republic
* Chad
* Congo, Republic Of The
* Congo, Democratic Republic Of The (Kinshasha)
* Croatia
* Czech Republic
* Denmark
* Equatorial Guinea
* Macedonia
* France
* Gabon
* Germany
* Gibraltar
* Hungary
* Italy
* Liechtenstein
* Luxembourg
* Malta
* Monaco
* Namibia
* Netherlands
* Niger
* Nigeria
* Norway
* Poland
* San Marino
* Serbia And Montenegro
* Slovakia
* Slovenia
* Spain
* Sweden
* Switzerland
* Tunisia
* Vatican
[[Greenwich Mean Time#Time Zones|Back to Top]]
==GMT + 2==
* Belarus
* Botswana
* Bulgaria
* Burundi
* Congo, Democratic Republic Of The (Lubumbashi)
* Cyprus
* Egypt
* Estonia
* Finland
* Gaza Strip
* Greece
* Israel
* Jordan
* Latvia
* Lebanon
* Lesotho
* Libya
* Lithuania
* Malawi
* Moldova
* Mozambique
* Romania
* Russia (Zone 1)
* Rwanda
* South Africa
* Swaziland
* Syria
* Turkey
* Ukraine
* West Bank
* Zambia
* Zimbabwe
[[Greenwich Mean Time#Time Zones|Back to Top]]
==GMT + 3==
* Bahrain
* Comoros
* Djibouti
* Ethiopia
* Eritrea
* Iraq
* Kenya
* Kuwait
* Madagascar
* Qatar
* Russia (Zone 2)
* Saudi Arabia
* Somalia
* Sudan
* Tanzania
* Uganda
* Yemen
[[Greenwich Mean Time#Time Zones|Back to Top]]
==GMT + 4==
* Armenia
* Azerbaijan
* Georgia
* Mauritius
* Oman
* Reunion
* Russia (Zone 3)
* Seychelles
* United Arab Emirates
[[Greenwich Mean Time#Time Zones|Back to Top]]
==GMT + 5==
* Kazakhstan
* Maldives
* Pakistan
* Russia (Zone 4)
* Tajikistan
* Turkmenistan
* Uzbekistan
[[Greenwich Mean Time#Time Zones|Back to Top]]
==GMT + 6==
* Bangladesh
* Bhutan
* British Indian Ocean Territory
* Kazakhstan
* Kyrgyzstan
* Russia (Zone 5)
[[Greenwich Mean Time#Time Zones|Back to Top]]
==GMT + 7==
* Cambodia
* Christmas Island, Australia
* Indonesia
* Laos
* Russia (Zone 6)
* Thailand
* Vietnam
[[Greenwich Mean Time#Time Zones|Back to Top]]
==GMT + 8==
* Australia (Western Aus)
* Brunei Darussalam
* China
* Hong Kong
* Indonesia (Western)
* Macau
* Malaysia
* Mongolia
* Philippines
* Russia (Zone 7)
* Singapore
* Taiwan
[[Greenwich Mean Time#Time Zones|Back to Top]]
==GMT + 9==
* East Timor
* Indonesia (Eastern)
* Japan
* Korea, North
* Korea, Republic Of
* Palau
* Russia (Zone 8)
[[Greenwich Mean Time#Time Zones|Back to Top]]
==GMT + 10==
* Australia (ACT, New South Wales, Victoria, Queesland, Tasmania)
* Guam
* Micronesia, Federated States Of
* Northern Mariana Islands
* Papua New Guinea
* Russia (Zone 9)
[[Greenwich Mean Time#Time Zones|Back to Top]]
==GMT + 11==
* New Caledonia
* Russia (Zone 10)
* Solomon Islands
* Vanuatu
[[Greenwich Mean Time#Time Zones|Back to Top]]
==GMT + 12==
* Fiji
* Kiribati
* Marshall Islands
* Nauru
* New Zealand
* Russia (Zone 11)
* Tuvalu
* Wake Island
* Wallis And Futuna
* Antarctica (Amundsen-Scott - Pole, Mcmurdo Station, Scott Station)
[[Greenwich Mean Time#Time Zones|Back to Top]]
==External Links==
*[http://www.worldtimezone.com World Time Zone]
*[http://www.timeanddate.com/ Time and Date Calculator]
==References==
==References==
{{Reflist}}