| World | Continent | Subcontinent | Country (Territory) | Time Zone |
| World [001] | Africa [002] | Eastern Africa [014] | Burundi [BI] | Africa/Bujumbura |
| Comoros [KM] | Indian/Comoro |
| Djibouti [DJ] | Africa/Djibouti |
| Eritrea [ER] | Africa/Asmera |
| Ethiopia [ET] | Africa/Addis_Ababa |
| Kenya [KE] | Africa/Nairobi |
| Madagascar [MG] | Indian/Antananarivo |
| Malawi [MW] | Africa/Blantyre |
| Mauritius [MU] | Indian/Mauritius |
| Mayotte [YT] | Indian/Mayotte |
| Mozambique [MZ] | Africa/Maputo |
| Réunion [RE] | Indian/Reunion |
| Rwanda [RW] | Africa/Kigali |
| Seychelles [SC] | Indian/Mahe |
| Somalia [SO] | Africa/Mogadishu |
| Tanzania [TZ] | Africa/Dar_es_Salaam |
| Uganda [UG] | Africa/Kampala |
| Zambia [ZM] | Africa/Lusaka |
| Zimbabwe [ZW] | Africa/Harare |
| Middle Africa [017] | Angola [AO] | Africa/Luanda |
| Cameroon [CM] | Africa/Douala |
| Central African Republic [CF] | Africa/Bangui |
| Chad [TD] | Africa/Ndjamena |
| Congo - Brazzaville [CG] | Africa/Brazzaville |
| Congo - Kinshasa [CD] | Africa/Kinshasa |
| Africa/Lubumbashi |
| Equatorial Guinea [GQ] | Africa/Malabo |
| Gabon [GA] | Africa/Libreville |
| São Tomé and Príncipe [ST] | Africa/Sao_Tome |
| Northern Africa [015] | Algeria [DZ] | Africa/Algiers |
| Canary Islands [IC] | ??? |
| Ceuta and Melilla [EA] |
| Egypt [EG] | Africa/Cairo |
| Libya [LY] | Africa/Tripoli |
| Morocco [MA] | Africa/Casablanca |
| South Sudan [SS] | Africa/Juba |
| Sudan [SD] | Africa/Khartoum |
| Tunisia [TN] | Africa/Tunis |
| Western Sahara [EH] | Africa/El_Aaiun |
| Southern Africa [018] | Botswana [BW] | Africa/Gaborone |
| Lesotho [LS] | Africa/Maseru |
| Namibia [NA] | Africa/Windhoek |
| South Africa [ZA] | Africa/Johannesburg |
| Swaziland [SZ] | Africa/Mbabane |
| Western Africa [011] | Benin [BJ] | Africa/Porto-Novo |
| Burkina Faso [BF] | Africa/Ouagadougou |
| Cape Verde [CV] | Atlantic/Cape_Verde |
| Côte d’Ivoire [CI] | Africa/Abidjan |
| Gambia [GM] | Africa/Banjul |
| Ghana [GH] | Africa/Accra |
| Guinea [GN] | Africa/Conakry |
| Guinea-Bissau [GW] | Africa/Bissau |
| Liberia [LR] | Africa/Monrovia |
| Mali [ML] | Africa/Bamako |
| Mauritania [MR] | Africa/Nouakchott |
| Niger [NE] | Africa/Niamey |
| Nigeria [NG] | Africa/Lagos |
| Saint Helena [SH] | Atlantic/St_Helena |
| Senegal [SN] | Africa/Dakar |
| Sierra Leone [SL] | Africa/Freetown |
| Togo [TG] | Africa/Lome |
| Americas [019] | Caribbean [029] | Anguilla [AI] | America/Anguilla |
| Antigua and Barbuda [AG] | America/Antigua |
| Aruba [AW] | America/Aruba |
| Bahamas [BS] | America/Nassau |
| Barbados [BB] | America/Barbados |
| British Virgin Islands [VG] | America/Tortola |
| Caribbean Netherlands [BQ] | America/Kralendijk |
| Cayman Islands [KY] | America/Cayman |
| Cuba [CU] | America/Havana |
| Curaçao [CW] | America/Curacao |
| Dominica [DM] | America/Dominica |
| Dominican Republic [DO] | America/Santo_Domingo |
| Grenada [GD] | America/Grenada |
| Guadeloupe [GP] | America/Guadeloupe |
| Haiti [HT] | America/Port-au-Prince |
| Jamaica [JM] | America/Jamaica |
| Martinique [MQ] | America/Martinique |
| Montserrat [MS] | America/Montserrat |
| Puerto Rico [PR] | America/Puerto_Rico |
| Saint Barthélemy [BL] | America/St_Barthelemy |
| Saint Kitts and Nevis [KN] | America/St_Kitts |
| Saint Lucia [LC] | America/St_Lucia |
| Saint Martin [MF] | America/Marigot |
| Sint Maarten [SX] | America/Lower_Princes |
| St. Vincent & Grenadines [VC] | America/St_Vincent |
| Trinidad and Tobago [TT] | America/Port_of_Spain |
| Turks and Caicos Islands [TC] | America/Grand_Turk |
| U.S. Virgin Islands [VI] | America/St_Thomas |
| Central America [013] | Belize [BZ] | America/Belize |
| Costa Rica [CR] | America/Costa_Rica |
| El Salvador [SV] | America/El_Salvador |
| Guatemala [GT] | America/Guatemala |
| Honduras [HN] | America/Tegucigalpa |
| Mexico [MX] | America/Bahia_Banderas |
| America/Cancun |
| America/Chihuahua |
| America/Hermosillo |
| America/Matamoros |
| America/Mazatlan |
| America/Merida |
| America/Mexico_City |
| America/Monterrey |
| America/Ojinaga |
| America/Santa_Isabel |
| America/Tijuana |
| Nicaragua [NI] | America/Managua |
| Panama [PA] | America/Panama |
| Northern America [021] | Bermuda [BM] | Atlantic/Bermuda |
| Canada [CA] | America/Blanc-Sablon |
| America/Cambridge_Bay |
| America/Coral_Harbour |
| America/Creston |
| America/Dawson |
| America/Dawson_Creek |
| America/Edmonton |
| America/Glace_Bay |
| America/Goose_Bay |
| America/Halifax |
| America/Inuvik |
| America/Iqaluit |
| America/Moncton |
| America/Nipigon |
| America/Pangnirtung |
| America/Rainy_River |
| America/Rankin_Inlet |
| America/Regina |
| America/Resolute |
| America/St_Johns |
| America/Swift_Current |
| America/Thunder_Bay |
| America/Toronto |
| America/Vancouver |
| America/Whitehorse |
| America/Winnipeg |
| America/Yellowknife |
| Greenland [GL] | America/Danmarkshavn |
| America/Godthab |
| America/Scoresbysund |
| America/Thule |
| Saint Pierre and Miquelon [PM] | America/Miquelon |
| United States [US] | America/Adak |
| America/Anchorage |
| America/Boise |
| America/Chicago |
| America/Denver |
| America/Detroit |
| America/Indiana/Knox |
| America/Indiana/Marengo |
| America/Indiana/Petersburg |
| America/Indiana/Tell_City |
| America/Indiana/Vevay |
| America/Indiana/Vincennes |
| America/Indiana/Winamac |
| America/Indianapolis |
| America/Juneau |
| America/Kentucky/Monticello |
| America/Los_Angeles |
| America/Louisville |
| America/Menominee |
| America/Metlakatla |
| America/New_York |
| America/Nome |
| America/North_Dakota/Beulah |
| America/North_Dakota/Center |
| America/North_Dakota/New_Salem |
| America/Phoenix |
| America/Sitka |
| America/Yakutat |
| Pacific/Honolulu |
| South America [005] | Argentina [AR] | America/Argentina/La_Rioja |
| America/Argentina/Rio_Gallegos |
| America/Argentina/Salta |
| America/Argentina/San_Juan |
| America/Argentina/San_Luis |
| America/Argentina/Tucuman |
| America/Argentina/Ushuaia |
| America/Buenos_Aires |
| America/Catamarca |
| America/Cordoba |
| America/Jujuy |
| America/Mendoza |
| Bolivia [BO] | America/La_Paz |
| Brazil [BR] | America/Araguaina |
| America/Bahia |
| America/Belem |
| America/Boa_Vista |
| America/Campo_Grande |
| America/Cuiaba |
| America/Eirunepe |
| America/Fortaleza |
| America/Maceio |
| America/Manaus |
| America/Noronha |
| America/Porto_Velho |
| America/Recife |
| America/Rio_Branco |
| America/Santarem |
| America/Sao_Paulo |
| Chile [CL] | America/Santiago |
| Pacific/Easter |
| Colombia [CO] | America/Bogota |
| Ecuador [EC] | America/Guayaquil |
| Pacific/Galapagos |
| Falkland Islands [FK] | Atlantic/Stanley |
| French Guiana [GF] | America/Cayenne |
| Guyana [GY] | America/Guyana |
| Paraguay [PY] | America/Asuncion |
| Peru [PE] | America/Lima |
| Suriname [SR] | America/Paramaribo |
| Uruguay [UY] | America/Montevideo |
| Venezuela [VE] | America/Caracas |
| Asia [142] | Central Asia [143] | Kazakhstan [KZ] | Asia/Almaty |
| Asia/Aqtau |
| Asia/Aqtobe |
| Asia/Oral |
| Asia/Qyzylorda |
| Kyrgyzstan [KG] | Asia/Bishkek |
| Tajikistan [TJ] | Asia/Dushanbe |
| Turkmenistan [TM] | Asia/Ashgabat |
| Uzbekistan [UZ] | Asia/Samarkand |
| Asia/Tashkent |
| Eastern Asia [030] | China [CN] | Asia/Chongqing |
| Asia/Harbin |
| Asia/Kashgar |
| Asia/Shanghai |
| Asia/Urumqi |
| Hong Kong SAR China [HK] | Asia/Hong_Kong |
| Japan [JP] | Asia/Tokyo |
| Macau SAR China [MO] | Asia/Macau |
| Mongolia [MN] | Asia/Choibalsan |
| Asia/Hovd |
| Asia/Ulaanbaatar |
| North Korea [KP] | Asia/Pyongyang |
| South Korea [KR] | Asia/Seoul |
| Taiwan [TW] | Asia/Taipei |
| South-Eastern Asia [035] | Brunei [BN] | Asia/Brunei |
| Cambodia [KH] | Asia/Phnom_Penh |
| Indonesia [ID] | Asia/Jakarta |
| Asia/Jayapura |
| Asia/Makassar |
| Asia/Pontianak |
| Laos [LA] | Asia/Vientiane |
| Malaysia [MY] | Asia/Kuala_Lumpur |
| Asia/Kuching |
| Myanmar (Burma) [MM] | Asia/Rangoon |
| Philippines [PH] | Asia/Manila |
| Singapore [SG] | Asia/Singapore |
| Thailand [TH] | Asia/Bangkok |
| Timor-Leste [TL] | Asia/Dili |
| Vietnam [VN] | Asia/Saigon |
| Southern Asia [034] | Afghanistan [AF] | Asia/Kabul |
| Bangladesh [BD] | Asia/Dhaka |
| Bhutan [BT] | Asia/Thimphu |
| India [IN] | Asia/Calcutta |
| Iran [IR] | Asia/Tehran |
| Maldives [MV] | Indian/Maldives |
| Nepal [NP] | Asia/Katmandu |
| Pakistan [PK] | Asia/Karachi |
| Sri Lanka [LK] | Asia/Colombo |
| Western Asia [145] | Armenia [AM] | Asia/Yerevan |
| Azerbaijan [AZ] | Asia/Baku |
| Bahrain [BH] | Asia/Bahrain |
| Cyprus [CY] | Asia/Nicosia |
| Georgia [GE] | Asia/Tbilisi |
| Iraq [IQ] | Asia/Baghdad |
| Israel [IL] | Asia/Jerusalem |
| Jordan [JO] | Asia/Amman |
| Kuwait [KW] | Asia/Kuwait |
| Lebanon [LB] | Asia/Beirut |
| Oman [OM] | Asia/Muscat |
| Palestinian Territories [PS] | Asia/Gaza |
| Asia/Hebron |
| Qatar [QA] | Asia/Qatar |
| Saudi Arabia [SA] | Asia/Riyadh |
| Syria [SY] | Asia/Damascus |
| Turkey [TR] | Europe/Istanbul |
| United Arab Emirates [AE] | Asia/Dubai |
| Yemen [YE] | Asia/Aden |
| Europe [150] | Eastern Europe [151] | Belarus [BY] | Europe/Minsk |
| Bulgaria [BG] | Europe/Sofia |
| Czech Republic [CZ] | Europe/Prague |
| Hungary [HU] | Europe/Budapest |
| Moldova [MD] | Europe/Chisinau |
| Poland [PL] | Europe/Warsaw |
| Romania [RO] | Europe/Bucharest |
| Russia [RU] | Asia/Anadyr |
| Asia/Irkutsk |
| Asia/Kamchatka |
| Asia/Khandyga |
| Asia/Krasnoyarsk |
| Asia/Magadan |
| Asia/Novokuznetsk |
| Asia/Novosibirsk |
| Asia/Omsk |
| Asia/Sakhalin |
| Asia/Ust-Nera |
| Asia/Vladivostok |
| Asia/Yakutsk |
| Asia/Yekaterinburg |
| Europe/Kaliningrad |
| Europe/Moscow |
| Europe/Samara |
| Europe/Volgograd |
| Slovakia [SK] | Europe/Bratislava |
| Ukraine [UA] | Europe/Kiev |
| Europe/Simferopol |
| Europe/Uzhgorod |
| Europe/Zaporozhye |
| Northern Europe [154] | Åland Islands [AX] | Europe/Mariehamn |
| Denmark [DK] | Europe/Copenhagen |
| Estonia [EE] | Europe/Tallinn |
| Faroe Islands [FO] | Atlantic/Faeroe |
| Finland [FI] | Europe/Helsinki |
| Guernsey [GG] | Europe/Guernsey |
| Iceland [IS] | Atlantic/Reykjavik |
| Ireland [IE] | Europe/Dublin |
| Isle of Man [IM] | Europe/Isle_of_Man |
| Jersey [JE] | Europe/Jersey |
| Latvia [LV] | Europe/Riga |
| Lithuania [LT] | Europe/Vilnius |
| Norway [NO] | Europe/Oslo |
| Svalbard and Jan Mayen [SJ] | Arctic/Longyearbyen |
| Sweden [SE] | Europe/Stockholm |
| United Kingdom [GB] | Europe/London |
| Southern Europe [039] | Albania [AL] | Europe/Tirane |
| Andorra [AD] | Europe/Andorra |
| Bosnia and Herzegovina [BA] | Europe/Sarajevo |
| Croatia [HR] | Europe/Zagreb |
| Gibraltar [GI] | Europe/Gibraltar |
| Greece [GR] | Europe/Athens |
| Italy [IT] | Europe/Rome |
| Kosovo [XK] | ??? |
| Macedonia [MK] | Europe/Skopje |
| Malta [MT] | Europe/Malta |
| Montenegro [ME] | Europe/Podgorica |
| Portugal [PT] | Atlantic/Azores |
| Atlantic/Madeira |
| Europe/Lisbon |
| San Marino [SM] | Europe/San_Marino |
| Serbia [RS] | Europe/Belgrade |
| Slovenia [SI] | Europe/Ljubljana |
| Spain [ES] | Africa/Ceuta |
| Atlantic/Canary |
| Europe/Madrid |
| Vatican City [VA] | Europe/Vatican |
| Western Europe [155] | Austria [AT] | Europe/Vienna |
| Belgium [BE] | Europe/Brussels |
| France [FR] | Europe/Paris |
| Germany [DE] | Europe/Berlin |
| Europe/Busingen |
| Liechtenstein [LI] | Europe/Vaduz |
| Luxembourg [LU] | Europe/Luxembourg |
| Monaco [MC] | Europe/Monaco |
| Netherlands [NL] | Europe/Amsterdam |
| Switzerland [CH] | Europe/Zurich |
| Oceania [009] | Australasia [053] | Australia [AU] | Antarctica/Macquarie |
| Australia/Adelaide |
| Australia/Brisbane |
| Australia/Broken_Hill |
| Australia/Currie |
| Australia/Darwin |
| Australia/Eucla |
| Australia/Hobart |
| Australia/Lindeman |
| Australia/Lord_Howe |
| Australia/Melbourne |
| Australia/Perth |
| Australia/Sydney |
| New Zealand [NZ] | Pacific/Auckland |
| Pacific/Chatham |
| Norfolk Island [NF] | Pacific/Norfolk |
| Melanesia [054] | Fiji [FJ] | Pacific/Fiji |
| New Caledonia [NC] | Pacific/Noumea |
| Papua New Guinea [PG] | Pacific/Port_Moresby |
| Solomon Islands [SB] | Pacific/Guadalcanal |
| Vanuatu [VU] | Pacific/Efate |
| Micronesian Region [057] | Guam [GU] | Pacific/Guam |
| Kiribati [KI] | Pacific/Enderbury |
| Pacific/Kiritimati |
| Pacific/Tarawa |
| Marshall Islands [MH] | Pacific/Kwajalein |
| Pacific/Majuro |
| Micronesia [FM] | Pacific/Kosrae |
| Pacific/Ponape |
| Pacific/Truk |
| Nauru [NR] | Pacific/Nauru |
| Northern Mariana Islands [MP] | Pacific/Saipan |
| Palau [PW] | Pacific/Palau |
| Outlying Oceania [QO] | Antarctica [AQ] | Antarctica/Casey |
| Antarctica/Davis |
| Antarctica/DumontDUrville |
| Antarctica/Mawson |
| Antarctica/McMurdo |
| Antarctica/Palmer |
| Antarctica/Rothera |
| Antarctica/Syowa |
| Antarctica/Vostok |
| Ascension Island [AC] | ??? |
| Bouvet Island [BV] |
| British Indian Ocean Territory [IO] | Indian/Chagos |
| Christmas Island [CX] | Indian/Christmas |
| Clipperton Island [CP] | ??? |
| Cocos (Keeling) Islands [CC] | Indian/Cocos |
| Diego Garcia [DG] | ??? |
| French Southern Territories [TF] | Indian/Kerguelen |
| Heard & McDonald Islands [HM] | ??? |
| South Georgia & South Sandwich Islands [GS] | Atlantic/South_Georgia |
| Tristan da Cunha [TA] | ??? |
| U.S. Outlying Islands [UM] | Pacific/Johnston |
| Pacific/Midway |
| Pacific/Wake |
| Polynesia [061] | American Samoa [AS] | Pacific/Pago_Pago |
| Cook Islands [CK] | Pacific/Rarotonga |
| French Polynesia [PF] | Pacific/Gambier |
| Pacific/Marquesas |
| Pacific/Tahiti |
| Niue [NU] | Pacific/Niue |
| Pitcairn Islands [PN] | Pacific/Pitcairn |
| Samoa [WS] | Pacific/Apia |
| Tokelau [TK] | Pacific/Fakaofo |
| Tonga [TO] | Pacific/Tongatapu |
| Tuvalu [TV] | Pacific/Funafuti |
| Wallis and Futuna [WF] | Pacific/Wallis |