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УкраїнськаTime difference between Jeju City, South Korea and other cities
Jeju City time zone: UTC+09:00 or KSTFind out the time difference between and Jeju City,
or see the time difference between Jeju City and other cities in the table below.
| City and country | Time difference | City and country | Time difference |
|---|---|---|---|
| Abidjan, Cote d'Ivoire | 9 hours behind Jeju City | Lahore, Pakistan | 4 hours behind Jeju City |
| Abu Dhabi, United Arab Emirates | 5 hours behind Jeju City | Leeds, United Kingdom | 8 hours behind Jeju City |
| Abu Ghraib, Iraq | 6 hours behind Jeju City | Leipzig, Germany | 7 hours behind Jeju City |
| Accra, Ghana | 9 hours behind Jeju City | León, Mexico | 15 hours behind Jeju City |
| Adana, Turkey | 6 hours behind Jeju City | Libreville, Gabon | 8 hours behind Jeju City |
| Addis Ababa, Ethiopia | 6 hours behind Jeju City | Likasi, DR Congo | 7 hours behind Jeju City |
| Adelaide, Australia | 30 minutes ahead of Jeju City | Lilongwe, Malawi | 7 hours behind Jeju City |
| Aden, Yemen | 6 hours behind Jeju City | Lima, Peru | 14 hours behind Jeju City |
| Agadir, Morocco | 8 hours behind Jeju City | Lisbon, Portugal | 8 hours behind Jeju City |
| Ahmedabad, India | 3 hours 30 minutes behind Jeju City | Liverpool, United Kingdom | 8 hours behind Jeju City |
| Ahvāz, Iran | 5 hours 30 minutes behind Jeju City | Lomé, Togo | 9 hours behind Jeju City |
| Al Hudaydah, Yemen | 6 hours behind Jeju City | London, United Kingdom | 8 hours behind Jeju City |
| Aleppo, Syria | 6 hours behind Jeju City | Los Angeles, USA | 16 hours behind Jeju City |
| Alexandria, Egypt | 6 hours behind Jeju City | Luanda, Angola | 8 hours behind Jeju City |
| Algiers, Algeria | 8 hours behind Jeju City | Lubumbashi, DR Congo | 7 hours behind Jeju City |
| Almaty, Kazakhstan | 4 hours behind Jeju City | Lucknow, India | 3 hours 30 minutes behind Jeju City |
| Amman, Jordan | 6 hours behind Jeju City | Luhansk, Ukraine | 6 hours behind Jeju City |
| Amsterdam, Netherlands | 7 hours behind Jeju City | Lusaka, Zambia | 7 hours behind Jeju City |
| Ankara, Turkey | 6 hours behind Jeju City | Luxor, Egypt | 6 hours behind Jeju City |
| Antalya, Turkey | 6 hours behind Jeju City | Lviv, Ukraine | 6 hours behind Jeju City |
| Antananarivo, Madagascar | 6 hours behind Jeju City | Lyon, France | 7 hours behind Jeju City |
| Antwerp, Belgium | 7 hours behind Jeju City | Łódź, Poland | 7 hours behind Jeju City |
| Arequipa, Peru | 14 hours behind Jeju City | Macao, Macau | 1 hour behind Jeju City |
| Ashgabat, Turkmenistan | 4 hours behind Jeju City | Madrid, Spain | 7 hours behind Jeju City |
| Asmara, Eritrea | 6 hours behind Jeju City | Makassar, Indonesia | 1 hour behind Jeju City |
| Asunción, Paraguay | 13 hours behind Jeju City | Málaga, Spain | 7 hours behind Jeju City |
| Asyut, Egypt | 6 hours behind Jeju City | Managua, Nicaragua | 15 hours behind Jeju City |
| Athens, Greece | 6 hours behind Jeju City | Manaus, Brazil | 13 hours behind Jeju City |
| Auckland, New Zealand | 3 hours ahead of Jeju City | Mandalay, Myanmar | 2 hours 30 minutes behind Jeju City |
| Austin, USA | 14 hours behind Jeju City | Manila, Philippines | 1 hour behind Jeju City |
| Bacolod City, Philippines | 1 hour behind Jeju City | Mansoura, Egypt | 6 hours behind Jeju City |
| Baghdad, Iraq | 6 hours behind Jeju City | Maputo, Mozambique | 7 hours behind Jeju City |
| Baku, Azerbaijan | 5 hours behind Jeju City | Mar del Plata, Argentina | 12 hours behind Jeju City |
| Baltimore, USA | 13 hours behind Jeju City | Maracaibo, Venezuela | 13 hours behind Jeju City |
| Bamako, Mali | 9 hours behind Jeju City | Maracay, Venezuela | 13 hours behind Jeju City |
| Bandung, Indonesia | 2 hours behind Jeju City | Mariupol, Ukraine | 6 hours behind Jeju City |
| Bangkok, Thailand | 2 hours behind Jeju City | Marrakesh, Morocco | 8 hours behind Jeju City |
| Bangui, Central African Republic | 8 hours behind Jeju City | Marseille, France | 7 hours behind Jeju City |
| Barcelona, Venezuela | 13 hours behind Jeju City | Mashhad, Iran | 5 hours 30 minutes behind Jeju City |
| Barcelona, Spain | 7 hours behind Jeju City | Matola, Mozambique | 7 hours behind Jeju City |
| Barnaul, Russia | 2 hours behind Jeju City | Maturín, Venezuela | 13 hours behind Jeju City |
| Barquisimeto, Venezuela | 13 hours behind Jeju City | Mawlamyine, Myanmar | 2 hours 30 minutes behind Jeju City |
| Barranquilla, Colombia | 14 hours behind Jeju City | Mbuji-Mayi, DR Congo | 7 hours behind Jeju City |
| Basrah, Iraq | 6 hours behind Jeju City | Mecca, Saudi Arabia | 6 hours behind Jeju City |
| Beijing, China | 1 hour behind Jeju City | Medan, Indonesia | 2 hours behind Jeju City |
| Beira, Mozambique | 7 hours behind Jeju City | Medellín, Colombia | 14 hours behind Jeju City |
| Beirut, Lebanon | 6 hours behind Jeju City | Medina, Saudi Arabia | 6 hours behind Jeju City |
| Bekasi, Indonesia | 2 hours behind Jeju City | Meknes, Morocco | 8 hours behind Jeju City |
| Belém, Brazil | 12 hours behind Jeju City | Melbourne, Australia | 1 hour ahead of Jeju City |
| Belgrade, Serbia | 7 hours behind Jeju City | Memphis, USA | 14 hours behind Jeju City |
| Belo Horizonte, Brazil | 12 hours behind Jeju City | Mendoza, Argentina | 12 hours behind Jeju City |
| Bengaluru, India | 3 hours 30 minutes behind Jeju City | Mexico City, Mexico | 15 hours behind Jeju City |
| Benghazi, Libya | 7 hours behind Jeju City | Milan, Italy | 7 hours behind Jeju City |
| Benin City, Nigeria | 8 hours behind Jeju City | Minsk, Belarus | 6 hours behind Jeju City |
| Benoni, South Africa | 7 hours behind Jeju City | Mississauga, Canada | 13 hours behind Jeju City |
| Berlin, Germany | 7 hours behind Jeju City | Mogadishu, Somalia | 6 hours behind Jeju City |
| Birmingham, United Kingdom | 8 hours behind Jeju City | Mombasa, Kenya | 6 hours behind Jeju City |
| Bishkek, Kyrgyzstan | 3 hours behind Jeju City | Monrovia, Liberia | 9 hours behind Jeju City |
| Blantyre, Malawi | 7 hours behind Jeju City | Monterrey, Mexico | 15 hours behind Jeju City |
| Bogotá, Colombia | 14 hours behind Jeju City | Montevideo, Uruguay | 12 hours behind Jeju City |
| Boston, USA | 13 hours behind Jeju City | Montreal, Canada | 13 hours behind Jeju City |
| Bouaké, Cote d'Ivoire | 9 hours behind Jeju City | Moscow, Russia | 6 hours behind Jeju City |
| Boumerdas, Algeria | 8 hours behind Jeju City | Mosul, Iraq | 6 hours behind Jeju City |
| Brampton, Canada | 13 hours behind Jeju City | Multan, Pakistan | 4 hours behind Jeju City |
| Brasília, Brazil | 12 hours behind Jeju City | Mumbai, India | 3 hours 30 minutes behind Jeju City |
| Bratislava, Slovakia | 7 hours behind Jeju City | Munich, Germany | 7 hours behind Jeju City |
| Brazzaville, Congo | 8 hours behind Jeju City | Murcia, Spain | 7 hours behind Jeju City |
| Bremen, Germany | 7 hours behind Jeju City | Muscat, Oman | 5 hours behind Jeju City |
| Brisbane, Australia | 1 hour ahead of Jeju City | Muzaffarabad, Pakistan | 4 hours behind Jeju City |
| Bristol, United Kingdom | 8 hours behind Jeju City | Mwanza, Tanzania | 6 hours behind Jeju City |
| Brussels, Belgium | 7 hours behind Jeju City | Mykolayiv, Ukraine | 6 hours behind Jeju City |
| Bucaramanga, Colombia | 14 hours behind Jeju City | N'Djamena, Chad | 8 hours behind Jeju City |
| Bucharest, Romania | 6 hours behind Jeju City | Nagoya, Japan | the same time as Jeju City |
| Budapest, Hungary | 7 hours behind Jeju City | Nagpur, India | 3 hours 30 minutes behind Jeju City |
| Buenos Aires, Argentina | 12 hours behind Jeju City | Nairobi, Kenya | 6 hours behind Jeju City |
| Bulawayo, Zimbabwe | 7 hours behind Jeju City | Najaf, Iraq | 6 hours behind Jeju City |
| Bursa, Turkey | 6 hours behind Jeju City | Namangan, Uzbekistan | 4 hours behind Jeju City |
| Busan, South Korea | the same time as Jeju City | Namp'o, North Korea | the same time as Jeju City |
| Cairo, Egypt | 6 hours behind Jeju City | Nanchong, China | 1 hour behind Jeju City |
| Calgary, Canada | 15 hours behind Jeju City | Nanjing, China | 1 hour behind Jeju City |
| Callao, Peru | 14 hours behind Jeju City | Naples, Italy | 7 hours behind Jeju City |
| Cape Town, South Africa | 7 hours behind Jeju City | Naypyitaw, Myanmar | 2 hours 30 minutes behind Jeju City |
| Caracas, Venezuela | 13 hours behind Jeju City | New York, USA | 13 hours behind Jeju City |
| Cartagena, Colombia | 14 hours behind Jeju City | Niamey, Niger | 8 hours behind Jeju City |
| Cebu City, Philippines | 1 hour behind Jeju City | Nizhny Novgorod, Russia | 6 hours behind Jeju City |
| Charlotte, USA | 13 hours behind Jeju City | Nouakchott, Mauritania | 9 hours behind Jeju City |
| Chelyabinsk, Russia | 4 hours behind Jeju City | Novosibirsk, Russia | 2 hours behind Jeju City |
| Chengdu, China | 1 hour behind Jeju City | Nuremberg, Germany | 7 hours behind Jeju City |
| Chennai, India | 3 hours 30 minutes behind Jeju City | Odesa, Ukraine | 6 hours behind Jeju City |
| Chicago, USA | 14 hours behind Jeju City | Omdurman, Sudan | 7 hours behind Jeju City |
| Chiclayo, Peru | 14 hours behind Jeju City | Omsk, Russia | 3 hours behind Jeju City |
| Chişinău, Moldova | 6 hours behind Jeju City | Oran, Algeria | 8 hours behind Jeju City |
| Chittagong, Bangladesh | 3 hours behind Jeju City | Osaka, Japan | the same time as Jeju City |
| Chongqing, China | 1 hour behind Jeju City | Oslo, Norway | 7 hours behind Jeju City |
| City of Taguig, Philippines | 1 hour behind Jeju City | Ottawa, Canada | 13 hours behind Jeju City |
| Ciudad Guayana, Venezuela | 13 hours behind Jeju City | Ouagadougou, Burkina Faso | 9 hours behind Jeju City |
| Ciudad Juárez, Mexico | 14 hours behind Jeju City | Palembang, Indonesia | 2 hours behind Jeju City |
| Ciudad Nezahualcoyotl, Mexico | 15 hours behind Jeju City | Palermo, Italy | 7 hours behind Jeju City |
| Cochabamba, Bolivia | 13 hours behind Jeju City | Paris, France | 7 hours behind Jeju City |
| Cologne, Germany | 7 hours behind Jeju City | Patna, India | 3 hours 30 minutes behind Jeju City |
| Colombo, Sri Lanka | 3 hours 30 minutes behind Jeju City | Pereira, Colombia | 14 hours behind Jeju City |
| Columbus, USA | 13 hours behind Jeju City | Perm, Russia | 4 hours behind Jeju City |
| Conakry, Guinea | 9 hours behind Jeju City | Perth, Australia | 1 hour behind Jeju City |
| Constantine, Algeria | 8 hours behind Jeju City | Peshawar, Pakistan | 4 hours behind Jeju City |
| Copenhagen, Denmark | 7 hours behind Jeju City | Petaling Jaya, Malaysia | 1 hour behind Jeju City |
| Córdoba, Argentina | 12 hours behind Jeju City | Philadelphia, USA | 13 hours behind Jeju City |
| Cotonou, Benin | 8 hours behind Jeju City | Phnom Penh, Cambodia | 2 hours behind Jeju City |
| Cúcuta, Colombia | 14 hours behind Jeju City | Phoenix, USA | 16 hours behind Jeju City |
| Curitiba, Brazil | 12 hours behind Jeju City | Pietermaritzburg, South Africa | 7 hours behind Jeju City |
| Da Nang, Vietnam | 2 hours behind Jeju City | Pikine, Senegal | 9 hours behind Jeju City |
| Daegu, South Korea | the same time as Jeju City | Pointe-Noire, Congo | 8 hours behind Jeju City |
| Daejeon, South Korea | the same time as Jeju City | Port Elizabeth, South Africa | 7 hours behind Jeju City |
| Dakar, Senegal | 9 hours behind Jeju City | Port Harcourt, Nigeria | 8 hours behind Jeju City |
| Dallas, USA | 14 hours behind Jeju City | Port Said, Egypt | 6 hours behind Jeju City |
| Damascus, Syria | 6 hours behind Jeju City | Port Sudan, Sudan | 7 hours behind Jeju City |
| Dammam, Saudi Arabia | 6 hours behind Jeju City | Port-au-Prince, Haiti | 13 hours behind Jeju City |
| Dar es Salaam, Tanzania | 6 hours behind Jeju City | Porto Alegre, Brazil | 12 hours behind Jeju City |
| Davao City, Philippines | 1 hour behind Jeju City | Poznań, Poland | 7 hours behind Jeju City |
| Delhi, India | 3 hours 30 minutes behind Jeju City | Prague, Czech Republic | 7 hours behind Jeju City |
| Denver, USA | 15 hours behind Jeju City | Pretoria, South Africa | 7 hours behind Jeju City |
| Detroit, USA | 13 hours behind Jeju City | Pristina, Kosovo | 7 hours behind Jeju City |
| Dhaka, Bangladesh | 3 hours behind Jeju City | Puebla City, Mexico | 15 hours behind Jeju City |
| Djibouti, Djibouti | 6 hours behind Jeju City | Puente Alto, Chile | 13 hours behind Jeju City |
| Dnipro, Ukraine | 6 hours behind Jeju City | Pune, India | 3 hours 30 minutes behind Jeju City |
| Donetsk, Ukraine | 6 hours behind Jeju City | Pyongyang, North Korea | the same time as Jeju City |
| Dongguan, China | 1 hour behind Jeju City | Qom, Iran | 5 hours 30 minutes behind Jeju City |
| Dortmund, Germany | 7 hours behind Jeju City | Québec, Canada | 13 hours behind Jeju City |
| Douala, Cameroon | 8 hours behind Jeju City | Quetta, Pakistan | 4 hours behind Jeju City |
| Dresden, Germany | 7 hours behind Jeju City | Quezon City, Philippines | 1 hour behind Jeju City |
| Dubai, United Arab Emirates | 5 hours behind Jeju City | Quilmes, Argentina | 12 hours behind Jeju City |
| Dublin, Ireland | 8 hours behind Jeju City | Quito, Ecuador | 14 hours behind Jeju City |
| Duisburg, Germany | 7 hours behind Jeju City | Rabat, Morocco | 8 hours behind Jeju City |
| Durban, South Africa | 7 hours behind Jeju City | Rajshahi, Bangladesh | 3 hours behind Jeju City |
| Dushanbe, Tajikistan | 4 hours behind Jeju City | Rawalpindi, Pakistan | 4 hours behind Jeju City |
| Dusseldorf, Germany | 7 hours behind Jeju City | Recife, Brazil | 12 hours behind Jeju City |
| Ecatepec de Morelos, Mexico | 15 hours behind Jeju City | Riga, Latvia | 6 hours behind Jeju City |
| Edinburgh, United Kingdom | 8 hours behind Jeju City | Rio de Janeiro, Brazil | 12 hours behind Jeju City |
| Edmonton, Canada | 15 hours behind Jeju City | Riyadh, Saudi Arabia | 6 hours behind Jeju City |
| El Mahalla El Kubra, Egypt | 6 hours behind Jeju City | Rome, Italy | 7 hours behind Jeju City |
| El Paso, USA | 15 hours behind Jeju City | Rosario, Argentina | 12 hours behind Jeju City |
| Erbil, Iraq | 6 hours behind Jeju City | Rostov-on-Don, Russia | 6 hours behind Jeju City |
| Essen, Germany | 7 hours behind Jeju City | Rotterdam, Netherlands | 7 hours behind Jeju City |
| Faisalabad, Pakistan | 4 hours behind Jeju City | Saint Petersburg, Russia | 6 hours behind Jeju City |
| Fes, Morocco | 8 hours behind Jeju City | Saitama, Japan | the same time as Jeju City |
| Fort Worth, USA | 14 hours behind Jeju City | Salé, Morocco | 8 hours behind Jeju City |
| Fortaleza, Brazil | 12 hours behind Jeju City | Salta, Argentina | 12 hours behind Jeju City |
| Frankfurt am Main, Germany | 7 hours behind Jeju City | Salvador, Brazil | 12 hours behind Jeju City |
| Freetown, Sierra Leone | 9 hours behind Jeju City | Samara, Russia | 5 hours behind Jeju City |
| Fukuoka, Japan | the same time as Jeju City | San Antonio, USA | 14 hours behind Jeju City |
| Garoua, Cameroon | 8 hours behind Jeju City | San Diego, USA | 16 hours behind Jeju City |
| Gaza, Palestinian Territories | 6 hours behind Jeju City | San Francisco, USA | 16 hours behind Jeju City |
| Gaziantep, Turkey | 6 hours behind Jeju City | San Jose, USA | 16 hours behind Jeju City |
| Gdańsk, Poland | 7 hours behind Jeju City | San Juan, Puerto Rico | 13 hours behind Jeju City |
| General Santos, Philippines | 1 hour behind Jeju City | San Miguel de Tucumán, Argentina | 12 hours behind Jeju City |
| Genoa, Italy | 7 hours behind Jeju City | San Pedro Sula, Honduras | 15 hours behind Jeju City |
| Giza, Egypt | 6 hours behind Jeju City | San Salvador, El Salvador | 15 hours behind Jeju City |
| Glasgow, United Kingdom | 8 hours behind Jeju City | Sanaa, Yemen | 6 hours behind Jeju City |
| Goiânia, Brazil | 12 hours behind Jeju City | Santa Cruz de la Sierra, Bolivia | 13 hours behind Jeju City |
| Gold Coast, Australia | 1 hour ahead of Jeju City | Santa Fe, Argentina | 12 hours behind Jeju City |
| Gomel, Belarus | 6 hours behind Jeju City | Santa Marta, Colombia | 14 hours behind Jeju City |
| Gothenburg, Sweden | 7 hours behind Jeju City | Santiago, Chile | 13 hours behind Jeju City |
| Goyang, South Korea | the same time as Jeju City | Santiago de Cali, Colombia | 14 hours behind Jeju City |
| Guadalajara, Mexico | 15 hours behind Jeju City | Santiago de Cuba, Cuba | 13 hours behind Jeju City |
| Guangzhou, China | 1 hour behind Jeju City | Santiago de los Caballeros, Dominican Republic | 13 hours behind Jeju City |
| Guatemala City, Guatemala | 15 hours behind Jeju City | Santo Domingo, Dominican Republic | 13 hours behind Jeju City |
| Guayaquil, Ecuador | 14 hours behind Jeju City | São Paulo, Brazil | 12 hours behind Jeju City |
| Gujranwala, Pakistan | 4 hours behind Jeju City | Sapporo, Japan | the same time as Jeju City |
| Gwangju, South Korea | the same time as Jeju City | Sarajevo, Bosnia and Herzegovina | 7 hours behind Jeju City |
| Haiphong, Vietnam | 2 hours behind Jeju City | Saratov, Russia | 5 hours behind Jeju City |
| Hama, Syria | 6 hours behind Jeju City | Seattle, USA | 16 hours behind Jeju City |
| Hamburg, Germany | 7 hours behind Jeju City | Sendai, Japan | the same time as Jeju City |
| Hamhung, North Korea | the same time as Jeju City | Seoul, South Korea | the same time as Jeju City |
| Hamilton, Canada | 13 hours behind Jeju City | Sevastopol, Ukraine | 6 hours behind Jeju City |
| Hangzhou, China | 1 hour behind Jeju City | Seville, Spain | 7 hours behind Jeju City |
| Hanoi, Vietnam | 2 hours behind Jeju City | Shah Alam, Malaysia | 1 hour behind Jeju City |
| Hanover, Germany | 7 hours behind Jeju City | Shanghai, China | 1 hour behind Jeju City |
| Harare, Zimbabwe | 7 hours behind Jeju City | Sharjah, United Arab Emirates | 5 hours behind Jeju City |
| Harbin, China | 1 hour behind Jeju City | Sheffield, United Kingdom | 8 hours behind Jeju City |
| Hargeysa, Somalia | 6 hours behind Jeju City | Shenyang, China | 1 hour behind Jeju City |
| Havana, Cuba | 13 hours behind Jeju City | Shenzhen, China | 1 hour behind Jeju City |
| Helsinki, Finland | 6 hours behind Jeju City | Shiraz, Iran | 5 hours 30 minutes behind Jeju City |
| Hiroshima, Japan | the same time as Jeju City | Shymkent, Kazakhstan | 4 hours behind Jeju City |
| Ho Chi Minh City, Vietnam | 2 hours behind Jeju City | Singapore, Singapore | 1 hour behind Jeju City |
| Homs, Syria | 6 hours behind Jeju City | Skopje, North Macedonia | 7 hours behind Jeju City |
| Hong Kong, Hong Kong | 1 hour behind Jeju City | Sofia, Bulgaria | 6 hours behind Jeju City |
| Houston, USA | 14 hours behind Jeju City | Stockholm, Sweden | 7 hours behind Jeju City |
| Hyderabad, India | 3 hours 30 minutes behind Jeju City | Stuttgart, Germany | 7 hours behind Jeju City |
| Hyderābād, Pakistan | 4 hours behind Jeju City | Suez, Egypt | 6 hours behind Jeju City |
| Ibadan, Nigeria | 8 hours behind Jeju City | Sulaymaniyah, Iraq | 6 hours behind Jeju City |
| Ibague, Colombia | 14 hours behind Jeju City | Surabaya, Indonesia | 2 hours behind Jeju City |
| Incheon, South Korea | the same time as Jeju City | Surat, India | 3 hours 30 minutes behind Jeju City |
| Indianapolis, USA | 13 hours behind Jeju City | Suwon, South Korea | the same time as Jeju City |
| Indore, India | 3 hours 30 minutes behind Jeju City | Sydney, Australia | 1 hour ahead of Jeju City |
| Ipoh, Malaysia | 1 hour behind Jeju City | Ta`izz, Yemen | 6 hours behind Jeju City |
| Iquitos, Peru | 14 hours behind Jeju City | Ta’if, Saudi Arabia | 6 hours behind Jeju City |
| Irkutsk, Russia | 1 hour behind Jeju City | Tabriz, Iran | 5 hours 30 minutes behind Jeju City |
| Isfahan, Iran | 5 hours 30 minutes behind Jeju City | Tabuk, Saudi Arabia | 6 hours behind Jeju City |
| Istanbul, Turkey | 6 hours behind Jeju City | Taichung, Taiwan | 1 hour behind Jeju City |
| Izhevsk, Russia | 5 hours behind Jeju City | Tainan City, Taiwan | 1 hour behind Jeju City |
| Izmir, Turkey | 6 hours behind Jeju City | Taipei, Taiwan | 1 hour behind Jeju City |
| Jacksonville, USA | 13 hours behind Jeju City | Tangerang, Indonesia | 2 hours behind Jeju City |
| Jaipur, India | 3 hours 30 minutes behind Jeju City | Tangier, Morocco | 8 hours behind Jeju City |
| Jakarta, Indonesia | 2 hours behind Jeju City | Tashkent, Uzbekistan | 4 hours behind Jeju City |
| Jeddah, Saudi Arabia | 6 hours behind Jeju City | Tbilisi, Georgia | 5 hours behind Jeju City |
| Jerusalem, Israel | 6 hours behind Jeju City | Tébessa, Algeria | 8 hours behind Jeju City |
| Johannesburg, South Africa | 7 hours behind Jeju City | Tegucigalpa, Honduras | 15 hours behind Jeju City |
| Johor Bahru, Malaysia | 1 hour behind Jeju City | Tehran, Iran | 5 hours 30 minutes behind Jeju City |
| Kabul, Afghanistan | 4 hours 30 minutes behind Jeju City | Tembisa, South Africa | 7 hours behind Jeju City |
| Kaduna, Nigeria | 8 hours behind Jeju City | The Hague, Netherlands | 7 hours behind Jeju City |
| Kampala, Uganda | 6 hours behind Jeju City | Tianjin, China | 1 hour behind Jeju City |
| Kananga, DR Congo | 7 hours behind Jeju City | Tijuana, Mexico | 16 hours behind Jeju City |
| Kano, Nigeria | 8 hours behind Jeju City | Tokyo, Japan | the same time as Jeju City |
| Kanpur, India | 3 hours 30 minutes behind Jeju City | Tolyatti, Russia | 5 hours behind Jeju City |
| Kaohsiung City, Taiwan | 1 hour behind Jeju City | Toronto, Canada | 13 hours behind Jeju City |
| Karachi, Pakistan | 4 hours behind Jeju City | Touba, Senegal | 9 hours behind Jeju City |
| Karagandy, Kazakhstan | 4 hours behind Jeju City | Toulouse, France | 7 hours behind Jeju City |
| Karaj, Iran | 5 hours 30 minutes behind Jeju City | Tripoli, Libya | 7 hours behind Jeju City |
| Karbala, Iraq | 6 hours behind Jeju City | Trujillo, Peru | 14 hours behind Jeju City |
| Kathmandu, Nepal | 3 hours 15 minutes behind Jeju City | Tunis, Tunisia | 8 hours behind Jeju City |
| Kawasaki, Japan | the same time as Jeju City | Turin, Italy | 7 hours behind Jeju City |
| Kazan’, Russia | 6 hours behind Jeju City | Ufa, Russia | 4 hours behind Jeju City |
| Khabarovsk, Russia | 1 hour ahead of Jeju City | Ulan Bator, Mongolia | 1 hour behind Jeju City |
| Kharkiv, Ukraine | 6 hours behind Jeju City | Ulyanovsk, Russia | 5 hours behind Jeju City |
| Khartoum, Sudan | 7 hours behind Jeju City | Valencia, Spain | 7 hours behind Jeju City |
| Khulna, Bangladesh | 3 hours behind Jeju City | Valencia, Venezuela | 13 hours behind Jeju City |
| Kiev, Ukraine | 6 hours behind Jeju City | Vancouver, Canada | 16 hours behind Jeju City |
| Kigali, Rwanda | 7 hours behind Jeju City | Vienna, Austria | 7 hours behind Jeju City |
| Kingston, Jamaica | 14 hours behind Jeju City | Vilnius, Lithuania | 6 hours behind Jeju City |
| Kinshasa, DR Congo | 8 hours behind Jeju City | Vladivostok, Russia | 1 hour ahead of Jeju City |
| Kirkuk, Iraq | 6 hours behind Jeju City | Volgograd, Russia | 6 hours behind Jeju City |
| Kisangani, DR Congo | 7 hours behind Jeju City | Voronezh, Russia | 6 hours behind Jeju City |
| Klang, Malaysia | 1 hour behind Jeju City | Warsaw, Poland | 7 hours behind Jeju City |
| Kobe, Japan | the same time as Jeju City | Washington D.C., USA | 13 hours behind Jeju City |
| Kolkata, India | 3 hours 30 minutes behind Jeju City | White House, Morocco | 8 hours behind Jeju City |
| Kolwezi, DR Congo | 7 hours behind Jeju City | Winnipeg, Canada | 14 hours behind Jeju City |
| Konya, Turkey | 6 hours behind Jeju City | Wrocław, Poland | 7 hours behind Jeju City |
| Kota Bharu, Malaysia | 1 hour behind Jeju City | Wuhan, China | 1 hour behind Jeju City |
| Kousséri, Cameroon | 8 hours behind Jeju City | Xi'an, China | 1 hour behind Jeju City |
| Kowloon, Hong Kong | 1 hour behind Jeju City | Yangon, Myanmar | 2 hours 30 minutes behind Jeju City |
| Krakow, Poland | 7 hours behind Jeju City | Yaoundé, Cameroon | 8 hours behind Jeju City |
| Krasnodar, Russia | 6 hours behind Jeju City | Yaroslavl, Russia | 6 hours behind Jeju City |
| Krasnoyarsk, Russia | 2 hours behind Jeju City | Yekaterinburg, Russia | 4 hours behind Jeju City |
| Kryvyi Rih, Ukraine | 6 hours behind Jeju City | Yerevan, Armenia | 5 hours behind Jeju City |
| Kuala Lumpur, Malaysia | 1 hour behind Jeju City | Yokohama, Japan | the same time as Jeju City |
| Kuching, Malaysia | 1 hour behind Jeju City | Zagreb, Croatia | 7 hours behind Jeju City |
| Kumasi, Ghana | 9 hours behind Jeju City | Zamboanga City, Philippines | 1 hour behind Jeju City |
| Kyoto, Japan | the same time as Jeju City | Zapopan, Mexico | 15 hours behind Jeju City |
| La Paz, Bolivia | 13 hours behind Jeju City | Zaporizhia, Ukraine | 6 hours behind Jeju City |
| La Plata, Argentina | 12 hours behind Jeju City | Zaragoza, Spain | 7 hours behind Jeju City |
| Lagos, Nigeria | 8 hours behind Jeju City | Zarqa, Jordan | 6 hours behind Jeju City |