| Incheon Luanda | West Africa Time | 08:00 |
| Incheon Quezon City | Philippine Time | 01:00 |
| Incheon Addis Ababa | East Africa Time | 06:00 |
| Incheon Nairobi | East Africa Time | 06:00 |
| Incheon Chicago | Central Time | 15:00 |
| Incheon Salvador | Brasilia Time | 12:00 |
| Incheon Jaipur | India Standard Time | 03:30 |
| Incheon Dar es Salaam | East Africa Time | 06:00 |
| Incheon Lanzhou | China Time | 01:00 |
| Incheon Yunfu | China Time | 01:00 |
| Incheon Basrah | Arabian Time | 06:00 |
| Incheon Toronto | Eastern Time | 14:00 |
| Incheon Navi Mumbai | India Standard Time | 03:30 |
| Incheon Osaka | Japan Time | 00:00 |
| Incheon Mogadishu | East Africa Time | 06:00 |
| Incheon Daegu | Korean Time | 00:00 |
| Incheon Faisalabad | Pakistan Time | 04:00 |
| Incheon Izmir | Turkey Time | 06:00 |
| Incheon Dakar | Greenwich Mean Time | 09:00 |
| Incheon Lucknow | India Standard Time | 03:30 |
| Incheon Giza | Eastern European Time | 07:00 |
| Incheon Fortaleza | Brasilia Time | 12:00 |
| Incheon Cali | Colombia Time | 14:00 |
| Incheon Surabaya | Western Indonesia Time | 02:00 |
| Incheon Belo Horizonte | Brasilia Time | 12:00 |
| Incheon Nanchang | China Time | 01:00 |
| Incheon Rome | Central European Time | 08:00 |
| Incheon Mashhad | Iran Time | 05:30 |
| Incheon Borough of Brooklyn | Eastern Time | 14:00 |
| Incheon Houston | Central Time | 15:00 |
| Incheon Queens | Eastern Time | 14:00 |
| Incheon Nagpur | India Standard Time | 03:30 |
| Incheon Maracaibo | Venezuela Time | 13:00 |
| Incheon Brasília | Brasilia Time | 12:00 |
| Incheon Santo Domingo | Atlantic Time | 13:00 |
| Incheon Nagoya | Japan Time | 00:00 |
| Incheon Brisbane | Eastern Australia Time | -01:00 |
| Incheon Havana | Cuba Time | 14:00 |
| Incheon Paris | Central European Time | 08:00 |
| Incheon Al Mawşil al Jadīdah | Arabian Time | 06:00 |
| Incheon Johannesburg | South Africa Standard Time | 07:00 |
| Incheon Kowloon | Hong Kong Time | 01:00 |
| Incheon Al Başrah al Qadīmah | Arabian Time | 06:00 |
| Incheon Almaty | East Kazakhstan Time | 03:00 |
| Incheon Medellin | Colombia Time | 14:00 |
| Incheon Tashkent | Uzbekistan Time | 04:00 |
| Incheon Algiers | Central European Time | 08:00 |
| Incheon Khartoum | Central Africa Time | 07:00 |
| Incheon Accra | Greenwich Mean Time | 09:00 |
| Incheon Guayaquil | Ecuador Time | 14:00 |