| Incheon South Tangerang | Western Indonesia Time | 02:00 |
| Incheon Baotou | China Time | 01:00 |
| Incheon Dallas | Central Time | 15:00 |
| Incheon Medina | Arabian Time | 06:00 |
| Incheon Yaoundé | West Africa Time | 08:00 |
| Incheon Bamako | Greenwich Mean Time | 09:00 |
| Incheon Nashik | India Standard Time | 03:30 |
| Incheon Semarang | Western Indonesia Time | 02:00 |
| Incheon Brazzaville | West Africa Time | 08:00 |
| Incheon Pimpri | India Standard Time | 03:30 |
| Incheon Nizhny Novgorod | Moscow Time | 06:00 |
| Incheon Amman | Eastern European Time | 07:00 |
| Incheon Budta | Philippine Time | 01:00 |
| Incheon Belgrade | Central European Time | 08:00 |
| Incheon Montevideo | Uruguay Time | 12:00 |
| Incheon Lusaka | Central Africa Time | 07:00 |
| Incheon Xuchang | China Time | 01:00 |
| Incheon Kalyan | India Standard Time | 03:30 |
| Incheon Thane | India Standard Time | 03:30 |
| Incheon Munich | Central European Time | 08:00 |
| Incheon Ra’s Bayrūt | Eastern European Time | 07:00 |
| Incheon Shiraz | Iran Time | 05:30 |
| Incheon Adana | Turkey Time | 06:00 |
| Incheon Suwon | Korean Time | 00:00 |
| Incheon Milan | Central European Time | 08:00 |
| Incheon Port-au-Prince | Eastern Time | 14:00 |
| Incheon Ciudad Nezahualcóyotl | Central Time | 15:00 |
| Incheon Adelaide | Central Australia Time | -01:30 |
| Incheon Meerut | India Standard Time | 03:30 |
| Incheon Nowrangapur | India Standard Time | 03:30 |
| Incheon Faridabad | India Standard Time | 03:30 |
| Incheon Peshawar | Pakistan Time | 04:00 |
| Incheon Davao City | Philippine Time | 01:00 |
| Incheon Mandalay | Myanmar Time | 02:30 |
| Incheon Yueyang | China Time | 01:00 |
| Incheon Santiago De Los Caballeros | Atlantic Time | 13:00 |
| Incheon Omdurman | Central Africa Time | 07:00 |
| Incheon Anshan | China Time | 01:00 |
| Incheon Xuzhou | China Time | 01:00 |
| Incheon Ghaziabad | India Standard Time | 03:30 |
| Incheon Depok | Western Indonesia Time | 02:00 |
| Incheon Saitama | Japan Time | 00:00 |
| Incheon Gustavo Adolfo Madero | Central Time | 15:00 |
| Incheon Dombivli | India Standard Time | 03:30 |
| Incheon Maputo | Central Africa Time | 07:00 |
| Incheon Fuzhou | China Time | 01:00 |
| Incheon Rajkot | India Standard Time | 03:30 |
| Incheon Rosario | Argentina Time | 12:00 |
| Incheon Guiyang | China Time | 01:00 |
| Incheon Goiânia | Brasilia Time | 12:00 |