| Cheonan-si Zaporizhia | Eastern European Time | 06:00 |
| Cheonan-si Marseille | Central European Time | 07:00 |
| Cheonan-si Al Zarqa | Eastern European Time | 06:00 |
| Cheonan-si Çankaya | Turkey Time | 06:00 |
| Cheonan-si Boumerdas | Central European Time | 08:00 |
| Cheonan-si Jalandhar | India Standard Time | 03:30 |
| Cheonan-si Thiruvananthapuram | India Standard Time | 03:30 |
| Cheonan-si Sakai | Japan Time | 00:00 |
| Cheonan-si Anyang | China Time | 01:00 |
| Cheonan-si San Miguel de Tucuman | Argentina Time | 12:00 |
| Cheonan-si Cotonou | West Africa Time | 08:00 |
| Cheonan-si Salem | India Standard Time | 03:30 |
| Cheonan-si Tiruchirappalli | India Standard Time | 03:30 |
| Cheonan-si Homs | Eastern European Time | 06:00 |
| Cheonan-si Hohhot | China Time | 01:00 |
| Cheonan-si Niamey | West Africa Time | 08:00 |
| Cheonan-si Tainan City | Taipei Time | 01:00 |
| Cheonan-si Shangyu | China Time | 01:00 |
| Cheonan-si Łódź | Central European Time | 07:00 |
| Cheonan-si Dammam | Arabian Time | 06:00 |
| Cheonan-si Xining | China Time | 01:00 |
| Cheonan-si Kahrīz | Iran Time | 04:30 |
| Cheonan-si Kota | India Standard Time | 03:30 |
| Cheonan-si Natal | Brasilia Time | 12:00 |
| Cheonan-si Bhubaneshwar | India Standard Time | 03:30 |
| Cheonan-si Qinhuangdao | China Time | 01:00 |
| Cheonan-si Hengyang | China Time | 01:00 |
| Cheonan-si Antalya | Turkey Time | 06:00 |
| Cheonan-si Kraków | Central European Time | 07:00 |
| Cheonan-si Aligarh | India Standard Time | 03:30 |
| Cheonan-si Da Nang | Indochina Time | 02:00 |
| Cheonan-si Pietermaritzburg | South Africa Standard Time | 07:00 |
| Cheonan-si Lomé | Greenwich Mean Time | 09:00 |
| Cheonan-si Trujillo | Peru Time | 14:00 |
| Cheonan-si Malang | Western Indonesia Time | 02:00 |
| Cheonan-si Ciudad Guayana | Venezuela Time | 13:00 |
| Cheonan-si Bareilly | India Standard Time | 03:30 |
| Cheonan-si Kigali | Central Africa Time | 07:00 |
| Cheonan-si Teresina | Brasilia Time | 12:00 |
| Cheonan-si Xinxiang | China Time | 01:00 |
| Cheonan-si São Bernardo do Campo | Brasilia Time | 12:00 |
| Cheonan-si Hegang | China Time | 01:00 |
| Cheonan-si Rīga | Eastern European Time | 06:00 |
| Cheonan-si Amsterdam | Central European Time | 07:00 |
| Cheonan-si Oyo | West Africa Time | 08:00 |
| Cheonan-si Quetta | Pakistan Time | 04:00 |
| Cheonan-si Nottingham | United Kingdom Time | 08:00 |
| Cheonan-si Campo Grande | Amazon Time | 13:00 |
| Cheonan-si Ashgabat | Turkmenistan Time | 04:00 |
| Cheonan-si Álvaro Obregón | Central Time | 14:00 |