| Cheonan-si Olinda | Eastern Australia Time | -01:00 |
| Cheonan-si Tiruchendur | India Standard Time | 03:30 |
| Cheonan-si Glis | Central European Time | 07:00 |
| Cheonan-si Maïné-Soroa | West Africa Time | 08:00 |
| Cheonan-si Rincon | Atlantic Time | 13:00 |
| Cheonan-si Tirupattur | India Standard Time | 03:30 |
| Cheonan-si Bochum | Central European Time | 07:00 |
| Cheonan-si Europoort Rotterdam | Central European Time | 07:00 |
| Cheonan-si Olive Hill | Eastern Time | 13:00 |
| Cheonan-si Sombreffe | Central European Time | 07:00 |
| Cheonan-si Glenside | Eastern Time | 13:00 |
| Cheonan-si Maiden Gully | Eastern Australia Time | -01:00 |
| Cheonan-si Rillaar | Central European Time | 07:00 |
| Cheonan-si Solvang | Pacific Time | 16:00 |
| Cheonan-si Boelenslaan | Central European Time | 07:00 |
| Cheonan-si Etten-Leur | Central European Time | 07:00 |
| Cheonan-si Pimpalgaon Baswant | India Standard Time | 03:30 |
| Cheonan-si Somanahalli | India Standard Time | 03:30 |
| Cheonan-si Glenunga | Central Australia Time | -00:30 |
| Cheonan-si Mahon | Central European Time | 07:00 |
| Cheonan-si Samoëns | Central European Time | 07:00 |
| Cheonan-si Söll | Central European Time | 07:00 |
| Cheonan-si Boaz | Central Time | 14:00 |
| Cheonan-si Etterbeek | Central European Time | 07:00 |
| Cheonan-si Pillayarkuppam | India Standard Time | 03:30 |
| Cheonan-si Solothurn | Central European Time | 07:00 |
| Cheonan-si Glenorchy | Eastern Australia Time | -01:00 |
| Cheonan-si Eudlo | Eastern Australia Time | -01:00 |
| Cheonan-si Samos | Eastern European Time | 06:00 |
| Cheonan-si Solrød | Central European Time | 07:00 |
| Cheonan-si Boambee | Eastern Australia Time | -01:00 |
| Cheonan-si Eudora | Central Time | 14:00 |
| Cheonan-si Pilot Butte | Central Time | 15:00 |
| Cheonan-si Sóller | Central European Time | 07:00 |
| Cheonan-si Glenfield | Eastern Australia Time | -01:00 |
| Cheonan-si Solana Beach | Pacific Time | 16:00 |
| Cheonan-si Samouco | Western European Time | 08:00 |
| Cheonan-si Sohar | Gulf Standard Time | 05:00 |
| Cheonan-si Boca del Río | Central Time | 14:00 |
| Cheonan-si Sokali | India Standard Time | 03:30 |
| Cheonan-si Pilot Mountain | Eastern Time | 13:00 |
| Cheonan-si Sodus | Eastern Time | 13:00 |
| Cheonan-si Glenelg | Central Australia Time | -00:30 |
| Cheonan-si Sodus Point | Eastern Time | 13:00 |
| Cheonan-si San Andrés Cholula | Central Time | 14:00 |
| Cheonan-si Soběslav | Central European Time | 07:00 |
| Cheonan-si Bocas del Toro Province | Eastern Time | 14:00 |
| Cheonan-si Snoqualmie | Pacific Time | 16:00 |
| Cheonan-si Pincourt | Eastern Time | 13:00 |
| Cheonan-si Setagaya | Japan Time | 00:00 |