| Mokpo-si Carmel-by-the-Sea | Pacific Time | 16:00 |
| Mokpo-si Carlton | Eastern Australia Time | -01:00 |
| Mokpo-si Carlton North | Eastern Australia Time | -01:00 |
| Mokpo-si Carnac | Central European Time | 07:00 |
| Mokpo-si Caroline Springs | Eastern Australia Time | -01:00 |
| Mokpo-si Carnforth | United Kingdom Time | 08:00 |
| Mokpo-si Carole Park | Eastern Australia Time | -01:00 |
| Mokpo-si Carolina Beach | Eastern Time | 13:00 |
| Mokpo-si Chianciano Terme | Central European Time | 07:00 |
| Mokpo-si Chiang Mai | Indochina Time | 02:00 |
| Mokpo-si Chester | Eastern Time | 13:00 |
| Mokpo-si Chester Hill | Eastern Australia Time | -01:00 |
| Mokpo-si Chesterland | Eastern Time | 13:00 |
| Mokpo-si Chestermere | Mountain Time | 15:00 |
| Mokpo-si Chesterton | Central Time | 14:00 |
| Mokpo-si Chestertown | Eastern Time | 13:00 |
| Mokpo-si Cottonwood | Mountain Time | 16:00 |
| Mokpo-si Cottage Grove | Pacific Time | 16:00 |
| Mokpo-si Cotgrave | United Kingdom Time | 08:00 |
| Mokpo-si Cotati | Pacific Time | 16:00 |
| Mokpo-si Cortona | Central European Time | 07:00 |
| Mokpo-si Costa da Caparica | Western European Time | 08:00 |
| Mokpo-si Costa d'en Blanes | Central European Time | 07:00 |
| Mokpo-si Cosmopolis | Pacific Time | 16:00 |
| Mokpo-si Costa Teguise | Western European Time | 08:00 |
| Mokpo-si Courthézon | Central European Time | 07:00 |
| Mokpo-si Cova da Piedade | Western European Time | 08:00 |
| Mokpo-si Court-St.-Etienne | Central European Time | 07:00 |
| Mokpo-si Courmayeur | Central European Time | 07:00 |
| Mokpo-si Coulter | United Kingdom Time | 08:00 |
| Mokpo-si Covington | Central Time | 14:00 |
| Mokpo-si Cowaramup | Western Australia Time | 01:00 |
| Mokpo-si Cozumel | Eastern Time | 14:00 |
| Mokpo-si Chicago | Central Time | 14:00 |
| Mokpo-si Corte De' Frati | Central European Time | 07:00 |
| Mokpo-si Corte Madera | Pacific Time | 16:00 |
| Mokpo-si Corralejo | Western European Time | 08:00 |
| Mokpo-si Chikusa Ward | Japan Time | 00:00 |