| Lagoa Carlton North | Eastern Australia Time | -09:00 |
| Lagoa Carlingford | Ireland Time | 00:00 |
| Lagoa Carlin | Pacific Time | 08:00 |
| Lagoa Carnac | Central European Time | -01:00 |
| Lagoa Carnforth | United Kingdom Time | 00:00 |
| Lagoa Carole Park | Eastern Australia Time | -09:00 |
| Lagoa Carolina Beach | Eastern Time | 05:00 |
| Lagoa Cholula de Rivadabia | Central Time | 06:00 |
| Lagoa Choluteca | Central Time | 07:00 |
| Lagoa Choeng Thale | Indochina Time | -06:00 |
| Lagoa Chiyoda | Japan Time | -08:00 |
| Lagoa Chittissery | India Standard Time | -04:30 |
| Lagoa Chittoor | India Standard Time | -04:30 |
| Lagoa Chityala | India Standard Time | -04:30 |
| Lagoa Corte De' Frati | Central European Time | -01:00 |
| Lagoa Corte Madera | Pacific Time | 08:00 |
| Lagoa Corralejo | Western European Time | 00:00 |
| Lagoa Cortona | Central European Time | -01:00 |
| Lagoa Costa da Caparica | Western European Time | 00:00 |
| Lagoa Costa d'en Blanes | Central European Time | -01:00 |
| Lagoa Cosmopolis | Pacific Time | 08:00 |
| Lagoa Costa Teguise | Western European Time | 00:00 |
| Lagoa Cottonwood | Mountain Time | 08:00 |
| Lagoa Cottage Grove | Pacific Time | 08:00 |
| Lagoa Cotgrave | United Kingdom Time | 00:00 |
| Lagoa Cotati | Pacific Time | 08:00 |
| Lagoa Courthézon | Central European Time | -01:00 |
| Lagoa Cova da Piedade | Western European Time | 00:00 |
| Lagoa Court-St.-Etienne | Central European Time | -01:00 |
| Lagoa Courmayeur | Central European Time | -01:00 |
| Lagoa Coulter | United Kingdom Time | 00:00 |
| Lagoa Covington | Central Time | 06:00 |
| Lagoa Cowaramup | Western Australia Time | -07:00 |
| Lagoa Cozumel | Eastern Time | 06:00 |
| Lagoa Docklands | Eastern Australia Time | -09:00 |
| Lagoa Doesburg | Central European Time | -01:00 |
| Lagoa Cramlington | United Kingdom Time | 00:00 |
| Lagoa Dobbs Ferry | Eastern Time | 05:00 |