| Gas City Chadstone | Eastern Australia Time | -14:00 |
| Gas City Chae Ramae | Indochina Time | -11:00 |
| Gas City Chagford | United Kingdom Time | -05:00 |
| Gas City Chalong | Indochina Time | -11:00 |
| Gas City Chakpachuria | India Standard Time | -09:30 |
| Gas City Cabudare | Venezuela Time | 00:00 |
| Gas City Cabrils | Central European Time | -06:00 |
| Gas City Cadiz | Central Time | 01:00 |
| Gas City Cadalso | Central European Time | -06:00 |
| Gas City Cadalso de los Vidrios | Central European Time | -06:00 |
| Gas City Cadereyta Jiménez | Central Time | 01:00 |
| Gas City Cabazon | Pacific Time | 03:00 |
| Gas City Cabarete | Atlantic Time | 00:00 |
| Gas City Cabramatta | Eastern Australia Time | -14:00 |
| Gas City Cabrerets | Central European Time | -06:00 |
| Gas City Cabo de Gata | Central European Time | -06:00 |
| Gas City Byrdstown | Central Time | 01:00 |
| Gas City Byrnihat | India Standard Time | -09:30 |
| Gas City Byron | Eastern Time | 00:00 |
| Gas City Byron Bay | Eastern Australia Time | -14:00 |
| Gas City Bytča | Central European Time | -06:00 |
| Gas City Byford | Western Australia Time | -12:00 |
| Gas City Circleville | Eastern Time | 00:00 |
| Gas City Cimadolmo | Central European Time | -06:00 |
| Gas City Ciney | Central European Time | -06:00 |
| Gas City Chuo | Japan Time | -13:00 |
| Gas City Cifuentes | Central European Time | -06:00 |
| Gas City Cidade Ocidental | Brasilia Time | -01:00 |
| Gas City Choudrant | Central Time | 01:00 |
| Gas City Christies Beach | Central Australia Time | -13:30 |
| Gas City Chryston | United Kingdom Time | -05:00 |
| Gas City Chukai | Malaysia Time | -12:00 |
| Gas City Chotebor | Central European Time | -06:00 |
| Gas City Chamonix | Central European Time | -06:00 |
| Gas City Chamblee | Eastern Time | 00:00 |
| Gas City Chandrapur | Nepal Time | -09:45 |
| Gas City Chandigadh | India Standard Time | -09:30 |
| Gas City Chandanpur | India Standard Time | -09:30 |