| Cockeysville Blue Hill | Eastern Time | 00:00 |
| Cockeysville Bluff City | Eastern Time | 00:00 |
| Cockeysville Bluffton | Eastern Time | 00:00 |
| Cockeysville Boerne | Central Time | 01:00 |
| Cockeysville Boelenslaan | Central European Time | -06:00 |
| Cockeysville Bochum | Central European Time | -06:00 |
| Cockeysville Bocas del Toro Province | Eastern Time | 01:00 |
| Cockeysville Boca del Río | Central Time | 01:00 |
| Cockeysville Cala Ferrera | Central European Time | -06:00 |
| Cockeysville Cala Millor | Central European Time | -06:00 |
| Cockeysville Calaf | Central European Time | -06:00 |
| Cockeysville Calbe | Central European Time | -06:00 |
| Cockeysville Calvi | Central European Time | -06:00 |
| Cockeysville Calolziocorte | Central European Time | -06:00 |
| Cockeysville Caloocan | Philippine Time | -12:00 |
| Cockeysville Calistoga | Pacific Time | 03:00 |
| Cockeysville Califon | Eastern Time | 00:00 |
| Cockeysville California | Eastern Time | 00:00 |
| Cockeysville Calimesa | Pacific Time | 03:00 |
| Cockeysville Caldes d'Estrac | Central European Time | -06:00 |
| Cockeysville Colares | Western European Time | -05:00 |
| Cockeysville Cold Spring | Eastern Time | 00:00 |
| Cockeysville Coldwater | Eastern Time | 00:00 |
| Cockeysville Colfax | Pacific Time | 03:00 |
| Cockeysville Colborne | Eastern Time | 00:00 |
| Cockeysville Coina | Western European Time | -05:00 |
| Cockeysville Coffeyville | Central Time | 01:00 |
| Cockeysville Chandanpur | India Standard Time | -09:30 |
| Cockeysville Chandigadh | India Standard Time | -09:30 |
| Cockeysville Chandrapur | Nepal Time | -09:45 |
| Cockeysville Chamblee | Eastern Time | 00:00 |
| Cockeysville Chamonix | Central European Time | -06:00 |
| Cockeysville Chagford | United Kingdom Time | -05:00 |
| Cockeysville Chadstone | Eastern Australia Time | -14:00 |
| Cockeysville Chae Ramae | Indochina Time | -11:00 |
| Cockeysville Chablis | Central European Time | -06:00 |
| Cockeysville Chalong | Indochina Time | -11:00 |
| Cockeysville Chakpachuria | India Standard Time | -09:30 |