| Başakşehir Daylesford | Eastern Australia Time | -07:00 |
| Başakşehir Davos | Central European Time | 01:00 |
| Başakşehir Dawalwadi | India Standard Time | -02:30 |
| Başakşehir Davidson | Eastern Time | 07:00 |
| Başakşehir Dapto | Eastern Australia Time | -07:00 |
| Başakşehir Dardanelle | Central Time | 08:00 |
| Başakşehir Darch | Western Australia Time | -05:00 |
| Başakşehir Darasaguppe | India Standard Time | -02:30 |
| Başakşehir Colònia de Sant Jordi | Central European Time | 01:00 |
| Başakşehir Coloncito | Eastern Time | 08:00 |
| Başakşehir Colonel Light Gardens | Central Australia Time | -06:30 |
| Başakşehir Colombo | India Standard Time | -02:30 |
| Başakşehir Colp | Central Time | 08:00 |
| Başakşehir Columbia Falls | Mountain Time | 09:00 |
| Başakşehir Colares | Western European Time | 02:00 |
| Başakşehir Coina | Western European Time | 02:00 |
| Başakşehir Coffeyville | Central Time | 08:00 |
| Başakşehir Chandrapur | Nepal Time | -02:45 |
| Başakşehir Chandigadh | India Standard Time | -02:30 |
| Başakşehir Chandanpur | India Standard Time | -02:30 |
| Başakşehir Collingwood | Eastern Australia Time | -07:00 |
| Başakşehir Cologna Veneta | Central European Time | 01:00 |
| Başakşehir Cologne | Central European Time | 01:00 |
| Başakşehir Collingswood | Eastern Time | 07:00 |
| Başakşehir College Place | Pacific Time | 10:00 |
| Başakşehir Collegeville | Eastern Time | 07:00 |
| Başakşehir Cold Spring | Eastern Time | 07:00 |
| Başakşehir Coldwater | Eastern Time | 07:00 |
| Başakşehir Colfax | Pacific Time | 10:00 |
| Başakşehir Colborne | Eastern Time | 07:00 |
| Başakşehir Chagford | United Kingdom Time | 02:00 |
| Başakşehir Chablis | Central European Time | 01:00 |
| Başakşehir Chadstone | Eastern Australia Time | -07:00 |
| Başakşehir Chae Ramae | Indochina Time | -04:00 |
| Başakşehir Chakpachuria | India Standard Time | -02:30 |
| Başakşehir Chamonix | Central European Time | 01:00 |
| Başakşehir Chamblee | Eastern Time | 07:00 |
| Başakşehir Chalong | Indochina Time | -04:00 |