| Chiang Mai Baladare | India Standard Time | 01:30 |
| Chiang Mai Crows Nest | Eastern Australia Time | -03:00 |
| Chiang Mai Crow's Nest | United Kingdom Time | 06:00 |
| Chiang Mai Cromwell | Eastern Time | 11:00 |
| Chiang Mai Cross Plains | Central Time | 12:00 |
| Chiang Mai Crossville | Central Time | 12:00 |
| Chiang Mai Crossways | United Kingdom Time | 06:00 |
| Chiang Mai Carhaix-Plouguer | Central European Time | 05:00 |
| Chiang Mai Carle Place | Eastern Time | 11:00 |
| Chiang Mai Cardiff | Eastern Australia Time | -03:00 |
| Chiang Mai Cardigan | United Kingdom Time | 06:00 |
| Chiang Mai Cardona | Central European Time | 05:00 |
| Chiang Mai Cardonville | Central European Time | 05:00 |
| Chiang Mai Carleton Place | Eastern Time | 11:00 |
| Chiang Mai Carlin | Pacific Time | 14:00 |
| Chiang Mai Carlingford | Ireland Time | 06:00 |
| Chiang Mai Carlton | Eastern Australia Time | -03:00 |
| Chiang Mai Carlton North | Eastern Australia Time | -03:00 |
| Chiang Mai Broussard | Central Time | 12:00 |
| Chiang Mai Browns Plains | Eastern Australia Time | -03:00 |
| Chiang Mai Caraíva | Brasilia Time | 10:00 |
| Chiang Mai Caraz | Peru Time | 12:00 |
| Chiang Mai Carbis Bay | United Kingdom Time | 06:00 |
| Chiang Mai Cárcar | Central European Time | 05:00 |
| Chiang Mai Caroline Springs | Eastern Australia Time | -03:00 |
| Chiang Mai Carolina Beach | Eastern Time | 11:00 |
| Chiang Mai Chilmark | Eastern Time | 11:00 |
| Chiang Mai Chiloquin | Pacific Time | 14:00 |
| Chiang Mai Chimgan | Uzbekistan Time | 02:00 |
| Chiang Mai Carnforth | United Kingdom Time | 06:00 |
| Chiang Mai Carole Park | Eastern Australia Time | -03:00 |
| Chiang Mai Carnac | Central European Time | 05:00 |
| Chiang Mai Carmel-by-the-Sea | Pacific Time | 14:00 |
| Chiang Mai Chimney Rock | Eastern Time | 11:00 |
| Chiang Mai Chippewa Falls | Central Time | 12:00 |
| Chiang Mai Chipping Campden | United Kingdom Time | 06:00 |
| Chiang Mai Chipping Norton | Eastern Australia Time | -03:00 |
| Chiang Mai Chinon | Central European Time | 05:00 |