| Cincinnati Yountville | Pacific Time | 03:00 |
| Cincinnati Kullu | India Standard Time | -09:30 |
| Cincinnati Ypres | Central European Time | -06:00 |
| Cincinnati Kham Yai | Indochina Time | -11:00 |
| Cincinnati Keystone | Mountain Time | 02:00 |
| Cincinnati Kuala Ketil | Malaysia Time | -12:00 |
| Cincinnati Kuala Berang | Malaysia Time | -12:00 |
| Cincinnati Khao Phang | Indochina Time | -11:00 |
| Cincinnati Khanote | Pakistan Time | -09:00 |
| Cincinnati Kuala Sepetang | Malaysia Time | -12:00 |
| Cincinnati Kuala Lumpur | Malaysia Time | -12:00 |
| Cincinnati Kuala Lumpur | Malaysia Time | -12:00 |
| Cincinnati Kuala Lumpur | Malaysia Time | -12:00 |
| Cincinnati Kuala Lumpur | Malaysia Time | -12:00 |
| Cincinnati Kuala Perlis | Malaysia Time | -12:00 |
| Cincinnati Kubang Semang | Malaysia Time | -12:00 |
| Cincinnati Kafra | Eastern European Time | -07:00 |
| Cincinnati Kagawa-gun | Japan Time | -13:00 |
| Cincinnati Kaghan | Pakistan Time | -09:00 |
| Cincinnati Kadima Zoran | Israel Time | -07:00 |
| Cincinnati Kadapra | India Standard Time | -09:30 |
| Cincinnati Kadapa | India Standard Time | -09:30 |
| Cincinnati Kadambur | India Standard Time | -09:30 |
| Cincinnati Kesare | India Standard Time | -09:30 |
| Cincinnati Kérou | West Africa Time | -05:00 |
| Cincinnati Kerpen | Central European Time | -06:00 |
| Cincinnati Kernen | Central European Time | -06:00 |
| Cincinnati Kahuku | Hawaii-Aleutian Time | 06:00 |
| Cincinnati Kewanee | Central Time | 01:00 |
| Cincinnati Key Biscayne | Eastern Time | 00:00 |
| Cincinnati Key Largo | Eastern Time | 00:00 |
| Cincinnati Khadki | India Standard Time | -09:30 |
| Cincinnati Kfar Monash | Israel Time | -07:00 |
| Cincinnati Kfar Saba | Israel Time | -07:00 |
| Cincinnati Kfar Tavor | Israel Time | -07:00 |
| Cincinnati Keswick | United Kingdom Time | -05:00 |
| Cincinnati Ketchikan | Alaska Time | 04:00 |
| Cincinnati Kettleman City | Pacific Time | 03:00 |