| Poznań Cuautla | Central Time | 07:00 |
| Poznań Cassis | Central European Time | 00:00 |
| Poznań Cuba | Central Time | 07:00 |
| Poznań Castagneto Carducci | Central European Time | 00:00 |
| Poznań Cucuron | Central European Time | 00:00 |
| Poznań Casselman | Eastern Time | 06:00 |
| Poznań Cuddington | United Kingdom Time | 01:00 |
| Poznań Cassà de la Selva | Central European Time | 00:00 |
| Poznań Docklands | Eastern Australia Time | -10:00 |
| Poznań Choudrant | Central Time | 07:00 |
| Poznań Dobbs Ferry | Eastern Time | 06:00 |
| Poznań Chotebor | Central European Time | 00:00 |
| Poznań Dolphin Coast | South Africa Standard Time | -01:00 |
| Poznań Chukai | Malaysia Time | -07:00 |
| Poznań Dolynka | Eastern European Time | -01:00 |
| Poznań Christies Beach | Central Australia Time | -09:30 |
| Poznań Dolus-d'Oléron | Central European Time | 00:00 |
| Poznań Chryston | United Kingdom Time | 01:00 |
| Poznań Dolo | Central European Time | 00:00 |
| Poznań Carpinteria | Pacific Time | 09:00 |
| Poznań Doesburg | Central European Time | 00:00 |
| Poznań Buena | Eastern Time | 06:00 |
| Poznań Domodossola | Central European Time | 00:00 |
| Poznań Carovigno | Central European Time | 00:00 |
| Poznań Domžale | Central European Time | 00:00 |
| Poznań Carrouge | Central European Time | 00:00 |
| Poznań Don Mueang | Indochina Time | -06:00 |
| Poznań Carvoeiro | Western European Time | 01:00 |
| Poznań Dorrego | Argentina Time | 04:00 |
| Poznań Casale Marittimo | Central European Time | 00:00 |
| Poznań Dorrigo | Eastern Australia Time | -10:00 |
| Poznań Casaletto Ceredano | Central European Time | 00:00 |
| Poznań Donnalucata | Central European Time | 00:00 |
| Poznań Caslano | Central European Time | 00:00 |
| Poznań Dongying | China Time | -07:00 |
| Poznań Casillas | Central European Time | 00:00 |
| Poznań Donji Vinjani | Central European Time | 00:00 |
| Poznań Caselle Torinese | Central European Time | 00:00 |