| Ciechanów Assago | Central European Time | 00:00 |
| Ciechanów Nagambie | Eastern Australia Time | -08:00 |
| Ciechanów Cyberjaya | Malaysia Time | -06:00 |
| Ciechanów Nagalapuram | India Standard Time | -03:30 |
| Ciechanów San Andrés Cholula | Central Time | 07:00 |
| Ciechanów Mojácar | Central European Time | 00:00 |
| Ciechanów Cygnet | Eastern Australia Time | -08:00 |
| Ciechanów Möhlin | Central European Time | 00:00 |
| Ciechanów Bhigwan | India Standard Time | -03:30 |
| Ciechanów Mohol | India Standard Time | -03:30 |
| Ciechanów Douglas | Eastern Time | 06:00 |
| Ciechanów Nador | Western European Time | 01:00 |
| Ciechanów Schwalbach am Taunus | Central European Time | 00:00 |
| Ciechanów Mafra | Western European Time | 01:00 |
| Ciechanów Doune | United Kingdom Time | 01:00 |
| Ciechanów Magdalena del Mar | Peru Time | 07:00 |
| Ciechanów Bhilai | India Standard Time | -03:30 |
| Ciechanów Magill | Central Australia Time | -07:30 |
| Ciechanów Doveton | Eastern Australia Time | -08:00 |
| Ciechanów Matten bei Interlaken | Central European Time | 00:00 |
| Ciechanów Schwandorf | Central European Time | 00:00 |
| Ciechanów Matraville | Eastern Australia Time | -08:00 |
| Ciechanów Dowarabazar | Bangladesh Time | -04:00 |
| Ciechanów Matawan | Eastern Time | 06:00 |
| Ciechanów Bhilar | India Standard Time | -03:30 |
| Ciechanów Matarbari | Bangladesh Time | -04:00 |
| Ciechanów Cumberland Park | Central Australia Time | -07:30 |
| Ciechanów Matinhos | Brasilia Time | 05:00 |
| Ciechanów Schwentinental | Central European Time | 00:00 |
| Ciechanów Matheran | India Standard Time | -03:30 |
| Ciechanów Cullman | Central Time | 07:00 |
| Ciechanów Maylands | Western Australia Time | -06:00 |
| Ciechanów Bhimtal | India Standard Time | -03:30 |
| Ciechanów Mittagong | Eastern Australia Time | -08:00 |
| Ciechanów Cholula de Rivadabia | Central Time | 07:00 |
| Ciechanów Mittenwald | Central European Time | 00:00 |
| Ciechanów Schrecksbach | Central European Time | 00:00 |
| Ciechanów Mitzpe Ramon | Israel Time | -01:00 |
| Ciechanów Choluteca | Central Time | 08:00 |
| Ciechanów Mayfield | Eastern Australia Time | -08:00 |
| Ciechanów Bhitoli Khurd | India Standard Time | -03:30 |
| Ciechanów Mayfield | United Kingdom Time | 01:00 |
| Ciechanów Cumming | Eastern Time | 06:00 |
| Ciechanów Mayfield | Central Time | 07:00 |
| Ciechanów Schwaigern | Central European Time | 00:00 |
| Ciechanów Mayotte | Eastern Time | 06:00 |
| Ciechanów Cunit | Central European Time | 00:00 |
| Ciechanów Mayville | Eastern Time | 06:00 |
| Ciechanów Bhatpachlana | India Standard Time | -03:30 |
| Ciechanów Maude | Eastern Australia Time | -08:00 |