| Ciechanów Parga | Eastern European Time | -01:00 |
| Ciechanów West Hindmarsh | Central Australia Time | -07:30 |
| Ciechanów Ambala Cantt | India Standard Time | -03:30 |
| Ciechanów Saint Francis | Central Time | 07:00 |
| Ciechanów Pargas | Eastern European Time | -01:00 |
| Ciechanów West Monroe | Central Time | 07:00 |
| Ciechanów Barranquitas | Atlantic Time | 06:00 |
| Ciechanów Burleigh Heads | Eastern Australia Time | -08:00 |
| Ciechanów Orangeburg | Eastern Time | 06:00 |
| Ciechanów West Milwaukee | Central Time | 07:00 |
| Ciechanów Ambler | Eastern Time | 06:00 |
| Ciechanów Saint Croix Falls | Central Time | 07:00 |
| Ciechanów Orange Park | Eastern Time | 06:00 |
| Ciechanów West Melbourne | Eastern Australia Time | -08:00 |
| Ciechanów Barranco District | Peru Time | 07:00 |
| Ciechanów Burkburnett | Central Time | 07:00 |
| Ciechanów Opatija | Central European Time | 00:00 |
| Ciechanów West Lakes | Central Australia Time | -07:30 |
| Ciechanów Ambleside | United Kingdom Time | 01:00 |
| Ciechanów Saint Davids | United Kingdom Time | 01:00 |
| Ciechanów Oostkapelle | Central European Time | 00:00 |
| Ciechanów West Lorne | Eastern Time | 06:00 |
| Ciechanów Barnstable | Eastern Time | 06:00 |
| Ciechanów Be'er Sheva | Israel Time | -01:00 |
| Ciechanów Opfikon | Central European Time | 00:00 |
| Ciechanów West Mackay | Eastern Australia Time | -08:00 |
| Ciechanów Ashwood | Eastern Australia Time | -08:00 |
| Ciechanów Saint-Denis-de-l'Hôtel | Central European Time | 00:00 |
| Ciechanów Ooltewah | Eastern Time | 06:00 |
| Ciechanów West Croydon | Central Australia Time | -07:30 |
| Ciechanów Barns Green | United Kingdom Time | 01:00 |
| Ciechanów Beeston | United Kingdom Time | 01:00 |
| Ciechanów Oosterbeek | Central European Time | 00:00 |
| Ciechanów West End | Eastern Australia Time | -08:00 |
| Ciechanów Ashprington | United Kingdom Time | 01:00 |
| Ciechanów Saint Helena | Pacific Time | 09:00 |
| Ciechanów Onești | Eastern European Time | -01:00 |
| Ciechanów West End | Central Time | 08:00 |
| Ciechanów Barnagar | India Standard Time | -03:30 |
| Ciechanów Begur | Central European Time | 00:00 |
| Ciechanów Onhaye | Central European Time | 00:00 |
| Ciechanów West Chazy | Eastern Time | 06:00 |
| Ciechanów America | Central European Time | 00:00 |
| Ciechanów Saint Georg | Central European Time | 00:00 |
| Ciechanów Ondara | Central European Time | 00:00 |
| Ciechanów West Columbia | Eastern Time | 06:00 |
| Ciechanów Barnard Castle | United Kingdom Time | 01:00 |
| Ciechanów Balik Pulau | Malaysia Time | -06:00 |
| Ciechanów Yorktown Heights | Eastern Time | 06:00 |
| Ciechanów West Cape May | Eastern Time | 06:00 |