| Ciechanów Kawasaki | Japan Time | -07:00 |
| Ciechanów South Tangerang | Western Indonesia Time | -05:00 |
| Ciechanów Baotou | China Time | -06:00 |
| Ciechanów Dallas | Central Time | 07:00 |
| Ciechanów Medina | Arabian Time | -01:00 |
| Ciechanów Yaoundé | West Africa Time | 01:00 |
| Ciechanów Bamako | Greenwich Mean Time | 02:00 |
| Ciechanów Nashik | India Standard Time | -03:30 |
| Ciechanów Semarang | Western Indonesia Time | -05:00 |
| Ciechanów Brazzaville | West Africa Time | 01:00 |
| Ciechanów Pimpri | India Standard Time | -03:30 |
| Ciechanów Nizhny Novgorod | Moscow Time | -01:00 |
| Ciechanów Amman | Eastern European Time | -01:00 |
| Ciechanów Budta | Philippine Time | -06:00 |
| Ciechanów Belgrade | Central European Time | 00:00 |
| Ciechanów Montevideo | Uruguay Time | 05:00 |
| Ciechanów Lusaka | Central Africa Time | 00:00 |
| Ciechanów Xuchang | China Time | -06:00 |
| Ciechanów Kalyan | India Standard Time | -03:30 |
| Ciechanów Thane | India Standard Time | -03:30 |
| Ciechanów Munich | Central European Time | 00:00 |
| Ciechanów Ra’s Bayrūt | Eastern European Time | -01:00 |
| Ciechanów Shiraz | Iran Time | -02:30 |
| Ciechanów Adana | Turkey Time | -01:00 |
| Ciechanów Suwon | Korean Time | -07:00 |
| Ciechanów Milan | Central European Time | 00:00 |
| Ciechanów Port-au-Prince | Eastern Time | 06:00 |
| Ciechanów Ciudad Nezahualcóyotl | Central Time | 07:00 |
| Ciechanów Adelaide | Central Australia Time | -07:30 |
| Ciechanów Meerut | India Standard Time | -03:30 |
| Ciechanów Nowrangapur | India Standard Time | -03:30 |
| Ciechanów Faridabad | India Standard Time | -03:30 |
| Ciechanów Peshawar | Pakistan Time | -03:00 |
| Ciechanów Davao City | Philippine Time | -06:00 |
| Ciechanów Mandalay | Myanmar Time | -04:30 |
| Ciechanów Omdurman | Central Africa Time | 00:00 |
| Ciechanów Yueyang | China Time | -06:00 |
| Ciechanów Santiago De Los Caballeros | Atlantic Time | 06:00 |
| Ciechanów Anshan | China Time | -06:00 |
| Ciechanów Xuzhou | China Time | -06:00 |
| Ciechanów Ghaziabad | India Standard Time | -03:30 |
| Ciechanów Depok | Western Indonesia Time | -05:00 |
| Ciechanów Saitama | Japan Time | -07:00 |
| Ciechanów Gustavo Adolfo Madero | Central Time | 07:00 |
| Ciechanów Dombivli | India Standard Time | -03:30 |
| Ciechanów Maputo | Central Africa Time | 00:00 |
| Ciechanów Fuzhou | China Time | -06:00 |
| Ciechanów Rajkot | India Standard Time | -03:30 |
| Ciechanów Rosario | Argentina Time | 05:00 |
| Ciechanów Guiyang | China Time | -06:00 |