| Ciechanów Zaporizhia | Eastern European Time | -01:00 |
| Ciechanów Marseille | Central European Time | 00:00 |
| Ciechanów Al Zarqa | Eastern European Time | -01:00 |
| Ciechanów Çankaya | Turkey Time | -01:00 |
| Ciechanów Boumerdas | Central European Time | 01:00 |
| Ciechanów Jalandhar | India Standard Time | -03:30 |
| Ciechanów Thiruvananthapuram | India Standard Time | -03:30 |
| Ciechanów Sakai | Japan Time | -07:00 |
| Ciechanów Anyang | China Time | -06:00 |
| Ciechanów San Miguel de Tucuman | Argentina Time | 05:00 |
| Ciechanów Cotonou | West Africa Time | 01:00 |
| Ciechanów Salem | India Standard Time | -03:30 |
| Ciechanów Tiruchirappalli | India Standard Time | -03:30 |
| Ciechanów Homs | Eastern European Time | -01:00 |
| Ciechanów Hohhot | China Time | -06:00 |
| Ciechanów Niamey | West Africa Time | 01:00 |
| Ciechanów Tainan City | Taipei Time | -06:00 |
| Ciechanów Shangyu | China Time | -06:00 |
| Ciechanów Łódź | Central European Time | 00:00 |
| Ciechanów Dammam | Arabian Time | -01:00 |
| Ciechanów Xining | China Time | -06:00 |
| Ciechanów Kahrīz | Iran Time | -02:30 |
| Ciechanów Kota | India Standard Time | -03:30 |
| Ciechanów Natal | Brasilia Time | 05:00 |
| Ciechanów Bhubaneshwar | India Standard Time | -03:30 |
| Ciechanów Qinhuangdao | China Time | -06:00 |
| Ciechanów Hengyang | China Time | -06:00 |
| Ciechanów Antalya | Turkey Time | -01:00 |
| Ciechanów Kraków | Central European Time | 00:00 |
| Ciechanów Aligarh | India Standard Time | -03:30 |
| Ciechanów Da Nang | Indochina Time | -05:00 |
| Ciechanów Pietermaritzburg | South Africa Standard Time | 00:00 |
| Ciechanów Lomé | Greenwich Mean Time | 02:00 |
| Ciechanów Trujillo | Peru Time | 07:00 |
| Ciechanów Malang | Western Indonesia Time | -05:00 |
| Ciechanów Ciudad Guayana | Venezuela Time | 06:00 |
| Ciechanów Bareilly | India Standard Time | -03:30 |
| Ciechanów Kigali | Central Africa Time | 00:00 |
| Ciechanów Teresina | Brasilia Time | 05:00 |
| Ciechanów Xinxiang | China Time | -06:00 |
| Ciechanów São Bernardo do Campo | Brasilia Time | 05:00 |
| Ciechanów Hegang | China Time | -06:00 |
| Ciechanów Rīga | Eastern European Time | -01:00 |
| Ciechanów Amsterdam | Central European Time | 00:00 |
| Ciechanów Oyo | West Africa Time | 01:00 |
| Ciechanów Quetta | Pakistan Time | -03:00 |
| Ciechanów Nottingham | United Kingdom Time | 01:00 |
| Ciechanów Campo Grande | Amazon Time | 06:00 |
| Ciechanów Ashgabat | Turkmenistan Time | -03:00 |
| Ciechanów Álvaro Obregón | Central Time | 07:00 |