| Ciechanów Izhevsk | Samara Time | -02:00 |
| Ciechanów Jaboatão dos Guararapes | Brasilia Time | 05:00 |
| Ciechanów Shaoguan | China Time | -06:00 |
| Ciechanów Yancheng | China Time | -06:00 |
| Ciechanów Coyoacán | Central Time | 07:00 |
| Ciechanów Contagem | Brasilia Time | 05:00 |
| Ciechanów Santiago de Querétaro | Central Time | 07:00 |
| Ciechanów Bhilai | India Standard Time | -03:30 |
| Ciechanów Panshan | China Time | -06:00 |
| Ciechanów Djibouti | East Africa Time | -01:00 |
| Ciechanów Las Vegas | Pacific Time | 09:00 |
| Ciechanów Baltimore | Eastern Time | 06:00 |
| Ciechanów Saltillo | Central Time | 07:00 |
| Ciechanów Kermanshah | Iran Time | -02:30 |
| Ciechanów Ribeirão Preto | Brasilia Time | 05:00 |
| Ciechanów Al Hudaydah | Arabian Time | -01:00 |
| Ciechanów Pasig | Philippine Time | -06:00 |
| Ciechanów Bristol | United Kingdom Time | 01:00 |
| Ciechanów Jamshedpur | India Standard Time | -03:30 |
| Ciechanów Haikou | China Time | -06:00 |
| Ciechanów Ta‘izz | Arabian Time | -01:00 |
| Ciechanów São José dos Campos | Brasilia Time | 05:00 |
| Ciechanów Taizhou | China Time | -06:00 |
| Ciechanów Xingtai | China Time | -06:00 |
| Ciechanów Borivali | India Standard Time | -03:30 |
| Ciechanów Tlalpan | Central Time | 07:00 |
| Ciechanów Yaroslavl | Moscow Time | -01:00 |
| Ciechanów Benoni | South Africa Standard Time | 00:00 |
| Ciechanów Hamamatsu | Japan Time | -07:00 |
| Ciechanów Kochi | India Standard Time | -03:30 |
| Ciechanów Jinzhou | China Time | -06:00 |
| Ciechanów Amravati | India Standard Time | -03:30 |
| Ciechanów Abu Dhabi | Gulf Standard Time | -02:00 |
| Ciechanów Hai Phong | Indochina Time | -05:00 |
| Ciechanów Islamabad | Pakistan Time | -03:00 |
| Ciechanów Kirkuk | Arabian Time | -01:00 |
| Ciechanów Sangli | India Standard Time | -03:30 |
| Ciechanów Milwaukee | Central Time | 07:00 |
| Ciechanów Vancouver | Pacific Time | 09:00 |
| Ciechanów Scarborough | Eastern Time | 06:00 |
| Ciechanów Situbondo | Western Indonesia Time | -05:00 |
| Ciechanów Shuangyashan | China Time | -06:00 |
| Ciechanów Barnaul | Barnaul Time | -05:00 |
| Ciechanów Rotterdam | Central European Time | 00:00 |
| Ciechanów Luancheng | China Time | -06:00 |
| Ciechanów Mexicali | Pacific Time | 09:00 |
| Ciechanów Hermosillo | Mexican Pacific Time | 09:00 |
| Ciechanów Rasht | Iran Time | -02:30 |
| Ciechanów Abeokuta | West Africa Time | 01:00 |
| Ciechanów Essen | Central European Time | 00:00 |