| Ciechanów Siping | China Time | -06:00 |
| Ciechanów Kagoshima | Japan Time | -07:00 |
| Ciechanów Surakarta | Western Indonesia Time | -05:00 |
| Ciechanów Huai'an | China Time | -06:00 |
| Ciechanów Bhavnagar | India Standard Time | -03:30 |
| Ciechanów Mar del Plata | Argentina Time | 05:00 |
| Ciechanów Bahawalpur | Pakistan Time | -03:00 |
| Ciechanów Zāhedān | Iran Time | -02:30 |
| Ciechanów Aden | Arabian Time | -01:00 |
| Ciechanów Nanded | India Standard Time | -03:30 |
| Ciechanów Orenburg | Yekaterinburg Time | -03:00 |
| Ciechanów Pristina | Central European Time | 00:00 |
| Ciechanów Changwon | Korean Time | -07:00 |
| Ciechanów Jiamusi | China Time | -06:00 |
| Ciechanów Antipolo | Philippine Time | -06:00 |
| Ciechanów Neijiang | China Time | -06:00 |
| Ciechanów Bremen | Central European Time | 00:00 |
| Ciechanów Meknes | Western European Time | 01:00 |
| Ciechanów Sharjah | Gulf Standard Time | -02:00 |
| Ciechanów Banciao | Taipei Time | -06:00 |
| Ciechanów Sargodha | Pakistan Time | -03:00 |
| Ciechanów Bangui | West Africa Time | 01:00 |
| Ciechanów Vilnius | Eastern European Time | -01:00 |
| Ciechanów Cancún | Eastern Time | 07:00 |
| Ciechanów Yangzhou | China Time | -06:00 |
| Ciechanów Novokuznetsk | Novokuznetsk Time | -05:00 |
| Ciechanów Kisangani | Central Africa Time | 00:00 |
| Ciechanów Port Said | Eastern European Time | 00:00 |
| Ciechanów Mersin | Turkey Time | -01:00 |
| Ciechanów Warri | West Africa Time | 01:00 |
| Ciechanów Guli | China Time | -06:00 |
| Ciechanów Ebute Ikorodu | West Africa Time | 01:00 |
| Ciechanów Taku | China Time | -06:00 |
| Ciechanów Jiangmen | China Time | -06:00 |
| Ciechanów Tucson | Mountain Time | 09:00 |
| Ciechanów Nashville | Central Time | 07:00 |
| Ciechanów Taif | Arabian Time | -01:00 |
| Ciechanów Beira | Central Africa Time | 00:00 |
| Ciechanów Guntur | India Standard Time | -03:30 |
| Ciechanów Touba | Greenwich Mean Time | 02:00 |
| Ciechanów Quebec City | Eastern Time | 06:00 |
| Ciechanów Hamedan | Iran Time | -02:30 |
| Ciechanów Cangzhou | China Time | -06:00 |
| Ciechanów San Salvador | Central Time | 08:00 |
| Ciechanów Santa María Chimalhuacán | Central Time | 07:00 |
| Ciechanów Torreón | Central Time | 07:00 |
| Ciechanów Dehradun | India Standard Time | -03:30 |
| Ciechanów Cuiabá | Amazon Time | 06:00 |
| Ciechanów Cuauhtémoc | Central Time | 07:00 |
| Ciechanów Ciudad López Mateos | Central Time | 07:00 |