| Grudziądz Guayaquil | Ecuador Time | 07:00 |
| Grudziądz Ordos | China Time | -06:00 |
| Grudziądz Sana'a | Arabian Time | -01:00 |
| Grudziądz Beirut | Eastern European Time | -01:00 |
| Grudziądz Perth | Western Australia Time | -06:00 |
| Grudziądz Sapporo | Japan Time | -07:00 |
| Grudziądz Jilin | China Time | -06:00 |
| Grudziądz Bucharest | Eastern European Time | -01:00 |
| Grudziądz Camayenne | Greenwich Mean Time | 02:00 |
| Grudziądz Indore | India Standard Time | -03:30 |
| Grudziądz Iztapalapa | Central Time | 07:00 |
| Grudziądz Ecatepec | Central Time | 07:00 |
| Grudziądz Conakry | Greenwich Mean Time | 02:00 |
| Grudziądz Maracay | Venezuela Time | 06:00 |
| Grudziądz Medan | Western Indonesia Time | -05:00 |
| Grudziądz Rawalpindi | Pakistan Time | -03:00 |
| Grudziądz Minsk | Moscow Time | -01:00 |
| Grudziądz Budapest | Central European Time | 00:00 |
| Grudziądz Mosul | Arabian Time | -01:00 |
| Grudziądz Hamburg | Central European Time | 00:00 |
| Grudziądz Curitiba | Brasilia Time | 05:00 |
| Grudziądz Warsaw | Central European Time | 00:00 |
| Grudziądz Bandung | Western Indonesia Time | -05:00 |
| Grudziądz Soweto | South Africa Standard Time | 00:00 |
| Grudziądz Vienna | Central European Time | 00:00 |
| Grudziądz Rabat | Western European Time | 01:00 |
| Grudziądz Guadalajara | Central Time | 07:00 |
| Grudziądz Barcelona | Central European Time | 00:00 |
| Grudziądz Pretoria | South Africa Standard Time | 00:00 |
| Grudziądz Aleppo | Eastern European Time | -01:00 |
| Grudziądz Manila | Philippine Time | -06:00 |
| Grudziądz Kunshan | China Time | -06:00 |
| Grudziądz Montreal | Eastern Time | 06:00 |
| Grudziądz Patna | India Standard Time | -03:30 |
| Grudziądz Bhopal | India Standard Time | -03:30 |
| Grudziądz Manaus | Amazon Time | 06:00 |
| Grudziądz Xinyang | China Time | -06:00 |
| Grudziądz Puebla | Central Time | 07:00 |
| Grudziądz Kaduna | West Africa Time | 01:00 |
| Grudziądz Phnom Penh | Indochina Time | -05:00 |
| Grudziądz Damascus | Eastern European Time | -01:00 |
| Grudziądz Philadelphia | Eastern Time | 06:00 |
| Grudziądz Phoenix | Mountain Time | 09:00 |
| Grudziądz Isfahan | Iran Time | -02:30 |
| Grudziądz Ludhiana | India Standard Time | -03:30 |
| Grudziądz Harare | Central Africa Time | 00:00 |
| Grudziądz Kobe | Japan Time | -07:00 |
| Grudziądz Bekasi | Western Indonesia Time | -05:00 |
| Grudziądz Kaohsiung | Taipei Time | -06:00 |
| Grudziądz Stockholm | Central European Time | 00:00 |