| Gebze Guayaquil | Ecuador Time | 08:00 |
| Gebze Ordos | China Time | -05:00 |
| Gebze Sana'a | Arabian Time | 00:00 |
| Gebze Beirut | Eastern European Time | 00:00 |
| Gebze Perth | Western Australia Time | -05:00 |
| Gebze Sapporo | Japan Time | -06:00 |
| Gebze Jilin | China Time | -05:00 |
| Gebze Bucharest | Eastern European Time | 00:00 |
| Gebze Camayenne | Greenwich Mean Time | 03:00 |
| Gebze Indore | India Standard Time | -02:30 |
| Gebze Iztapalapa | Central Time | 08:00 |
| Gebze Ecatepec | Central Time | 08:00 |
| Gebze Conakry | Greenwich Mean Time | 03:00 |
| Gebze Maracay | Venezuela Time | 07:00 |
| Gebze Medan | Western Indonesia Time | -04:00 |
| Gebze Rawalpindi | Pakistan Time | -02:00 |
| Gebze Minsk | Moscow Time | 00:00 |
| Gebze Budapest | Central European Time | 01:00 |
| Gebze Mosul | Arabian Time | 00:00 |
| Gebze Hamburg | Central European Time | 01:00 |
| Gebze Curitiba | Brasilia Time | 06:00 |
| Gebze Warsaw | Central European Time | 01:00 |
| Gebze Bandung | Western Indonesia Time | -04:00 |
| Gebze Soweto | South Africa Standard Time | 01:00 |
| Gebze Vienna | Central European Time | 01:00 |
| Gebze Rabat | Western European Time | 02:00 |
| Gebze Guadalajara | Central Time | 08:00 |
| Gebze Barcelona | Central European Time | 01:00 |
| Gebze Pretoria | South Africa Standard Time | 01:00 |
| Gebze Aleppo | Eastern European Time | 00:00 |
| Gebze Kunshan | China Time | -05:00 |
| Gebze Manila | Philippine Time | -05:00 |
| Gebze Montreal | Eastern Time | 07:00 |
| Gebze Patna | India Standard Time | -02:30 |
| Gebze Bhopal | India Standard Time | -02:30 |
| Gebze Manaus | Amazon Time | 07:00 |
| Gebze Xinyang | China Time | -05:00 |
| Gebze Puebla | Central Time | 08:00 |
| Gebze Kaduna | West Africa Time | 02:00 |
| Gebze Phnom Penh | Indochina Time | -04:00 |
| Gebze Damascus | Eastern European Time | 00:00 |
| Gebze Philadelphia | Eastern Time | 07:00 |
| Gebze Phoenix | Mountain Time | 10:00 |
| Gebze Isfahan | Iran Time | -01:30 |
| Gebze Ludhiana | India Standard Time | -02:30 |
| Gebze Harare | Central Africa Time | 01:00 |
| Gebze Kobe | Japan Time | -06:00 |
| Gebze Bekasi | Western Indonesia Time | -04:00 |
| Gebze Kaohsiung | Taipei Time | -05:00 |
| Gebze Stockholm | Central European Time | 01:00 |