| Gebze Nukus | Uzbekistan Time | -02:00 |
| Gebze Helwan | Eastern European Time | 01:00 |
| Gebze Milton Keynes | United Kingdom Time | 02:00 |
| Gebze Magdeburg | Central European Time | 01:00 |
| Gebze Nawabshah | Pakistan Time | -02:00 |
| Gebze Tripoli | Eastern European Time | 00:00 |
| Gebze Bharatpur | India Standard Time | -02:30 |
| Gebze Longueuil | Eastern Time | 07:00 |
| Gebze Atsugi | Japan Time | -06:00 |
| Gebze Croix-des-Bouquets | Eastern Time | 07:00 |
| Gebze Magdalena Contreras | Central Time | 08:00 |
| Gebze Uitenhage | South Africa Standard Time | 01:00 |
| Gebze Ploiești | Eastern European Time | 00:00 |
| Gebze Sungai Petani | Malaysia Time | -05:00 |
| Gebze Binjai | Western Indonesia Time | -04:00 |
| Gebze Lucena | Philippine Time | -05:00 |
| Gebze Ipatinga | Brasilia Time | 06:00 |
| Gebze Karimnagar | India Standard Time | -02:30 |
| Gebze Baton Rouge | Central Time | 08:00 |
| Gebze Gómez Palacio | Central Time | 08:00 |
| Gebze Rach Gia | Indochina Time | -04:00 |
| Gebze Lille | Central European Time | 01:00 |
| Gebze Miri | Malaysia Time | -05:00 |
| Gebze Ciudad Lineal | Central European Time | 01:00 |
| Gebze Bexley | United Kingdom Time | 02:00 |
| Gebze Sumaré | Brasilia Time | 06:00 |
| Gebze Damanhour | Eastern European Time | 01:00 |
| Gebze Nassau | Eastern Time | 07:00 |
| Gebze San Lorenzo | Paraguay Time | 07:00 |
| Gebze Iquique | Chile Time | 07:00 |
| Gebze Kremenchuk | Eastern European Time | 00:00 |
| Gebze Puducherry | India Standard Time | -02:30 |
| Gebze Sosnowiec | Central European Time | 01:00 |
| Gebze Diez de Octubre | Cuba Time | 07:00 |
| Gebze Minya | Eastern European Time | 01:00 |
| Gebze Stary Oskol | Moscow Time | 00:00 |
| Gebze Liaocheng | China Time | -05:00 |
| Gebze Gusau | West Africa Time | 02:00 |
| Gebze Neue Neustadt | Central European Time | 01:00 |
| Gebze Radom | Central European Time | 01:00 |
| Gebze Serampore | India Standard Time | -02:30 |
| Gebze Fendou | China Time | -05:00 |
| Gebze Sabzevar | Iran Time | -01:30 |
| Gebze Ajman | Gulf Standard Time | -01:00 |
| Gebze Huambo | West Africa Time | 02:00 |
| Gebze Grozny | Moscow Time | 00:00 |
| Gebze Geelong | Eastern Australia Time | -07:00 |
| Gebze Raichur | India Standard Time | -02:30 |
| Gebze Huanggang | China Time | -05:00 |
| Gebze Quthbullapur | India Standard Time | -02:30 |