| Gebze Boksburg | South Africa Standard Time | 01:00 |
| Gebze Cagayan de Oro | Philippine Time | -05:00 |
| Gebze Omaha | Central Time | 08:00 |
| Gebze Matsuyama | Japan Time | -06:00 |
| Gebze San Nicolás de los Garza | Central Time | 08:00 |
| Gebze Amagasaki | Japan Time | -06:00 |
| Gebze Carrefour | Eastern Time | 07:00 |
| Gebze Shyamnagar | India Standard Time | -02:30 |
| Gebze Dasmariñas | Philippine Time | -05:00 |
| Gebze Malatya | Turkey Time | 00:00 |
| Gebze Miami | Eastern Time | 07:00 |
| Gebze Nangi | India Standard Time | -02:30 |
| Gebze Pereira | Colombia Time | 08:00 |
| Gebze Kozhikode | India Standard Time | -02:30 |
| Gebze Mawlamyine | Myanmar Time | -03:30 |
| Gebze Iquitos | Peru Time | 08:00 |
| Gebze Kurashiki | Japan Time | -06:00 |
| Gebze Sultangazi | Turkey Time | 00:00 |
| Gebze Garoua | West Africa Time | 02:00 |
| Gebze Murcia | Central European Time | 01:00 |
| Gebze Mwanza | East Africa Time | 00:00 |
| Gebze Uyo | West Africa Time | 02:00 |
| Gebze Bei’an | China Time | -05:00 |
| Gebze Kousseri | West Africa Time | 02:00 |
| Gebze Malegaon | India Standard Time | -02:30 |
| Gebze Kaliningrad | Kaliningrad Time | 01:00 |
| Gebze Karbala | Arabian Time | 00:00 |
| Gebze Ananindeua | Brasilia Time | 06:00 |
| Gebze Balikpapan | Central Indonesia Time | -05:00 |
| Gebze Brampton | Eastern Time | 07:00 |
| Gebze Toulouse | Central European Time | 01:00 |
| Gebze Tel Aviv-Yafo | Israel Time | 00:00 |
| Gebze Namangan | Uzbekistan Time | -02:00 |
| Gebze Katsina | West Africa Time | 02:00 |
| Gebze Welkom | South Africa Standard Time | 01:00 |
| Gebze Santa Marta | Colombia Time | 08:00 |
| Gebze Al Mahallah Al Kubra | Eastern European Time | 01:00 |
| Gebze Jalgaon | India Standard Time | -02:30 |
| Gebze Yokosuka | Japan Time | -06:00 |
| Gebze Akola | India Standard Time | -02:30 |
| Gebze Belgaum | India Standard Time | -02:30 |
| Gebze East Jerusalem | Eastern European Time | 00:00 |
| Gebze Luqiao | China Time | -05:00 |
| Gebze Bryansk | Moscow Time | 00:00 |
| Gebze Maltepe | Turkey Time | 00:00 |
| Gebze Azcapotzalco | Central Time | 08:00 |
| Gebze Jalapa | Central Time | 08:00 |
| Gebze Barcelona | Venezuela Time | 07:00 |
| Gebze Chaozhou | China Time | -05:00 |
| Gebze Ado Ekiti | West Africa Time | 02:00 |