| Gebze Ciudad Juarez | Mountain Time | 09:00 |
| Gebze Manhattan | Eastern Time | 07:00 |
| Gebze Asuncion | Paraguay Time | 07:00 |
| Gebze Recife | Brasilia Time | 06:00 |
| Gebze Daejeon | Korean Time | -06:00 |
| Gebze San Antonio | Central Time | 08:00 |
| Gebze Kumasi | Greenwich Mean Time | 03:00 |
| Gebze Kota Bharu | Malaysia Time | -05:00 |
| Gebze Kyoto | Japan Time | -06:00 |
| Gebze Kuala Lumpur | Malaysia Time | -05:00 |
| Gebze Karaj | Iran Time | -01:30 |
| Gebze Kathmandu | Nepal Time | -02:45 |
| Gebze Palembang | Western Indonesia Time | -04:00 |
| Gebze Multan | Pakistan Time | -02:00 |
| Gebze Tirunelveli | India Standard Time | -02:30 |
| Gebze Hanoi | Indochina Time | -04:00 |
| Gebze Kharkiv | Eastern European Time | 00:00 |
| Gebze Agra | India Standard Time | -02:30 |
| Gebze Córdoba | Argentina Time | 06:00 |
| Gebze Tabriz | Iran Time | -01:30 |
| Gebze Novosibirsk | Novosibirsk Time | -04:00 |
| Gebze Gwangju | Korean Time | -06:00 |
| Gebze Bursa | Turkey Time | 00:00 |
| Gebze Vadodara | India Standard Time | -02:30 |
| Gebze Belém | Brasilia Time | 06:00 |
| Gebze Fushun | China Time | -05:00 |
| Gebze Quito | Ecuador Time | 08:00 |
| Gebze San Diego | Pacific Time | 10:00 |
| Gebze Fukuoka | Japan Time | -06:00 |
| Gebze Antananarivo | East Africa Time | 00:00 |
| Gebze Luoyang | China Time | -05:00 |
| Gebze Hyderabad | Pakistan Time | -02:00 |
| Gebze Borough of Bronx | Eastern Time | 07:00 |
| Gebze Valencia | Venezuela Time | 07:00 |
| Gebze Gujranwala | Pakistan Time | -02:00 |
| Gebze Barranquilla | Colombia Time | 08:00 |
| Gebze Guankou | China Time | -05:00 |
| Gebze Tijuana | Pacific Time | 10:00 |
| Gebze Lubumbashi | Central Africa Time | 01:00 |
| Gebze Porto Alegre | Brasilia Time | 06:00 |
| Gebze Tangerang | Western Indonesia Time | -04:00 |
| Gebze Santa Cruz | Bolivia Time | 07:00 |
| Gebze Handan | China Time | -05:00 |
| Gebze Kampala | East Africa Time | 00:00 |
| Gebze Yekaterinburg | Yekaterinburg Time | -02:00 |
| Gebze Khulna | Bangladesh Time | -03:00 |
| Gebze Douala | West Africa Time | 02:00 |
| Gebze Gorakhpur | India Standard Time | -02:30 |
| Gebze Mecca | Arabian Time | 00:00 |
| Gebze Makassar | Central Indonesia Time | -05:00 |