| Gebze Goiânia | Brasilia Time | 06:00 |
| Gebze Guarulhos | Brasilia Time | 06:00 |
| Gebze Prague | Central European Time | 01:00 |
| Gebze Varanasi | India Standard Time | -02:30 |
| Gebze Copenhagen | Central European Time | 01:00 |
| Gebze Sofia | Eastern European Time | 00:00 |
| Gebze Tripoli | Eastern European Time | 01:00 |
| Gebze Port Harcourt | West Africa Time | 02:00 |
| Gebze Hiroshima | Japan Time | -06:00 |
| Gebze Lijiang | China Time | -05:00 |
| Gebze Dubai | Gulf Standard Time | -01:00 |
| Gebze Samara | Samara Time | -01:00 |
| Gebze Omsk | Omsk Time | -03:00 |
| Gebze Benin City | West Africa Time | 02:00 |
| Gebze Monterrey | Central Time | 08:00 |
| Gebze Malingao | Philippine Time | -05:00 |
| Gebze Baku | Azerbaijan Time | -01:00 |
| Gebze Leon | Central Time | 08:00 |
| Gebze Maiduguri | West Africa Time | 02:00 |
| Gebze Kazan | Moscow Time | 00:00 |
| Gebze Yerevan | Armenia Time | -01:00 |
| Gebze Amritsar | India Standard Time | -02:30 |
| Gebze Ouagadougou | Greenwich Mean Time | 03:00 |
| Gebze Yono | Japan Time | -06:00 |
| Gebze Rostov-on-Don | Moscow Time | 00:00 |
| Gebze Allahabad | India Standard Time | -02:30 |
| Gebze Goyang-si | Korean Time | -06:00 |
| Gebze Gaziantep | Turkey Time | 00:00 |
| Gebze Visakhapatnam | India Standard Time | -02:30 |
| Gebze Sendai | Japan Time | -06:00 |
| Gebze Chelyabinsk | Yekaterinburg Time | -02:00 |
| Gebze Datong | China Time | -05:00 |
| Gebze Tbilisi | Georgia Time | -01:00 |
| Gebze Changshu City | China Time | -05:00 |
| Gebze Taichung | Taipei Time | -05:00 |
| Gebze Theni | India Standard Time | -02:30 |
| Gebze Xianyang | China Time | -05:00 |
| Gebze Ufa | Yekaterinburg Time | -02:00 |
| Gebze Dnepropetrovsk | Eastern European Time | 00:00 |
| Gebze Seongnam-si | Korean Time | -06:00 |
| Gebze Campinas | Brasilia Time | 06:00 |
| Gebze Jabalpur | India Standard Time | -02:30 |
| Gebze Howrah | India Standard Time | -02:30 |
| Gebze Huainan | China Time | -05:00 |
| Gebze San Jose | Pacific Time | 10:00 |
| Gebze Donetsk | Eastern European Time | 00:00 |
| Gebze Dublin | Ireland Time | 02:00 |
| Gebze Calgary | Mountain Time | 09:00 |
| Gebze Brussels | Central European Time | 01:00 |
| Gebze Aurangabad | India Standard Time | -02:30 |