| Gebze San Salvador de Jujuy | Argentina Time | 06:00 |
| Gebze Brakpan | South Africa Standard Time | 01:00 |
| Gebze Stockton | Pacific Time | 10:00 |
| Gebze Mandaluyong | Philippine Time | -05:00 |
| Gebze Nizamabad | India Standard Time | -02:30 |
| Gebze Kulti | India Standard Time | -02:30 |
| Gebze Franca | Brasilia Time | 06:00 |
| Gebze Rajahmundry | India Standard Time | -02:30 |
| Gebze Pittsburgh | Eastern Time | 07:00 |
| Gebze Craiova | Eastern European Time | 00:00 |
| Gebze Constanța | Eastern European Time | 00:00 |
| Gebze Saransk | Moscow Time | 00:00 |
| Gebze Mazari Sharif | Afghanistan Time | -01:30 |
| Gebze Barddhamān | India Standard Time | -02:30 |
| Gebze Malmö | Central European Time | 01:00 |
| Gebze Gujrat | Pakistan Time | -02:00 |
| Gebze Naha | Japan Time | -06:00 |
| Gebze Brest | Moscow Time | 00:00 |
| Gebze Mardan | Pakistan Time | -02:00 |
| Gebze Surgut | Yekaterinburg Time | -02:00 |
| Gebze Swansea | United Kingdom Time | 02:00 |
| Gebze Kyzyl-Orda | East Kazakhstan Time | -03:00 |
| Gebze Batikent | Turkey Time | 00:00 |
| Gebze George Town | Malaysia Time | -05:00 |
| Gebze Mérida | Venezuela Time | 07:00 |
| Gebze Kyzylorda | East Kazakhstan Time | -02:00 |
| Gebze Malir Cantonment | Pakistan Time | -02:00 |
| Gebze Yangshuo | China Time | -05:00 |
| Gebze Angeles | Philippine Time | -05:00 |
| Gebze Bradford | United Kingdom Time | 02:00 |
| Gebze Santol | Philippine Time | -05:00 |
| Gebze Anchorage | Alaska Time | 11:00 |
| Gebze Kasugai | Japan Time | -06:00 |
| Gebze Jember | Western Indonesia Time | -04:00 |
| Gebze Aomori | Japan Time | -06:00 |
| Gebze Otsu | Japan Time | -06:00 |
| Gebze Bārāsat | India Standard Time | -02:30 |
| Gebze Elâzığ | Turkey Time | 00:00 |
| Gebze Okanagan | Pacific Time | 10:00 |
| Gebze Cherkasy | Eastern European Time | 00:00 |
| Gebze Vigo | Central European Time | 01:00 |
| Gebze Akashi | Japan Time | -06:00 |
| Gebze Bāli | India Standard Time | -02:30 |
| Gebze Cincinnati | Eastern Time | 07:00 |
| Gebze Hisar | India Standard Time | -02:30 |
| Gebze Rampur | India Standard Time | -02:30 |
| Gebze Yokkaichi | Japan Time | -06:00 |
| Gebze Yeosu-si | Korean Time | -06:00 |
| Gebze Southend-on-Sea | United Kingdom Time | 02:00 |
| Gebze Morioka | Japan Time | -06:00 |