| Gebze Volgograd | Volgograd Time | 00:00 |
| Gebze Nova Iguaçu | Brasilia Time | 06:00 |
| Gebze Jieyang | China Time | -05:00 |
| Gebze Odessa | Eastern European Time | 00:00 |
| Gebze Shivaji Nagar | India Standard Time | -02:30 |
| Gebze Zhu Cheng City | China Time | -05:00 |
| Gebze Kitakyushu | Japan Time | -06:00 |
| Gebze Solapur | India Standard Time | -02:30 |
| Gebze Baoding | China Time | -05:00 |
| Gebze Guatemala City | Central Time | 09:00 |
| Gebze Benxi | China Time | -05:00 |
| Gebze Zapopan | Central Time | 08:00 |
| Gebze Birmingham | United Kingdom Time | 02:00 |
| Gebze Perm | Yekaterinburg Time | -02:00 |
| Gebze Srinagar | India Standard Time | -02:30 |
| Gebze Zaria | West Africa Time | 02:00 |
| Gebze Managua | Central Time | 09:00 |
| Gebze Port Elizabeth | South Africa Standard Time | 01:00 |
| Gebze Fes | Western European Time | 02:00 |
| Gebze Cologne | Central European Time | 01:00 |
| Gebze Ulsan | Korean Time | -06:00 |
| Gebze Chandigarh | India Standard Time | -02:30 |
| Gebze Coimbatore | India Standard Time | -02:30 |
| Gebze Naples | Central European Time | 01:00 |
| Gebze Maceió | Brasilia Time | 06:00 |
| Gebze Cartagena | Colombia Time | 08:00 |
| Gebze Changzhou | China Time | -05:00 |
| Gebze Sulţānah | Arabian Time | 00:00 |
| Gebze Monrovia | Greenwich Mean Time | 03:00 |
| Gebze Kingston | Eastern Time | 08:00 |
| Gebze Erbil | Arabian Time | 00:00 |
| Gebze Austin | Central Time | 08:00 |
| Gebze Krasnoyarsk | Krasnoyarsk Time | -04:00 |
| Gebze Naypyitaw | Myanmar Time | -03:30 |
| Gebze Jodhpur | India Standard Time | -02:30 |
| Gebze Chiba | Japan Time | -06:00 |
| Gebze São Luís | Brasilia Time | 06:00 |
| Gebze Madurai | India Standard Time | -02:30 |
| Gebze Sale | Western European Time | 02:00 |
| Gebze Huaibei | China Time | -05:00 |
| Gebze Cochabamba | Bolivia Time | 07:00 |
| Gebze Bishkek | Kyrgyzstan Time | -03:00 |
| Gebze Qom | Iran Time | -01:30 |
| Gebze Kaifeng | China Time | -05:00 |
| Gebze Abobo | Greenwich Mean Time | 03:00 |
| Gebze Abu Ghraib | Arabian Time | 00:00 |
| Gebze Guwahati | India Standard Time | -02:30 |
| Gebze Aba | West Africa Time | 02:00 |
| Gebze Pingdingshan | China Time | -05:00 |
| Gebze Gwalior | India Standard Time | -02:30 |