| Gebze Jammu | India Standard Time | -02:30 |
| Gebze Liaoyuan | China Time | -05:00 |
| Gebze Edinburgh | United Kingdom Time | 02:00 |
| Gebze Atlanta | Eastern Time | 07:00 |
| Gebze Kananga | Central Africa Time | 01:00 |
| Gebze Bloemfontein | South Africa Standard Time | 01:00 |
| Gebze Xiangyang | China Time | -05:00 |
| Gebze Gdańsk | Central European Time | 01:00 |
| Gebze Calabar | West Africa Time | 02:00 |
| Gebze Dadukou | China Time | -05:00 |
| Gebze Joinville | Brasilia Time | 06:00 |
| Gebze Hama | Eastern European Time | 00:00 |
| Gebze Antwerp | Central European Time | 01:00 |
| Gebze Kanazawa | Japan Time | -06:00 |
| Gebze Karabağlar | Turkey Time | 00:00 |
| Gebze Zamboanga | Philippine Time | -05:00 |
| Gebze Kirov | Kirov Time | 00:00 |
| Gebze Ujjain | India Standard Time | -02:30 |
| Gebze Kota Kinabalu | Malaysia Time | -05:00 |
| Gebze Durango | Central Time | 08:00 |
| Gebze Colorado Springs | Mountain Time | 09:00 |
| Gebze Niterói | Brasilia Time | 06:00 |
| Gebze Hengshui | China Time | -05:00 |
| Gebze Tabuk | Arabian Time | 00:00 |
| Gebze Pontianak | Western Indonesia Time | -04:00 |
| Gebze Leeds | United Kingdom Time | 02:00 |
| Gebze Namp’o | Pyongyang Time | -06:00 |
| Gebze Bacolod | Philippine Time | -05:00 |
| Gebze São João de Meriti | Brasilia Time | 06:00 |
| Gebze Mansilingan | Philippine Time | -05:00 |
| Gebze Virginia Beach | Eastern Time | 07:00 |
| Gebze Rāmgundam | India Standard Time | -02:30 |
| Gebze Luhansk | Eastern European Time | 00:00 |
| Gebze Manado | Central Indonesia Time | -05:00 |
| Gebze Karagandy | East Kazakhstan Time | -03:00 |
| Gebze Raleigh | Eastern Time | 07:00 |
| Gebze Jining | China Time | -05:00 |
| Gebze Constantine | Central European Time | 02:00 |
| Gebze Juba | East Africa Time | 01:00 |
| Gebze Wenshan | China Time | -05:00 |
| Gebze Muratpaşa | Turkey Time | 00:00 |
| Gebze Utsunomiya | Japan Time | -06:00 |
| Gebze Matamoros | Central Time | 08:00 |
| Gebze Urfa | Turkey Time | 00:00 |
| Gebze Chengde | China Time | -05:00 |
| Gebze Oita | Japan Time | -06:00 |
| Gebze Venustiano Carranza | Central Time | 08:00 |
| Gebze Cardiff | United Kingdom Time | 02:00 |
| Gebze San Juan | Argentina Time | 06:00 |
| Gebze Cheboksary | Moscow Time | 00:00 |