| Gebze Hsinchu | Taipei Time | -05:00 |
| Gebze Jixi | China Time | -05:00 |
| Gebze Zanzibar | East Africa Time | 00:00 |
| Gebze Tulsa | Central Time | 08:00 |
| Gebze Taoyuan City | Taipei Time | -05:00 |
| Gebze Tonalá | Central Time | 08:00 |
| Gebze Kassala | Central Africa Time | 01:00 |
| Gebze Palma | Central European Time | 01:00 |
| Gebze Kitwe | Central Africa Time | 01:00 |
| Gebze Nasiriyah | Arabian Time | 00:00 |
| Gebze Tver | Moscow Time | 00:00 |
| Gebze West Jerusalem | Israel Time | 00:00 |
| Gebze Machida | Japan Time | -06:00 |
| Gebze Yangjiang | China Time | -05:00 |
| Gebze Khmelnytskyi | Eastern European Time | 00:00 |
| Gebze Gifu | Japan Time | -06:00 |
| Gebze Tiruppur | India Standard Time | -02:30 |
| Gebze Keelung | Taipei Time | -05:00 |
| Gebze El Hoceima | Western European Time | 02:00 |
| Gebze Manchester | United Kingdom Time | 02:00 |
| Gebze Surrey | Pacific Time | 10:00 |
| Gebze Vila Velha | Brasilia Time | 06:00 |
| Gebze Weifang | China Time | -05:00 |
| Gebze Fujisawa | Japan Time | -06:00 |
| Gebze Ndola | Central Africa Time | 01:00 |
| Gebze Kollam | India Standard Time | -02:30 |
| Gebze Serra | Brasilia Time | 06:00 |
| Gebze Samsun | Turkey Time | 00:00 |
| Gebze Tallinn | Eastern European Time | 00:00 |
| Gebze Bamenda | West Africa Time | 02:00 |
| Gebze El Obeid | Central Africa Time | 01:00 |
| Gebze Bello | Colombia Time | 08:00 |
| Gebze Xinpu | China Time | -05:00 |
| Gebze Sandakan | Malaysia Time | -05:00 |
| Gebze Buraydah | Arabian Time | 00:00 |
| Gebze Kandahar | Afghanistan Time | -01:30 |
| Gebze Diadema | Brasilia Time | 06:00 |
| Gebze Wichita | Central Time | 08:00 |
| Gebze New Orleans | Central Time | 08:00 |
| Gebze Comilla | Bangladesh Time | -03:00 |
| Gebze Samut Prakan | Indochina Time | -04:00 |
| Gebze Nampula | Central Africa Time | 01:00 |
| Gebze Arlington | Central Time | 08:00 |
| Gebze Cleveland | Eastern Time | 07:00 |
| Gebze Bissau | Greenwich Mean Time | 03:00 |
| Gebze Iloilo City | Philippine Time | -05:00 |
| Gebze Khamis Mushait | Arabian Time | 00:00 |
| Gebze Campos | Brasilia Time | 06:00 |
| Gebze Resistencia | Argentina Time | 06:00 |
| Gebze Misrata | Eastern European Time | 01:00 |