| Gebze Wieselburg | Central European Time | 01:00 |
| Gebze Aoulouz | Western European Time | 02:00 |
| Gebze Wildwood | Eastern Time | 07:00 |
| Gebze Aougrout | Central European Time | 02:00 |
| Gebze Zephyr | Eastern Time | 07:00 |
| Gebze Anzola dell'Emilia | Central European Time | 01:00 |
| Gebze Zephyrhills | Eastern Time | 07:00 |
| Gebze Ao Nang | Indochina Time | -04:00 |
| Gebze Zermatt | Central European Time | 01:00 |
| Gebze Aoba Ward | Japan Time | -06:00 |
| Gebze Zero Branco | Central European Time | 01:00 |
| Gebze Aoi Ward | Japan Time | -06:00 |
| Gebze Zeven | Central European Time | 01:00 |
| Gebze Anzegem | Central European Time | 01:00 |
| Gebze Zanzibar Town | East Africa Time | 00:00 |
| Gebze Anzegem | Central European Time | 01:00 |
| Gebze Vilanova del Camí | Central European Time | 01:00 |
| Gebze Vila Nova de Famalicão | Western European Time | 02:00 |
| Gebze Vila Flores | Brasilia Time | 06:00 |
| Gebze Vijapadi | India Standard Time | -02:30 |
| Gebze Vieques | Atlantic Time | 07:00 |
| Gebze Vieux-Mareuil | Central European Time | 01:00 |
| Gebze Tuaran | Malaysia Time | -05:00 |
| Gebze Tuart Hill | Western Australia Time | -05:00 |
| Gebze Tubac | Mountain Time | 10:00 |
| Gebze Vidor | Central Time | 08:00 |
| Gebze Tsukuba | Japan Time | -06:00 |
| Gebze Whitney | Central Time | 08:00 |
| Gebze Villa Nueva | Argentina Time | 06:00 |
| Gebze Wilbraham | Eastern Time | 07:00 |
| Gebze Wildau | Central European Time | 01:00 |
| Gebze Wilder | Eastern Time | 07:00 |
| Gebze Wilderswil | Central European Time | 01:00 |
| Gebze Wickham | United Kingdom Time | 02:00 |
| Gebze Wickham Bishops | United Kingdom Time | 02:00 |
| Gebze Wicklow | Ireland Time | 02:00 |
| Gebze Widnau | Central European Time | 01:00 |
| Gebze Villa Giardino | Argentina Time | 06:00 |