| Gebze Stafford Township | Eastern Time | 07:00 |
| Gebze Carvoeiro | Western European Time | 02:00 |
| Gebze Rengit | Malaysia Time | -05:00 |
| Gebze South Molton | United Kingdom Time | 02:00 |
| Gebze Staines-upon-Thames | United Kingdom Time | 02:00 |
| Gebze West Lorne | Eastern Time | 07:00 |
| Gebze Renwick | New Zealand Time | -09:00 |
| Gebze South Padre Island | Central Time | 08:00 |
| Gebze Standish | United Kingdom Time | 02:00 |
| Gebze Casaletto Ceredano | Central European Time | 01:00 |
| Gebze Saint-Émilion | Central European Time | 01:00 |
| Gebze South Park Township | Eastern Time | 07:00 |
| Gebze Stanford | Pacific Time | 10:00 |
| Gebze West Mackay | Eastern Australia Time | -07:00 |
| Gebze Saint Francis | Central Time | 08:00 |
| Gebze South Jakarta | Western Indonesia Time | -04:00 |
| Gebze Sisters | Pacific Time | 10:00 |
| Gebze Casale Marittimo | Central European Time | 01:00 |
| Gebze Saint Georg | Central European Time | 01:00 |
| Gebze South Lancaster | Eastern Time | 07:00 |
| Gebze Siruseri | India Standard Time | -02:30 |
| Gebze West Park | Eastern Time | 07:00 |
| Gebze Saint Davids | United Kingdom Time | 02:00 |
| Gebze South Lismore | Eastern Australia Time | -07:00 |
| Gebze Sirumalai | India Standard Time | -02:30 |
| Gebze Caselle Torinese | Central European Time | 01:00 |
| Gebze Saint-Denis-de-l'Hôtel | Central European Time | 01:00 |
| Gebze South Melbourne | Eastern Australia Time | -07:00 |
| Gebze Siruganur | India Standard Time | -02:30 |
| Gebze West Perth | Western Australia Time | -05:00 |
| Gebze Saint Helena | Pacific Time | 10:00 |
| Gebze South Miami | Eastern Time | 07:00 |
| Gebze Sirkeci | Turkey Time | 00:00 |
| Gebze Caslano | Central European Time | 01:00 |
| Gebze Saint-Hubert | Central European Time | 01:00 |
| Gebze South Hill | Eastern Time | 07:00 |
| Gebze Sirmione | Central European Time | 01:00 |
| Gebze West Point | Eastern Time | 07:00 |
| Gebze Saint Ives | United Kingdom Time | 02:00 |
| Gebze South Hobart | Eastern Australia Time | -07:00 |
| Gebze Stephenville | Newfoundland Time | 05:30 |
| Gebze Casillas | Central European Time | 01:00 |
| Gebze Saint James | Western Australia Time | -05:00 |
| Gebze South Kilvington | United Kingdom Time | 02:00 |
| Gebze Sternatia | Central European Time | 01:00 |
| Gebze West Portsmouth | Eastern Time | 07:00 |
| Gebze Saint James City | Eastern Time | 07:00 |
| Gebze South Kingstown | Eastern Time | 07:00 |
| Gebze Steelville | Central Time | 08:00 |
| Gebze Cassà de la Selva | Central European Time | 01:00 |