| Gaziantep Willits | Pacific Time | 10:00 |
| Gaziantep Willoughby | Eastern Australia Time | -07:00 |
| Gaziantep Willaston | United Kingdom Time | 02:00 |
| Gaziantep Wilkesboro | Eastern Time | 07:00 |
| Gaziantep Williams | Mountain Time | 10:00 |
| Gaziantep Williamsburg | Eastern Time | 07:00 |
| Gaziantep Wilkau-Haßlau | Central European Time | 01:00 |
| Gaziantep Wildwood | Eastern Time | 07:00 |
| Gaziantep Virton | Central European Time | 01:00 |
| Gaziantep Virginia | Central Time | 08:00 |
| Gaziantep Whitney | Central Time | 08:00 |
| Gaziantep Wickham | United Kingdom Time | 02:00 |
| Gaziantep Wickham Bishops | United Kingdom Time | 02:00 |
| Gaziantep Wicklow | Ireland Time | 02:00 |
| Gaziantep Widnau | Central European Time | 01:00 |
| Gaziantep Wilbraham | Eastern Time | 07:00 |
| Gaziantep Wildau | Central European Time | 01:00 |
| Gaziantep Wilder | Eastern Time | 07:00 |
| Gaziantep Wilderswil | Central European Time | 01:00 |
| Gaziantep Wiesbaden | Central European Time | 01:00 |
| Gaziantep Wieselburg | Central European Time | 01:00 |
| Gaziantep Wilmington | Eastern Time | 07:00 |
| Gaziantep Willows | Pacific Time | 10:00 |
| Gaziantep Willunga | Central Australia Time | -06:30 |
| Gaziantep Wilton Manors | Eastern Time | 07:00 |
| Gaziantep Wiltz | Central European Time | 01:00 |
| Gaziantep Winchcombe | United Kingdom Time | 02:00 |
| Gaziantep Winchester | Eastern Time | 07:00 |
| Gaziantep Windcrest | Central Time | 08:00 |
| Gaziantep Windeck | Central European Time | 01:00 |
| Gaziantep Winder | Eastern Time | 07:00 |
| Gaziantep Windham | Eastern Time | 07:00 |
| Gaziantep Zhongshan | China Time | -05:00 |
| Gaziantep Zillah | Pacific Time | 10:00 |
| Gaziantep Zikhron Ya'akov | Israel Time | 00:00 |
| Gaziantep Zirakpur | India Standard Time | -02:30 |
| Gaziantep Zollikerberg | Central European Time | 01:00 |
| Gaziantep Zofingen | Central European Time | 01:00 |