| Canton Landau | Central European Time | -06:00 |
| Canton Wallisellen | Central European Time | -06:00 |
| Canton Wildau | Central European Time | -06:00 |
| Canton Waliv | India Standard Time | -09:30 |
| Canton Wilder | Eastern Time | 00:00 |
| Canton Vashon | Pacific Time | 03:00 |
| Canton Wilderswil | Central European Time | -06:00 |
| Canton Waldkirchen | Central European Time | -06:00 |
| Canton Wildwood | Eastern Time | 00:00 |
| Canton Walenstadt | Central European Time | -06:00 |
| Canton Wiesbaden | Central European Time | -06:00 |
| Canton Zahara de los Atunes | Central European Time | -06:00 |
| Canton Wieselburg | Central European Time | -06:00 |
| Canton Yzeure | Central European Time | -06:00 |
| Canton Vilanova del Camí | Central European Time | -06:00 |
| Canton Yvoir | Central European Time | -06:00 |
| Canton Villa Giardino | Argentina Time | -01:00 |
| Canton Zachary | Central Time | 01:00 |
| Canton Whitney | Central Time | 01:00 |
| Canton Yunquera de Henares | Central European Time | -06:00 |
| Canton Wickham | United Kingdom Time | -05:00 |
| Canton Yuo | West Africa Time | -05:00 |
| Canton Wickham Bishops | United Kingdom Time | -05:00 |
| Canton Warburton | Eastern Australia Time | -14:00 |
| Canton Wicklow | Ireland Time | -05:00 |
| Canton Wareham | Eastern Time | 00:00 |
| Canton Widnau | Central European Time | -06:00 |
| Canton Wappingers Falls | Eastern Time | 00:00 |
| Canton Villa Nueva | Argentina Time | -01:00 |
| Canton Warana | Eastern Australia Time | -14:00 |
| Canton Zillah | Pacific Time | 03:00 |
| Canton Warner | Eastern Time | 00:00 |
| Canton Zirakpur | India Standard Time | -09:30 |
| Canton Zikhron Ya'akov | Israel Time | -07:00 |
| Canton Winchester | Eastern Time | 00:00 |
| Canton Zhongshan | China Time | -12:00 |
| Canton Zofingen | Central European Time | -06:00 |
| Canton Zollikerberg | Central European Time | -06:00 |