| Kielce Waltenhofen | Central European Time | 00:00 |
| Kielce Wallisellen | Central European Time | 00:00 |
| Kielce Walled Lake | Eastern Time | 06:00 |
| Kielce Waldkirchen | Central European Time | 00:00 |
| Kielce Walenstadt | Central European Time | 00:00 |
| Kielce Waliv | India Standard Time | -03:30 |
| Kielce Wareham | Eastern Time | 06:00 |
| Kielce Wappingers Falls | Eastern Time | 06:00 |
| Kielce Warana | Eastern Australia Time | -08:00 |
| Kielce Warburton | Eastern Australia Time | -08:00 |
| Kielce Woods Cross | Mountain Time | 08:00 |
| Kielce Warner | Eastern Time | 06:00 |
| Kielce Woodinville | Pacific Time | 09:00 |
| Kielce Woodend | Eastern Australia Time | -08:00 |
| Kielce Woodfin | Eastern Time | 06:00 |
| Kielce Woodford | Eastern Australia Time | -08:00 |
| Kielce Wrightsville | Eastern Time | 06:00 |
| Kielce Wrightsville Beach | Eastern Time | 06:00 |
| Kielce Woody Point | Eastern Australia Time | -08:00 |
| Kielce Woolloongabba | Eastern Australia Time | -08:00 |
| Kielce Worb | Central European Time | 00:00 |
| Kielce Workum | Central European Time | 00:00 |
| Kielce Worrigee | Eastern Australia Time | -08:00 |
| Kielce Wörrstadt | Central European Time | 00:00 |
| Kielce Woy Woy | Eastern Australia Time | -08:00 |
| Kielce Wynn Vale | Central Australia Time | -07:30 |
| Kielce Wynnewood | Eastern Time | 06:00 |
| Kielce Wynyard | Eastern Australia Time | -08:00 |
| Kielce Wyomissing | Eastern Time | 06:00 |
| Kielce Wyong | Eastern Australia Time | -08:00 |
| Kielce Wythall | United Kingdom Time | 01:00 |
| Kielce Wytheville | Eastern Time | 06:00 |
| Kielce Xaafuun | East Africa Time | -01:00 |
| Kielce Xàbia | Central European Time | 00:00 |
| Kielce Xaxim | Brasilia Time | 05:00 |
| Kielce Xalapa | Central Time | 07:00 |
| Kielce Xalapa Enríquez | Central Time | 07:00 |
| Kielce Xalisco | Mexican Pacific Time | 08:00 |