| Kielce Tofield | Mountain Time | 08:00 |
| Kielce Tobruk | Eastern European Time | 00:00 |
| Kielce Zuidhorn | Central European Time | 00:00 |
| Kielce Zuidoostbeemster | Central European Time | 00:00 |
| Kielce Zugliano | Central European Time | 00:00 |
| Kielce Zoutelande | Central European Time | 00:00 |
| Kielce Wyomissing | Eastern Time | 06:00 |
| Kielce Wyong | 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 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 Xalapa | Central Time | 07:00 |
| Kielce Xalapa Enríquez | Central Time | 07:00 |
| Kielce Xalisco | Mexican Pacific Time | 08:00 |
| Kielce Xaxim | Brasilia Time | 05:00 |
| Kielce Wrightsville | Eastern Time | 06:00 |
| Kielce Wrightsville Beach | Eastern Time | 06:00 |
| Kielce Worrigee | Eastern Australia Time | -08:00 |
| Kielce Wörrstadt | Central European Time | 00:00 |
| Kielce Woy Woy | Eastern Australia Time | -08:00 |
| Kielce Woodinville | Pacific Time | 09:00 |
| Kielce Walchwil | Central European Time | 00:00 |
| Kielce Woodend | Eastern Australia Time | -08:00 |
| Kielce Woodfin | Eastern Time | 06:00 |
| Kielce Woodford | Eastern Australia Time | -08:00 |
| Kielce Woods Cross | Mountain Time | 08:00 |
| 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 Zürs | Central European Time | 00:00 |
| Kielce Zwingenberg | Central European Time | 00:00 |
| Kielce Zweisimmen | Central European Time | 00:00 |
| Kielce Zwiefalten | Central European Time | 00:00 |