| Mechanicsburg Wattwil | Central European Time | -06:00 |
| Mechanicsburg Waupaca | Central Time | 01:00 |
| Mechanicsburg Wauchope | Eastern Australia Time | -14:00 |
| Mechanicsburg Woods Cross | Mountain Time | 02:00 |
| Mechanicsburg Woodinville | Pacific Time | 03:00 |
| Mechanicsburg Woodend | Eastern Australia Time | -14:00 |
| Mechanicsburg Woodfin | Eastern Time | 00:00 |
| Mechanicsburg Woodford | Eastern Australia Time | -14:00 |
| Mechanicsburg Woy Woy | Eastern Australia Time | -14:00 |
| Mechanicsburg Workum | Central European Time | -06:00 |
| Mechanicsburg Worrigee | Eastern Australia Time | -14:00 |
| Mechanicsburg Wörrstadt | Central European Time | -06:00 |
| Mechanicsburg Worb | Central European Time | -06:00 |
| Mechanicsburg Woody Point | Eastern Australia Time | -14:00 |
| Mechanicsburg Woolloongabba | Eastern Australia Time | -14:00 |
| Mechanicsburg Zuidhorn | Central European Time | -06:00 |
| Mechanicsburg Zuidoostbeemster | Central European Time | -06:00 |
| Mechanicsburg Zugliano | Central European Time | -06:00 |
| Mechanicsburg Zweisimmen | Central European Time | -06:00 |
| Mechanicsburg Zürs | Central European Time | -06:00 |
| Mechanicsburg Zwingenberg | Central European Time | -06:00 |
| Mechanicsburg Zwiefalten | Central European Time | -06:00 |
| Mechanicsburg Wynn Vale | Central Australia Time | -13:30 |
| Mechanicsburg Wynnewood | Eastern Time | 00:00 |
| Mechanicsburg Wynyard | Eastern Australia Time | -14:00 |
| Mechanicsburg Wrightsville | Eastern Time | 00:00 |
| Mechanicsburg Wrightsville Beach | Eastern Time | 00:00 |
| Mechanicsburg Wyomissing | Eastern Time | 00:00 |
| Mechanicsburg Wyong | Eastern Australia Time | -14:00 |
| Mechanicsburg Wythall | United Kingdom Time | -05:00 |
| Mechanicsburg Wytheville | Eastern Time | 00:00 |
| Mechanicsburg Xaafuun | East Africa Time | -07:00 |
| Mechanicsburg Xàbia | Central European Time | -06:00 |
| Mechanicsburg Xaxim | Brasilia Time | -01:00 |
| Mechanicsburg Xalapa | Central Time | 01:00 |
| Mechanicsburg Xalapa Enríquez | Central Time | 01:00 |
| Mechanicsburg Xalisco | Mexican Pacific Time | 02:00 |
| Mechanicsburg Zoutelande | Central European Time | -06:00 |