| Coldwater Wynyard | Eastern Australia Time | -14:00 |
| Coldwater Woy Woy | Eastern Australia Time | -14:00 |
| Coldwater Wyomissing | Eastern Time | 00:00 |
| Coldwater Wyong | Eastern Australia Time | -14:00 |
| Coldwater Xaxim | Brasilia Time | -01:00 |
| Coldwater Wythall | United Kingdom Time | -05:00 |
| Coldwater Wytheville | Eastern Time | 00:00 |
| Coldwater Xaafuun | East Africa Time | -07:00 |
| Coldwater Xàbia | Central European Time | -06:00 |
| Coldwater Xalapa | Central Time | 01:00 |
| Coldwater Xalapa Enríquez | Central Time | 01:00 |
| Coldwater Xalisco | Mexican Pacific Time | 02:00 |
| Coldwater Waimanalo | Hawaii-Aleutian Time | 06:00 |
| Coldwater Waimauku | New Zealand Time | -16:00 |
| Coldwater Waikanae | New Zealand Time | -16:00 |
| Coldwater Waite Park | Central Time | 01:00 |
| Coldwater Waitomo | New Zealand Time | -16:00 |
| Coldwater Waitsfield | Eastern Time | 00:00 |
| Coldwater Wahroonga | Eastern Australia Time | -14:00 |
| Coldwater Waghunde Kh. | India Standard Time | -09:30 |
| Coldwater Wagoner | Central Time | 01:00 |
| Coldwater Wagrain | Central European Time | -06:00 |
| Coldwater Wakefield | Eastern Time | 00:00 |
| Coldwater Wakan | Gulf Standard Time | -08:00 |
| Coldwater Walchwil | Central European Time | -06:00 |
| Coldwater Woodend | Eastern Australia Time | -14:00 |
| Coldwater Woodfin | Eastern Time | 00:00 |
| Coldwater Woodford | Eastern Australia Time | -14:00 |
| Coldwater Woods Cross | Mountain Time | 02:00 |
| Coldwater Woodinville | Pacific Time | 03:00 |
| Coldwater Woody Point | Eastern Australia Time | -14:00 |
| Coldwater Woolloongabba | Eastern Australia Time | -14:00 |
| Coldwater Worrigee | Eastern Australia Time | -14:00 |
| Coldwater Wörrstadt | Central European Time | -06:00 |
| Coldwater Wrightsville | Eastern Time | 00:00 |
| Coldwater Wrightsville Beach | Eastern Time | 00:00 |
| Coldwater Worb | Central European Time | -06:00 |
| Coldwater Workum | Central European Time | -06:00 |