| Gorseinon Wytheville | Eastern Time | 05:00 |
| Gorseinon Weaverville | Pacific Time | 08:00 |
| Gorseinon Xaafuun | East Africa Time | -02:00 |
| Gorseinon Webbers Falls | Central Time | 06:00 |
| Gorseinon Xàbia | Central European Time | -01:00 |
| Gorseinon Webster | Central Time | 06:00 |
| Gorseinon Xalapa | Central Time | 06:00 |
| Gorseinon Watertown | Eastern Time | 05:00 |
| Gorseinon Xalapa Enríquez | Central Time | 06:00 |
| Gorseinon Watkins Glen | Eastern Time | 05:00 |
| Gorseinon Xalisco | Mexican Pacific Time | 07:00 |
| Gorseinon Watkinsville | Eastern Time | 05:00 |
| Gorseinon Zwiefalten | Central European Time | -01:00 |
| Gorseinon Watson | Eastern Australia Time | -09:00 |
| Gorseinon Zweisimmen | Central European Time | -01:00 |
| Gorseinon Wavre | Central European Time | -01:00 |
| Gorseinon Zwingenberg | Central European Time | -01:00 |
| Gorseinon Wattwil | Central European Time | -01:00 |
| Gorseinon Wauchope | Eastern Australia Time | -09:00 |
| Gorseinon Waverley | Eastern Australia Time | -09:00 |
| Gorseinon Waupaca | Central Time | 06:00 |
| Gorseinon Warrensville Heights | Eastern Time | 05:00 |
| Gorseinon Warnsveld | Central European Time | -01:00 |
| Gorseinon Warrandyte | Eastern Australia Time | -09:00 |
| Gorseinon Warners Bay | Eastern Australia Time | -09:00 |
| Gorseinon Valea Crișului | Eastern European Time | -02:00 |
| Gorseinon Valkenburg | Central European Time | -01:00 |
| Gorseinon Wasserburg am Inn | Central European Time | -01:00 |
| Gorseinon Washington | Eastern Time | 05:00 |
| Gorseinon Washington | Eastern Time | 05:00 |
| Gorseinon Wasilla | Alaska Time | 09:00 |
| Gorseinon Waterloo | United Kingdom Time | 00:00 |
| Gorseinon Waterford | Eastern Australia Time | -09:00 |
| Gorseinon Waterford Township | Eastern Time | 05:00 |
| Gorseinon Wasaga Beach | Eastern Time | 05:00 |
| Gorseinon Warrenton | Central Time | 06:00 |
| Gorseinon Warrington | Eastern Time | 05:00 |
| Gorseinon Warsaw | Eastern Time | 05:00 |