| Parma Vidor | Central Time | 07:00 |
| Parma Warrandyte | Eastern Australia Time | -08:00 |
| Parma Warners Bay | Eastern Australia Time | -08:00 |
| Parma Warnsveld | Central European Time | 00:00 |
| Parma Warrenton | Central Time | 07:00 |
| Parma Warrensville Heights | Eastern Time | 06:00 |
| Parma Warrington | Eastern Time | 06:00 |
| Parma Wasserburg am Inn | Central European Time | 00:00 |
| Parma Washington | Eastern Time | 06:00 |
| Parma Washington | Eastern Time | 06:00 |
| Parma Wasilla | Alaska Time | 10:00 |
| Parma Wasaga Beach | Eastern Time | 06:00 |
| Parma Warsaw | Eastern Time | 06:00 |
| Parma Villa Nueva | Argentina Time | 05:00 |
| Parma Villa Giardino | Argentina Time | 05:00 |
| Parma Watson | Eastern Australia Time | -08:00 |
| Parma Watkins Glen | Eastern Time | 06:00 |
| Parma Watkinsville | Eastern Time | 06:00 |
| Parma Wattwil | Central European Time | 00:00 |
| Parma Waupaca | Central Time | 07:00 |
| Parma Wauchope | Eastern Australia Time | -08:00 |
| Parma Waterford | Eastern Australia Time | -08:00 |
| Parma Waterford Township | Eastern Time | 06:00 |
| Parma Watertown | Eastern Time | 06:00 |
| Parma Waterloo | United Kingdom Time | 01:00 |
| Parma Wayne | Eastern Time | 06:00 |
| Parma Waynesville | Eastern Time | 06:00 |
| Parma Wayville | Central Australia Time | -07:30 |
| Parma Wayzata | Central Time | 07:00 |
| Parma Waverley | Eastern Australia Time | -08:00 |
| Parma Wavre | Central European Time | 00:00 |
| Parma Weaverville | Pacific Time | 09:00 |
| Parma Webbers Falls | Central Time | 07:00 |
| Parma Webster | Central Time | 07:00 |
| Parma Woodinville | Pacific Time | 09:00 |
| Parma Woodend | Eastern Australia Time | -08:00 |
| Parma Woodfin | Eastern Time | 06:00 |
| Parma Woodford | Eastern Australia Time | -08:00 |