| Gray Worb | Central European Time | -06:00 |
| Gray Niagara Park | Eastern Australia Time | -14:00 |
| Gray Wangara | Western Australia Time | -12:00 |
| Gray Wanguri | Central Australia Time | -13:30 |
| Gray Wareham | Eastern Time | 00:00 |
| Gray Wappingers Falls | Eastern Time | 00:00 |
| Gray Warana | Eastern Australia Time | -14:00 |
| Gray Warburton | Eastern Australia Time | -14:00 |
| Gray Wals | Central European Time | -06:00 |
| Gray Waltenhofen | Central European Time | -06:00 |
| Gray Wallisellen | Central European Time | -06:00 |
| Gray Walled Lake | Eastern Time | 00:00 |
| Gray Wamego | Central Time | 01:00 |
| Gray Wanaka | New Zealand Time | -16:00 |
| Gray Wang Maprang Nuea | Indochina Time | -11:00 |
| Gray Wandiligong | Eastern Australia Time | -14:00 |
| Gray Walzbachtal | Central European Time | -06:00 |
| Gray Zuidhorn | Central European Time | -06:00 |
| Gray Zuidoostbeemster | Central European Time | -06:00 |
| Gray Zugliano | Central European Time | -06:00 |
| Gray Zoutelande | Central European Time | -06:00 |
| Gray Xaxim | Brasilia Time | -01:00 |
| Gray Wynn Vale | Central Australia Time | -13:30 |
| Gray Wynnewood | Eastern Time | 00:00 |
| Gray Wynyard | Eastern Australia Time | -14:00 |
| Gray Wythall | United Kingdom Time | -05:00 |
| Gray Wytheville | Eastern Time | 00:00 |
| Gray Xaafuun | East Africa Time | -07:00 |
| Gray Xàbia | Central European Time | -06:00 |
| Gray Wyomissing | Eastern Time | 00:00 |
| Gray Wyong | Eastern Australia Time | -14:00 |
| Gray Xalapa | Central Time | 01:00 |
| Gray Xalapa Enríquez | Central Time | 01:00 |
| Gray Xalisco | Mexican Pacific Time | 02:00 |
| Gray Zürs | Central European Time | -06:00 |
| Gray Zwingenberg | Central European Time | -06:00 |
| Gray Zwiefalten | Central European Time | -06:00 |
| Gray Zweisimmen | Central European Time | -06:00 |