| Tres Cantos Richmond Heights | Central Time | 06:00 |
| Tres Cantos New York | Eastern Time | 05:00 |
| Tres Cantos Richton Park | Central Time | 06:00 |
| Tres Cantos Wittenberg | Central European Time | 00:00 |
| Tres Cantos Richmond Hill | Eastern Time | 05:00 |
| Tres Cantos New York | Eastern Time | 05:00 |
| Tres Cantos Richmond | Eastern Time | 05:00 |
| Tres Cantos Wivenhoe | United Kingdom Time | 01:00 |
| Tres Cantos Zuidhorn | Central European Time | 00:00 |
| Tres Cantos New Zealand | Atlantic Time | 04:00 |
| Tres Cantos Zuidoostbeemster | Central European Time | 00:00 |
| Tres Cantos Winton | New Zealand Time | -12:00 |
| Tres Cantos Zugliano | Central European Time | 00:00 |
| Tres Cantos Newcastle | Eastern Australia Time | -10:00 |
| Tres Cantos Zürs | Central European Time | 00:00 |
| Tres Cantos Winterville | Eastern Time | 05:00 |
| Tres Cantos Zwingenberg | Central European Time | 00:00 |
| Tres Cantos Newcastle | United Kingdom Time | 01:00 |
| Tres Cantos Zweisimmen | Central European Time | 00:00 |
| Tres Cantos Wisconsin Dells | Central Time | 06:00 |
| Tres Cantos Zwiefalten | Central European Time | 00:00 |
| Tres Cantos Newbern | Central Time | 06:00 |
| Tres Cantos Wynn Vale | Central Australia Time | -09:30 |
| Tres Cantos Wirksworth | United Kingdom Time | 01:00 |
| Tres Cantos Wynnewood | Eastern Time | 05:00 |
| Tres Cantos New Milton | Eastern Time | 05:00 |
| Tres Cantos Wynyard | Eastern Australia Time | -10:00 |
| Tres Cantos Wirsberg | Central European Time | 00:00 |
| Tres Cantos Wrightsville | Eastern Time | 05:00 |
| Tres Cantos New Minas | Atlantic Time | 04:00 |
| Tres Cantos Wrightsville Beach | Eastern Time | 05:00 |
| Tres Cantos Warburton | Eastern Australia Time | -10:00 |
| Tres Cantos Wyomissing | Eastern Time | 05:00 |
| Tres Cantos New Pitsligo | United Kingdom Time | 01:00 |
| Tres Cantos Wyong | Eastern Australia Time | -10:00 |
| Tres Cantos Warner | Eastern Time | 05:00 |
| Tres Cantos Wythall | United Kingdom Time | 01:00 |
| Tres Cantos New Paltz | Eastern Time | 05:00 |
| Tres Cantos Wytheville | Eastern Time | 05:00 |
| Tres Cantos Wareham | Eastern Time | 05:00 |
| Tres Cantos Xaafuun | East Africa Time | -02:00 |
| Tres Cantos New Hyde Park | Eastern Time | 05:00 |
| Tres Cantos Xàbia | Central European Time | 00:00 |
| Tres Cantos Winseler | Central European Time | 00:00 |
| Tres Cantos Xaxim | Brasilia Time | 04:00 |
| Tres Cantos New Lexington | Eastern Time | 05:00 |
| Tres Cantos Xalapa | Central Time | 07:00 |
| Tres Cantos Winnsboro | Central Time | 06:00 |
| Tres Cantos Xalapa Enríquez | Central Time | 07:00 |
| Tres Cantos New Lambton | Eastern Australia Time | -10:00 |