| Houston Trinity | Eastern Time | -01:00 |
| Houston Wolfschlugen | Central European Time | -07:00 |
| Houston Gainesboro | Central Time | 00:00 |
| Houston Wolfville | Atlantic Time | -02:00 |
| Houston Troedyrhiw | United Kingdom Time | -06:00 |
| Houston Wolkersdorf im Weinviertel | Central European Time | -07:00 |
| Houston Exton | Eastern Time | -01:00 |
| Houston Wohratal | Central European Time | -07:00 |
| Houston Trogir | Central European Time | -07:00 |
| Houston Wivenhoe | United Kingdom Time | -06:00 |
| Houston Eynsham | United Kingdom Time | -06:00 |
| Houston Wittenberg | Central European Time | -07:00 |
| Houston Teluk Kumbar | Malaysia Time | -14:00 |
| Houston Wisconsin Dells | Central Time | 00:00 |
| Houston Eyrarbakki | Greenwich Mean Time | -06:00 |
| Houston Wirksworth | United Kingdom Time | -06:00 |
| Houston Tembhurni | India Standard Time | -11:30 |
| Houston Wirsberg | Central European Time | -07:00 |
| Houston Èze | Central European Time | -07:00 |
| Houston Winton | New Zealand Time | -19:00 |
| Houston Tekonsha | Eastern Time | -01:00 |
| Houston Winterville | Eastern Time | -01:00 |
| Houston Exeter | Eastern Time | -01:00 |
| Houston Winseler | Central European Time | -07:00 |
| Houston Tel Mond | Israel Time | -08:00 |
| Houston Zürs | Central European Time | -07:00 |
| Houston Evergreen | Mountain Time | 01:00 |
| Houston Wommelgem | Central European Time | -07:00 |
| Houston Teisendorf | Central European Time | -07:00 |
| Houston Woodbridge | Eastern Time | -01:00 |
| Houston Evercreech | United Kingdom Time | -06:00 |
| Houston Woodbridge Township | Eastern Time | -01:00 |
| Houston Tehachapi | Pacific Time | 02:00 |
| Houston Woodcroft | Central Australia Time | -16:30 |
| Houston Evere | Central European Time | -07:00 |
| Houston Zoutelande | Central European Time | -07:00 |
| Houston Tekapo | New Zealand Time | -19:00 |
| Houston Zuidhorn | Central European Time | -07:00 |
| Houston Estes Park | Mountain Time | 01:00 |
| Houston Zuidoostbeemster | Central European Time | -07:00 |
| Houston Tebnine | Eastern European Time | -08:00 |
| Houston Zugliano | Central European Time | -07:00 |
| Houston Estreito da Calheta | Western European Time | -06:00 |
| Houston Zwingenberg | Central European Time | -07:00 |
| Houston Tecuala | Mexican Pacific Time | 01:00 |
| Houston Zweisimmen | Central European Time | -07:00 |
| Houston Etten-Leur | Central European Time | -07:00 |
| Houston Zwiefalten | Central European Time | -07:00 |
| Houston Tecoma | Eastern Australia Time | -17:00 |
| Houston Voroneț | Eastern European Time | -08:00 |