| Tomball Abington | Eastern Time | -01:00 |
| Tomball Dundrum | Ireland Time | -06:00 |
| Tomball Sam Rong Nua | Indochina Time | -12:00 |
| Tomball Dapto | Eastern Australia Time | -15:00 |
| Tomball Karawara | Western Australia Time | -13:00 |
| Tomball Grafton | Eastern Australia Time | -15:00 |
| Tomball Chatham | Eastern Time | -01:00 |
| Tomball Walenstadt | Central European Time | -07:00 |
| Tomball Aberdeen | Central Time | 00:00 |
| Tomball Dundee | Eastern Time | -01:00 |
| Tomball Salzgitter | Central European Time | -07:00 |
| Tomball Clusane | Central European Time | -07:00 |
| Tomball Jane | Central Time | 00:00 |
| Tomball Gramado | Brasilia Time | -02:00 |
| Tomball Chathannoor | India Standard Time | -10:30 |
| Tomball Waliv | India Standard Time | -10:30 |
| Tomball Abeibara | Greenwich Mean Time | -05:00 |
| Tomball Dufftown | United Kingdom Time | -06:00 |
| Tomball Río Grande | Atlantic Time | -01:00 |
| Tomball Clontarf | Ireland Time | -06:00 |
| Tomball Jarmen | Central European Time | -07:00 |
| Tomball Grambling | Central Time | 00:00 |
| Tomball Colyton | United Kingdom Time | -06:00 |
| Tomball Walled Lake | Eastern Time | -01:00 |
| Tomball Abbotsford | Eastern Australia Time | -15:00 |
| Tomball Duhamel | Eastern Time | -01:00 |
| Tomball Rio Grande | Eastern Time | -01:00 |
| Tomball Clyde | Eastern Australia Time | -15:00 |
| Tomball Järfälla | Central European Time | -07:00 |
| Tomball Graikas | Eastern European Time | -08:00 |
| Tomball Comas | Peru Time | 00:00 |
| Tomball Wangara | Western Australia Time | -13:00 |
| Tomball Brook | United Kingdom Time | -06:00 |
| Tomball Dandong | China Time | -13:00 |
| Tomball Ripon | Pacific Time | 02:00 |
| Tomball Clute | Central Time | 00:00 |
| Tomball Hérémence | Central European Time | -07:00 |
| Tomball Haro | Central European Time | -07:00 |
| Tomball Combarro | Central European Time | -07:00 |
| Tomball Wang Maprang Nuea | Indochina Time | -12:00 |
| Tomball Broadbeach | Eastern Australia Time | -15:00 |
| Tomball Danmark | Central European Time | -07:00 |
| Tomball Ripley | Eastern Time | -01:00 |
| Tomball Clyst Saint Mary | United Kingdom Time | -06:00 |
| Tomball Heringsdorf | Central European Time | -07:00 |
| Tomball Gort | Ireland Time | -06:00 |
| Tomball Columbus Air Force Base | Central Time | 00:00 |
| Tomball Wamego | Central Time | 00:00 |
| Tomball Broadbridge Heath | United Kingdom Time | -06:00 |
| Tomball Navsari | India Standard Time | -10:30 |