| Saint Thomas Xalapa | Central Time | 00:00 |
| Saint Thomas Youngsville | Central Time | 00:00 |
| Saint Thomas Earlton | Eastern Time | -01:00 |
| Saint Thomas Yountville | Pacific Time | 02:00 |
| Saint Thomas Xalapa Enríquez | Central Time | 00:00 |
| Saint Thomas Zürs | Central European Time | -07:00 |
| Saint Thomas Earley | United Kingdom Time | -06:00 |
| Saint Thomas Zwingenberg | Central European Time | -07:00 |
| Saint Thomas Xalisco | Mexican Pacific Time | 01:00 |
| Saint Thomas Zwiefalten | Central European Time | -07:00 |
| Saint Thomas Easebourne | United Kingdom Time | -06:00 |
| Saint Thomas Zweisimmen | Central European Time | -07:00 |
| Saint Thomas Xaxim | Brasilia Time | -02:00 |
| Saint Thomas East Angus | Eastern Time | -01:00 |
| Saint Thomas East Aurora | Eastern Time | -01:00 |
| Saint Thomas Dwingeloo | Central European Time | -07:00 |
| Saint Thomas Düsseldorf | Central European Time | -07:00 |
| Saint Thomas General Escobedo | Central Time | 00:00 |
| Saint Thomas Gelugor | Malaysia Time | -13:00 |
| Saint Thomas Gemas | Malaysia Time | -13:00 |
| Saint Thomas Geneseo | Eastern Time | -01:00 |
| Saint Thomas Genting Highlands | Malaysia Time | -13:00 |
| Saint Thomas Georgeham | United Kingdom Time | -06:00 |
| Saint Thomas Georgina | Eastern Time | -01:00 |
| Saint Thomas Geraldine | New Zealand Time | -17:00 |
| Saint Thomas Gerik | Malaysia Time | -13:00 |
| Saint Thomas Gering | Mountain Time | 01:00 |
| Saint Thomas Gelang Patah | Malaysia Time | -13:00 |
| Saint Thomas Geiselwind | Central European Time | -07:00 |
| Saint Thomas Geelong West | Eastern Australia Time | -15:00 |
| Saint Thomas Geeriya | India Standard Time | -10:30 |
| Saint Thomas Ferney-Voltaire | Central European Time | -07:00 |
| Saint Thomas Fernie | Mountain Time | 01:00 |
| Saint Thomas Fernandina Beach | Eastern Time | -01:00 |
| Saint Thomas Fergus | Eastern Time | -01:00 |
| Saint Thomas Fenton | Central Time | 00:00 |
| Saint Thomas Fennville | Eastern Time | -01:00 |
| Saint Thomas Fennell Bay | Eastern Australia Time | -15:00 |