| Saint Thomas Saxapahaw | Eastern Time | -01:00 |
| Saint Thomas Ayia Napa | Eastern European Time | -08:00 |
| Saint Thomas Saxonburg | Eastern Time | -01:00 |
| Saint Thomas Ayden | Eastern Time | -01:00 |
| Saint Thomas Sayalonga | Central European Time | -07:00 |
| Saint Thomas Björna | Central European Time | -07:00 |
| Saint Thomas Black River Falls | Central Time | 00:00 |
| Saint Thomas Blackrock | Ireland Time | -06:00 |
| Saint Thomas Blackburn | Eastern Australia Time | -17:00 |
| Saint Thomas Blackfoot | Mountain Time | 01:00 |
| Saint Thomas Blackheath | Eastern Australia Time | -17:00 |
| Saint Thomas Bissone | Central European Time | -07:00 |
| Saint Thomas Bitan Aharon | Israel Time | -08:00 |
| Saint Thomas Bithan | India Standard Time | -11:30 |
| Saint Thomas Bithani Gaon | India Standard Time | -11:30 |
| Saint Thomas Biroda | India Standard Time | -11:30 |
| Saint Thomas Bisbee | Mountain Time | 01:00 |
| Saint Thomas Birkdale | Eastern Australia Time | -16:00 |
| Saint Thomas Birkenau | Central European Time | -07:00 |
| Saint Thomas Birkenfeld | Central European Time | -07:00 |
| Saint Thomas Birmingham | United Kingdom Time | -06:00 |
| Saint Thomas Birmingham | United Kingdom Time | -06:00 |
| Saint Thomas Bauru | Brasilia Time | -03:00 |
| Saint Thomas Baxter | Central Time | 00:00 |
| Saint Thomas Birch Run | Eastern Time | -01:00 |
| Saint Thomas Bir Tam Tam | Western European Time | -07:00 |
| Saint Thomas Bioggio | Central European Time | -07:00 |
| Saint Thomas Biougra | Western European Time | -07:00 |
| Saint Thomas Bir Ali Ben Khlifa | Central European Time | -07:00 |
| Saint Thomas Bätterkinden | Central European Time | -07:00 |
| Saint Thomas Bathinda | India Standard Time | -11:30 |
| Saint Thomas Bath | Eastern Time | -01:00 |
| Saint Thomas Bathurst | Atlantic Time | -02:00 |
| Saint Thomas Battle | United Kingdom Time | -06:00 |
| Saint Thomas Battery Point | Eastern Australia Time | -17:00 |
| Saint Thomas Batu Caves | Malaysia Time | -14:00 |
| Saint Thomas Batu Feringghi | Malaysia Time | -14:00 |
| Saint Thomas Batu Maung | Malaysia Time | -14:00 |