| Trowbridge Baie-D'Urfe | Eastern Time | 04:00 |
| Trowbridge Webster | Central Time | 05:00 |
| Trowbridge Bailrigg | United Kingdom Time | 00:00 |
| Trowbridge Yodogawa Ward | Japan Time | -09:00 |
| Trowbridge Bainbridge | Eastern Time | 04:00 |
| Trowbridge Baio Dora | Central European Time | -01:00 |
| Trowbridge Baladare | India Standard Time | -05:30 |
| Trowbridge Balakong | Malaysia Time | -08:00 |
| Trowbridge Balaclava | Eastern Australia Time | -11:00 |
| Trowbridge Bakewell | United Kingdom Time | 00:00 |
| Trowbridge Bella Vista | Eastern Australia Time | -11:00 |
| Trowbridge Belgrade | Mountain Time | 06:00 |
| Trowbridge Belgrave | Eastern Australia Time | -11:00 |
| Trowbridge Belfast | Eastern Time | 04:00 |
| Trowbridge Bellbrook | Eastern Time | 04:00 |
| Trowbridge Bellbrook | Eastern Australia Time | -11:00 |
| Trowbridge Belleair Bluffs | Eastern Time | 04:00 |
| Trowbridge Bioggio | Central European Time | -01:00 |
| Trowbridge Biougra | Western European Time | 00:00 |
| Trowbridge Bir Ali Ben Khlifa | Central European Time | -01:00 |
| Trowbridge Belfort-du-Quercy | Central European Time | -01:00 |
| Trowbridge Belforte del Chienti | Central European Time | -01:00 |
| Trowbridge Belconnen | Eastern Australia Time | -11:00 |
| Trowbridge Bekasi | Western Indonesia Time | -07:00 |
| Trowbridge Belagam | India Standard Time | -05:30 |
| Trowbridge Bitan Aharon | Israel Time | -02:00 |
| Trowbridge Bithan | India Standard Time | -05:30 |
| Trowbridge Bithani Gaon | India Standard Time | -05:30 |
| Trowbridge Bissone | Central European Time | -01:00 |
| Trowbridge Bisbee | Mountain Time | 07:00 |
| Trowbridge Birmingham | United Kingdom Time | 00:00 |
| Trowbridge Birmingham | United Kingdom Time | 00:00 |
| Trowbridge Biroda | India Standard Time | -05:30 |
| Trowbridge Birch Run | Eastern Time | 04:00 |
| Trowbridge Bir Tam Tam | Western European Time | 00:00 |
| Trowbridge Birkdale | Eastern Australia Time | -10:00 |
| Trowbridge Birkenau | Central European Time | -01:00 |
| Trowbridge Birkenfeld | Central European Time | -01:00 |