| Provincetown Buira | Central European Time | -06:00 |
| Provincetown Al Jaghbub | Eastern European Time | -06:00 |
| Provincetown Bassecourt | Central European Time | -06:00 |
| Provincetown Al-Mamurah | Central European Time | -05:00 |
| Provincetown Bassendean | Western Australia Time | -12:00 |
| Provincetown Al Aaroui | Western European Time | -05:00 |
| Provincetown Bass Hill | Eastern Australia Time | -14:00 |
| Provincetown Akköy | Turkey Time | -07:00 |
| Provincetown Bastida | Central European Time | -06:00 |
| Provincetown Akrotiri | Eastern European Time | -07:00 |
| Provincetown Batang Tiga | Malaysia Time | -12:00 |
| Provincetown Al Hofuf | Arabian Time | -07:00 |
| Provincetown Batam | Western Indonesia Time | -11:00 |
| Provincetown Bastrop | Central Time | 01:00 |
| Provincetown Bathinda | India Standard Time | -09:30 |
| Provincetown Bath | Eastern Time | 00:00 |
| Provincetown Bathurst | Atlantic Time | -01:00 |
| Provincetown Batu Caves | Malaysia Time | -12:00 |
| Provincetown Batu Feringghi | Malaysia Time | -12:00 |
| Provincetown Batu Maung | Malaysia Time | -12:00 |
| Provincetown Bätterkinden | Central European Time | -06:00 |
| Provincetown Battle | United Kingdom Time | -05:00 |
| Provincetown Battery Point | Eastern Australia Time | -14:00 |
| Provincetown Bauru | Brasilia Time | -01:00 |
| Provincetown Birch Run | Eastern Time | 00:00 |
| Provincetown Bir Tam Tam | Western European Time | -05:00 |
| Provincetown Baxter | Central Time | 01:00 |
| Provincetown Bioggio | Central European Time | -06:00 |
| Provincetown Biougra | Western European Time | -05:00 |
| Provincetown Bir Ali Ben Khlifa | Central European Time | -05:00 |
| Provincetown Bisbee | Mountain Time | 03:00 |
| Provincetown Biroda | India Standard Time | -09:30 |
| Provincetown Birmingham | United Kingdom Time | -05:00 |
| Provincetown Birmingham | United Kingdom Time | -05:00 |
| Provincetown Birkdale | Eastern Australia Time | -14:00 |
| Provincetown Birkenau | Central European Time | -06:00 |
| Provincetown Birkenfeld | Central European Time | -06:00 |
| Provincetown Avon-by-the-Sea | Eastern Time | 00:00 |
| Provincetown Andergrove | Eastern Australia Time | -14:00 |
| Provincetown Anderlecht | Central European Time | -06:00 |
| Provincetown Avon | United Kingdom Time | -05:00 |
| Provincetown Avon | Eastern Time | 00:00 |
| Provincetown Avry | Central European Time | -06:00 |
| Provincetown Avsallar Belediyesi | Turkey Time | -07:00 |
| Provincetown Ananthapur | India Standard Time | -09:30 |
| Provincetown Anchor Point | Alaska Time | 04:00 |
| Provincetown Amurrio | Central European Time | -06:00 |
| Provincetown Amritsar Cantt. | India Standard Time | -09:30 |
| Provincetown Amsterdam Airport Schiphol | Central European Time | -06:00 |
| Provincetown Anamizu | Japan Time | -13:00 |