| Bologna Beeston | United Kingdom Time | 01:00 |
| Bologna Begur | Central European Time | 00:00 |
| Bologna Beit Jann | Israel Time | -01:00 |
| Bologna Belfast | Eastern Time | 06:00 |
| Bologna Belconnen | Eastern Australia Time | -10:00 |
| Bologna Bekasi | Western Indonesia Time | -06:00 |
| Bologna Belagam | India Standard Time | -04:30 |
| Bologna Bahariya Oasis | Eastern European Time | -01:00 |
| Bologna Bahour | India Standard Time | -04:30 |
| Bologna Beebe | Central Time | 07:00 |
| Bologna Beed | India Standard Time | -04:30 |
| Bologna Baga | India Standard Time | -04:30 |
| Bologna Bagà | Central European Time | 00:00 |
| Bologna Anchor Point | Alaska Time | 10:00 |
| Bologna Ananthapur | India Standard Time | -04:30 |
| Bologna Andergrove | Eastern Australia Time | -09:00 |
| Bologna Anderlecht | Central European Time | 00:00 |
| Bologna Antananarivo | East Africa Time | -02:00 |
| Bologna Antibes | Central European Time | 00:00 |
| Bologna Antigonish | Atlantic Time | 05:00 |
| Bologna Antwerp | Central European Time | 00:00 |
| Bologna Anzegem | Central European Time | 00:00 |
| Bologna Anzegem | Central European Time | 00:00 |
| Bologna Appenzell District | Central European Time | 00:00 |
| Bologna Apple Springs | Central Time | 07:00 |
| Bologna Apollo Beach | Eastern Time | 06:00 |
| Bologna Applecross | Western Australia Time | -07:00 |
| Bologna Badolato Marina | Central European Time | 00:00 |
| Bologna Badia Polesine | Central European Time | 00:00 |
| Bologna Badia Tedalda | Central European Time | 00:00 |
| Bologna Baden bei Wien | Central European Time | 00:00 |
| Bologna Badamanavarthekaval | India Standard Time | -04:30 |
| Bologna Aoulouz | Western European Time | 00:00 |
| Bologna Aougrout | Central European Time | 00:00 |
| Bologna Anzola dell'Emilia | Central European Time | 00:00 |
| Bologna Ao Nang | Indochina Time | -06:00 |
| Bologna Aoba Ward | Japan Time | -08:00 |
| Bologna Aoi Ward | Japan Time | -08:00 |