| Old Basing Combarro | Central European Time | -01:00 |
| Old Basing Brahmavar | India Standard Time | -04:30 |
| Old Basing Bradford-on-Tone | United Kingdom Time | 00:00 |
| Old Basing Bradenton Beach | Eastern Time | 05:00 |
| Old Basing Braddon | Eastern Australia Time | -09:00 |
| Old Basing Braccagni | Central European Time | -01:00 |
| Old Basing Bracebridge | Eastern Time | 05:00 |
| Old Basing Boutigny-sur-Essonne | Central European Time | -01:00 |
| Old Basing Boutilimit | Greenwich Mean Time | 01:00 |
| Old Basing Bovey Tracey | United Kingdom Time | 00:00 |
| Old Basing Bourdeau | Central European Time | -01:00 |
| Old Basing Bourbon | Central Time | 06:00 |
| Old Basing Bourg-en-Lavaux | Central European Time | -01:00 |
| Old Basing Box Hill | Eastern Australia Time | -09:00 |
| Old Basing Box Hill South | Eastern Australia Time | -09:00 |
| Old Basing Bowmanville | Eastern Time | 05:00 |
| Old Basing Bowness-on-Windermere | United Kingdom Time | 00:00 |
| Old Basing Bowral | Eastern Australia Time | -09:00 |
| Old Basing Boyertown | Eastern Time | 05:00 |
| Old Basing Berkley | Eastern Time | 05:00 |
| Old Basing Berkeley Springs | Eastern Time | 05:00 |
| Old Basing Berkeley Vale | Eastern Australia Time | -09:00 |
| Old Basing Berhampore | India Standard Time | -04:30 |
| Old Basing Bergen | Central European Time | -01:00 |
| Old Basing Berg | Central European Time | -01:00 |
| Old Basing Bergem | Central European Time | -01:00 |
| Old Basing Boularderie East | Atlantic Time | 04:00 |
| Old Basing Bougtob | Central European Time | 00:00 |
| Old Basing Boumalne Dades | Western European Time | 00:00 |
| Old Basing Berowra Waters | Eastern Australia Time | -09:00 |
| Old Basing Bernards | Eastern Time | 05:00 |
| Old Basing Bernice | Central Time | 06:00 |
| Old Basing Bernkastel-Kues | Central European Time | -01:00 |
| Old Basing Berriz | Central European Time | -01:00 |
| Old Basing Berrima | Eastern Australia Time | -09:00 |
| Old Basing Bamber Bridge | United Kingdom Time | 00:00 |
| Old Basing Ban Luang | Indochina Time | -06:00 |
| Old Basing Ban Lum | Indochina Time | -06:00 |
| Old Basing Ban Tai | Indochina Time | -06:00 |
| Old Basing Ban Tai | Indochina Time | -06:00 |
| Old Basing Balmain | Eastern Australia Time | -09:00 |
| Old Basing Ballsbridge | Ireland Time | 00:00 |
| Old Basing Ballston Spa | Eastern Time | 05:00 |
| Old Basing Ballydehob | Ireland Time | 00:00 |
| Old Basing Ballina | Eastern Australia Time | -09:00 |
| Old Basing Balsièges | Central European Time | -01:00 |
| Old Basing Balwyn | Eastern Australia Time | -09:00 |
| Old Basing Berea | South Africa Standard Time | -01:00 |
| Old Basing Berenice Troglodytica | Eastern European Time | -01:00 |
| Old Basing Beresford | Atlantic Time | 04:00 |