| Dundrum Begur | Central European Time | -01:00 |
| Dundrum Bloomsburg | Eastern Time | 05:00 |
| Dundrum Beit Jann | Israel Time | -02:00 |
| Dundrum Bloomsdale | Central Time | 06:00 |
| Dundrum Bekasi | Western Indonesia Time | -06:00 |
| Dundrum Boaz | Central Time | 06:00 |
| Dundrum Belagam | India Standard Time | -04:30 |
| Dundrum Boca del Río | Central Time | 06:00 |
| Dundrum Belconnen | Eastern Australia Time | -09:00 |
| Dundrum Boambee | Eastern Australia Time | -09:00 |
| Dundrum Cadiz | Central Time | 06:00 |
| Dundrum Belmore | Eastern Australia Time | -09:00 |
| Dundrum Cadereyta Jiménez | Central Time | 06:00 |
| Dundrum Belmont | Western Australia Time | -07:00 |
| Dundrum Cadalso | Central European Time | -01:00 |
| Dundrum Belmar | Eastern Time | 05:00 |
| Dundrum Cadalso de los Vidrios | Central European Time | -01:00 |
| Dundrum Bembla and Manarah | Central European Time | 00:00 |
| Dundrum Cabudare | Venezuela Time | 05:00 |
| Dundrum Belthangady | India Standard Time | -04:30 |
| Dundrum Cabrils | Central European Time | -01:00 |
| Dundrum Benavente | Western European Time | 00:00 |
| Dundrum Cabramatta | Eastern Australia Time | -09:00 |
| Dundrum Benahavís | Central European Time | -01:00 |
| Dundrum Cabrerets | Central European Time | -01:00 |
| Dundrum Benajarafe | Central European Time | -01:00 |
| Dundrum Cabo de Gata | Central European Time | -01:00 |
| Dundrum Bengaluru | India Standard Time | -04:30 |
| Dundrum Cabazon | Pacific Time | 08:00 |
| Dundrum Bengaluru | India Standard Time | -04:30 |
| Dundrum Cabarete | Atlantic Time | 05:00 |
| Dundrum Bengaluru | India Standard Time | -04:30 |
| Dundrum Borth | United Kingdom Time | 00:00 |
| Dundrum Bengaluru | India Standard Time | -04:30 |
| Dundrum Bošnia | Moscow Time | -02:00 |
| Dundrum Bengaluru | India Standard Time | -04:30 |
| Dundrum Borough Green | United Kingdom Time | 00:00 |
| Dundrum Bengaluru | India Standard Time | -04:30 |
| Dundrum Börnsen | Central European Time | -01:00 |
| Dundrum Buttlar | Central European Time | -01:00 |
| Dundrum Byford | Western Australia Time | -07:00 |
| Dundrum Buttonwillow | Pacific Time | 08:00 |
| Dundrum Byrdstown | Central Time | 06:00 |
| Dundrum Changlun | Malaysia Time | -07:00 |
| Dundrum Byrnihat | India Standard Time | -04:30 |
| Dundrum Butamwa | Central Africa Time | -01:00 |
| Dundrum Byron | Eastern Time | 05:00 |
| Dundrum Butler | Eastern Time | 05:00 |
| Dundrum Byron Bay | Eastern Australia Time | -09:00 |
| Dundrum Burwood | Eastern Australia Time | -09:00 |