| Rubtsovsk Ay | Central European Time | 06:00 |
| Rubtsovsk Blue Hill | Eastern Time | 12:00 |
| Rubtsovsk Axapusco | Central Time | 13:00 |
| Rubtsovsk Boaz | Central Time | 13:00 |
| Rubtsovsk Bassecourt | Central European Time | 06:00 |
| Rubtsovsk Boambee | Eastern Australia Time | -04:00 |
| Rubtsovsk Bassendean | Western Australia Time | -01:00 |
| Rubtsovsk Bloomfield Hills | Eastern Time | 12:00 |
| Rubtsovsk Bass Hill | Eastern Australia Time | -04:00 |
| Rubtsovsk Bluff City | Eastern Time | 12:00 |
| Rubtsovsk Bab El Assa | Central European Time | 06:00 |
| Rubtsovsk Bluffton | Eastern Time | 12:00 |
| Rubtsovsk Azzano Mella | Central European Time | 06:00 |
| Rubtsovsk Blountville | Eastern Time | 12:00 |
| Rubtsovsk Ba | Fiji Time | -05:00 |
| Rubtsovsk Blowing Rock | Eastern Time | 12:00 |
| Rubtsovsk Ayden | Eastern Time | 12:00 |
| Rubtsovsk Bloomsburg | Eastern Time | 12:00 |
| Rubtsovsk Ayoor | India Standard Time | 01:30 |
| Rubtsovsk Bloomsdale | Central Time | 13:00 |
| Rubtsovsk Azalea | Pacific Time | 15:00 |
| Rubtsovsk Boerne | Central Time | 13:00 |
| Rubtsovsk Azambuja | Western European Time | 07:00 |
| Rubtsovsk Boelenslaan | Central European Time | 06:00 |
| Rubtsovsk Azay-le-Rideau | Central European Time | 06:00 |
| Rubtsovsk Boca del Río | Central Time | 13:00 |
| Rubtsovsk Bocas del Toro Province | Eastern Time | 12:00 |
| Rubtsovsk Bochum | Central European Time | 06:00 |
| Rubtsovsk Butamwa | Central Africa Time | 05:00 |
| Rubtsovsk Burtonsville | Eastern Time | 12:00 |
| Rubtsovsk Burwood | Eastern Australia Time | -04:00 |
| Rubtsovsk Burwood East | Eastern Australia Time | -04:00 |
| Rubtsovsk Buscate | Central European Time | 06:00 |
| Rubtsovsk Burnside | Central Australia Time | -03:30 |
| Rubtsovsk Burleigh Heads | Eastern Australia Time | -03:00 |
| Rubtsovsk Burleigh Heads | Eastern Australia Time | -03:00 |
| Rubtsovsk Burkburnett | Central Time | 13:00 |
| Rubtsovsk Burgdorf | Central European Time | 06:00 |