| Birkenfeld Monchique | Western European Time | 01:00 |
| Birkenfeld Bude | United Kingdom Time | 01:00 |
| Birkenfeld Durgi | India Standard Time | -03:30 |
| Birkenfeld Carrouge | Central European Time | 00:00 |
| Birkenfeld Mollis | Central European Time | 00:00 |
| Birkenfeld Carvoeiro | Western European Time | 01:00 |
| Birkenfeld Daylesford | Eastern Australia Time | -08:00 |
| Birkenfeld Casale Marittimo | Central European Time | 00:00 |
| Birkenfeld Monroe Township | Eastern Time | 06:00 |
| Birkenfeld Casaletto Ceredano | Central European Time | 00:00 |
| Birkenfeld David | Eastern Time | 07:00 |
| Birkenfeld Caselle Torinese | Central European Time | 00:00 |
| Birkenfeld Monkton | Eastern Time | 06:00 |
| Birkenfeld Cassà de la Selva | Central European Time | 00:00 |
| Birkenfeld David City | Central Time | 07:00 |
| Birkenfeld Caslano | Central European Time | 00:00 |
| Birkenfeld Monmouth | Central Time | 07:00 |
| Birkenfeld Casillas | Central European Time | 00:00 |
| Birkenfeld Davangere | India Standard Time | -03:30 |
| Birkenfeld Casselman | Eastern Time | 06:00 |
| Birkenfeld Monreal del Campo | Central European Time | 00:00 |
| Birkenfeld Castanet-Tolosan | Central European Time | 00:00 |
| Birkenfeld Davao City | Philippine Time | -06:00 |
| Birkenfeld Cassis | Central European Time | 00:00 |
| Birkenfeld Monona | Central Time | 07:00 |
| Birkenfeld Castagneto Carducci | Central European Time | 00:00 |
| Birkenfeld Davos | Central European Time | 00:00 |
| Birkenfeld Brunstatt | Central European Time | 00:00 |
| Birkenfeld Moniga del Garda | Central European Time | 00:00 |
| Birkenfeld Brunswick | Central European Time | 00:00 |
| Birkenfeld Dawalwadi | India Standard Time | -03:30 |
| Birkenfeld Brunswick East | Eastern Australia Time | -08:00 |
| Birkenfeld Monguelfo-Tesido | Central European Time | 00:00 |
| Birkenfeld Brunswick Heads | Eastern Australia Time | -08:00 |
| Birkenfeld Davidson | Eastern Time | 06:00 |
| Birkenfeld Bruceville-Eddy | Central Time | 07:00 |
| Birkenfeld Columbia Falls | Mountain Time | 08:00 |
| Birkenfeld Biebesheim am Rhein | Central European Time | 00:00 |
| Birkenfeld Colònia de Sant Jordi | Central European Time | 00:00 |
| Birkenfeld Biebrich | Central European Time | 00:00 |
| Birkenfeld Coloncito | Eastern Time | 07:00 |
| Birkenfeld Bruneck | Central European Time | 00:00 |
| Birkenfeld Colonel Light Gardens | Central Australia Time | -07:30 |
| Birkenfeld Bicton | Western Australia Time | -06:00 |
| Birkenfeld Colp | Central Time | 07:00 |
| Birkenfeld Bibione | Central European Time | 00:00 |
| Birkenfeld Dardanelle | Central Time | 07:00 |
| Birkenfeld Bidor | Malaysia Time | -06:00 |
| Birkenfeld Darch | Western Australia Time | -06:00 |
| Birkenfeld Bidhannagar | India Standard Time | -03:30 |