| Curitiba Cabrils | Central European Time | -04:00 |
| Curitiba Cadalso | Central European Time | -04:00 |
| Curitiba Cadalso de los Vidrios | Central European Time | -04:00 |
| Curitiba Cadereyta Jiménez | Central Time | 03:00 |
| Curitiba Cadiz | Central Time | 03:00 |
| Curitiba Cabazon | Pacific Time | 05:00 |
| Curitiba Cabo de Gata | Central European Time | -04:00 |
| Curitiba Cabarete | Atlantic Time | 01:00 |
| Curitiba Byford | Western Australia Time | -11:00 |
| Curitiba Byrdstown | Central Time | 03:00 |
| Curitiba Byrnihat | India Standard Time | -08:30 |
| Curitiba Byron | Eastern Time | 02:00 |
| Curitiba Byron Bay | Eastern Australia Time | -14:00 |
| Curitiba Bytča | Central European Time | -04:00 |
| Curitiba Bogotá | Colombia Time | 02:00 |
| Curitiba Boğazkent Belediyesi | Turkey Time | -06:00 |
| Curitiba Bella Vista | Eastern Australia Time | -14:00 |
| Curitiba Bellbrook | Eastern Time | 02:00 |
| Curitiba Bellbrook | Eastern Australia Time | -14:00 |
| Curitiba Belleair Bluffs | Eastern Time | 02:00 |
| Curitiba Belfast | Eastern Time | 02:00 |
| Curitiba Belfort-du-Quercy | Central European Time | -04:00 |
| Curitiba Belforte del Chienti | Central European Time | -04:00 |
| Curitiba Belgrade | Mountain Time | 04:00 |
| Curitiba Belgrave | Eastern Australia Time | -14:00 |
| Curitiba Boliqueime | Western European Time | -03:00 |
| Curitiba Boksburg | South Africa Standard Time | -05:00 |
| Curitiba Bondi Beach | Eastern Australia Time | -14:00 |
| Curitiba Bondi Junction | Eastern Australia Time | -14:00 |
| Curitiba Boppelsen | Central European Time | -04:00 |
| Curitiba Boquete | Eastern Time | 02:00 |
| Curitiba Booneville | Central Time | 03:00 |
| Curitiba Boonville | Pacific Time | 05:00 |
| Curitiba Boothbay | Eastern Time | 02:00 |
| Curitiba Boothbay Harbor | Eastern Time | 02:00 |
| Curitiba Bonifay | Central Time | 03:00 |
| Curitiba Bonlez | Central European Time | -04:00 |
| Curitiba Bonnac | Central European Time | -04:00 |