| Valkenburg Rheinsberg | Central European Time | 00:00 |
| Valkenburg Klagenfurt | Central European Time | 00:00 |
| Valkenburg Rhodes | Eastern European Time | -01:00 |
| Valkenburg Kittery | Eastern Time | 06:00 |
| Valkenburg Prosser | Pacific Time | 09:00 |
| Valkenburg Kitty Hawk | Eastern Time | 06:00 |
| Valkenburg Providencia | Chile Time | 06:00 |
| Valkenburg Kitscoty | Mountain Time | 08:00 |
| Valkenburg Provincetown | Eastern Time | 06:00 |
| Valkenburg Kashigarh | India Standard Time | -03:30 |
| Valkenburg Profondeville | Central European Time | 00:00 |
| Valkenburg Kasauli | India Standard Time | -03:30 |
| Valkenburg Progreso | Eastern Time | 07:00 |
| Valkenburg Kasia Bazaar | India Standard Time | -03:30 |
| Valkenburg Progreso | Central Time | 07:00 |
| Valkenburg Kita Ward | Japan Time | -07:00 |
| Valkenburg Prineville | Pacific Time | 09:00 |
| Valkenburg Kasol | India Standard Time | -03:30 |
| Valkenburg Pryor | Central Time | 07:00 |
| Valkenburg Puchong | Malaysia Time | -06:00 |
| Valkenburg Pueblo Viejo | Colombia Time | 07:00 |
| Valkenburg Puebla de Sanabria | Central European Time | 00:00 |
| Valkenburg Puduvayal | India Standard Time | -03:30 |
| Valkenburg Parnwell | United Kingdom Time | 01:00 |
| Valkenburg Parkside | Central Australia Time | -07:30 |
| Valkenburg Parkville | Eastern Australia Time | -08:00 |
| Valkenburg Parkwood | Eastern Australia Time | -08:00 |
| Valkenburg Parli | India Standard Time | -03:30 |
| Valkenburg Parisot | Central European Time | 00:00 |
| Valkenburg Paris | Central European Time | 00:00 |
| Valkenburg Paris | Central European Time | 00:00 |
| Valkenburg Park City | Mountain Time | 08:00 |
| Valkenburg Parkdale | Eastern Australia Time | -08:00 |
| Valkenburg Oberwesel | Central European Time | 00:00 |
| Valkenburg Oberstaufen | Central European Time | 00:00 |
| Valkenburg Obertrubach | Central European Time | 00:00 |
| Valkenburg Oberkorn | Central European Time | 00:00 |
| Valkenburg Oberlin | Eastern Time | 06:00 |
| Valkenburg Obernberg am Brenner | Central European Time | 00:00 |
| Valkenburg Parempuyre | Central European Time | 00:00 |
| Valkenburg Parga | Eastern European Time | -01:00 |
| Valkenburg Pargas | Eastern European Time | -01:00 |
| Valkenburg Newstead | Eastern Australia Time | -08:00 |
| Valkenburg Newton Saint Cyres | United Kingdom Time | 01:00 |
| Valkenburg Nyaung-U | Myanmar Time | -04:30 |
| Valkenburg Nyaungshwe | Myanmar Time | -04:30 |
| Valkenburg Oak Bluffs | Eastern Time | 06:00 |
| Valkenburg Oak Brook | Central Time | 07:00 |
| Valkenburg Oberbüren | Central European Time | 00:00 |
| Valkenburg Oberhausen-Rheinhausen | Central European Time | 00:00 |