| Valkenburg Derendingen | Central European Time | 00:00 |
| Valkenburg Tullamarine | Eastern Australia Time | -08:00 |
| Valkenburg Benahavís | Central European Time | 00:00 |
| Valkenburg Port Richey | Eastern Time | 06:00 |
| Valkenburg Ergolding | Central European Time | 00:00 |
| Valkenburg Ayer Keroh | Malaysia Time | -06:00 |
| Valkenburg Saint Ives | United Kingdom Time | 01:00 |
| Valkenburg Flic en Flac | Mauritius Time | -02:00 |
| Valkenburg Derrimut | Eastern Australia Time | -08:00 |
| Valkenburg Tullamore | Ireland Time | 01:00 |
| Valkenburg Benajarafe | Central European Time | 00:00 |
| Valkenburg Port Severn | Eastern Time | 06:00 |
| Valkenburg Ericeira | Western European Time | 01:00 |
| Valkenburg Ayer's Cliff | Eastern Time | 06:00 |
| Valkenburg Saint James | Western Australia Time | -06:00 |
| Valkenburg Florennes | Central European Time | 00:00 |
| Valkenburg Dersingham | United Kingdom Time | 01:00 |
| Valkenburg Tekonsha | Eastern Time | 06:00 |
| Valkenburg Benissa | Central European Time | 00:00 |
| Valkenburg Port Melbourne | Eastern Australia Time | -08:00 |
| Valkenburg Erbil | Arabian Time | -01:00 |
| Valkenburg Ayia Napa | Eastern European Time | -01:00 |
| Valkenburg Saint James City | Eastern Time | 06:00 |
| Valkenburg Florensac | Central European Time | 00:00 |
| Valkenburg Derventa | Central European Time | 00:00 |
| Valkenburg Tel Mond | Israel Time | -01:00 |
| Valkenburg Benito Juárez | Central Time | 07:00 |
| Valkenburg Port Isabel | Central Time | 07:00 |
| Valkenburg Chittissery | India Standard Time | -03:30 |
| Valkenburg Avon | United Kingdom Time | 01:00 |
| Valkenburg Saint-Jean-Cap-Ferrat | Central European Time | 00:00 |
| Valkenburg Flores | Central Time | 08:00 |
| Valkenburg El Bouni | Central European Time | 01:00 |
| Valkenburg Teluk Kumbar | Malaysia Time | -06:00 |
| Valkenburg Bellmead | Central Time | 07:00 |
| Valkenburg Port Jefferson | Eastern Time | 06:00 |
| Valkenburg Chittoor | India Standard Time | -03:30 |
| Valkenburg Avon-by-the-Sea | Eastern Time | 06:00 |
| Valkenburg Saint-Gilles | Central European Time | 00:00 |
| Valkenburg Fleckney | United Kingdom Time | 01:00 |
| Valkenburg Eichenzell | Central European Time | 00:00 |
| Valkenburg Tembhurni | India Standard Time | -03:30 |
| Valkenburg Belmar | Eastern Time | 06:00 |
| Valkenburg Port Klang | Malaysia Time | -06:00 |
| Valkenburg Chiyoda | Japan Time | -07:00 |
| Valkenburg Avon | Eastern Time | 06:00 |
| Valkenburg Saint-Gobain | Central European Time | 00:00 |
| Valkenburg Flemington | Eastern Australia Time | -08:00 |
| Valkenburg Eigeltingen | Central European Time | 00:00 |
| Valkenburg Sultan Bathery | India Standard Time | -03:30 |