| population: | 650,000 |
| latitude: | 50.12° N |
| longitude: | 8.68° E |
| elevation: | 113m |
| local time: | 10:00 |
| local date: | Tue 15 Sep |
| current time zone: | UTC+02:00 |
| DST observed: | yes |
| Currently on DST: | yes |
| DST started: | Sun 29 Mar 2026 |
| DST ends: | Sun 25 Oct 2026 |
| sunrise: | 07:01 |
| sunset: | 19:39 |
| day length: | 12h 38m |
| solar noon: | 13:20 |