Facility
Different opening hours at KOG and STW over the summer break
Over the summer break, the opening hours at the Kamerlingh Onnes Gebouw (KOG), the KOG library and the KOG restaurant will change.
| Monday to Friday | Saturday & Sunday | |
|
Kamerlingh Onnes Gebouw (KOG) |
7.30 - 18.00 | Closed |
| KOG library (from 6 July to 30 August |
9.00 - 17.00 | Closed |
|
Old Observatory (STW) |
Closed | Closed |
|
Old Observatory (STW) |
8.00 - 18.00 | Closed |
Restaurant and café
Different opening hours from Monday 6 July to Sunday 30 August at KOG restaurant and the Juridisch Café.
| Monday to Friday | Saturday & Sunday | |
| Juridisch Café |
9.00 - 14.30 |
Closed |
| KOG restaurant | Closed | Closed |
Exceptions
- The Juridisch Café will be open in the week of 6-7-2026 from 9.00-18.00 and in the week of 24-08-2026 and 31-08-2026 from 9.00-16.30.