Opening hours buildings Opening time due to the coronavirus Office buildings are opened up to 20% of normal occupancy per floor for necessary activities and insofar as a 1.5 meter distance can be guaranteed. The opening hours of offices for employees on weekdays are further extended. Simon building: 08:30 - 20:30 hrs Dante building: 08:30 - 20:30 hrs Montesquieu building: 08:30 - 20:30 hrs - The Montesquieu Learning Center closes at 17:30 hrs Koopmans building: 08:30 - 20:30 hrs CUBE: 08:30 - 17:00 hrs Other office buildings are open from 08:30 - 17:30 hrs Contact security (013-4663000) for presence after 17:30 hrs. The campus is closed at weekends. More information about the limited access to buildings can be found in the Frequently Asked Questions. Regular opening hours Monday to Friday from 08:00 to 18:00 hrs* Closed on Saturdays and Sundays Opening hours can differ during holidays and special events. Services with different opening hours Library Montesquieu Learning Center CUBE Deprez building Restaurants Sports Center Student Desk *Security may ask people to leave earlier.