Facility
Opening and closing times on Ascension Day and Whit Sunday and Monday 2023
On Thursday 18 May (Ascension Day), Friday 19 May (compulsory closure day) and Sunday 28 and Monday 29 May (Whit Sunday and Monday) most Leiden University buildings are closed.
Libraries
On 18, 19, 28 and 29 May, the University Library (UB) will be open. All other UB library locations will be closed on these days. Please find the exact days and opening hours for each library location on the opening hours page.