Our opening hours We are looking forward to your visit! Opening hours Spring Semester 2019 Calendar weeks 5-22 (28.1.2018 - 1.6.2019) Mon - Fri 8 a.m. - 10 p.m. Sat 9 a.m. - 7 p.m. Closing Dates Spring Semester 2019 Easter Fri, 19 April until Mon 22 April 2019 Dies Academicus Sat, 25 May 2019 Ascension Thu, 30 May 2019 Pentecost Mon, 10 June 2019 On the other days, the library is open as usual.