In addition to regular opening hours, the State Hall and the museums of the Austrian National Library will be open on May 25, 2026.
The reading rooms of the Austrian National Library will be closed on May 14 (Ascension Day), Sunday, May 24 (Whit Sunday), Monday, May 15 (Whit Monday) and Thursday, June 4, 2026 (Corpus Christi).
Due to an event, the Papyrus Museum will not open until 12 p. m. on June 10, 2026.
Due to an event, the State Hall will already close at 6 p.m. on June 11, 2026.
https://www.onb.ac.at/kalender/eurovision-song-contest
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