Opening hours Ascension and Pentecost 2022 Posted on 25. May 2022 by Universitätsbibliothek der TUHH Ascension Day, Thursday, 26-5-2022, and Pentecost weekend, 4-6-2022 – 6-6-2022, the reading rooms and study rooms will be open. Ascension Day10am – 8pmPentecost Saturday8am – 8pmPentecost Sunday/Monday10am – 8pm We wish you nice holidays! Related