From August 20th the library in Bozen/Bolzano offers longer opening hours:

Monday - Friday 08:00 - 24:00 (19:00 – 24:00 Self service)
Saturday 09:00 – 20:00 (17:00 – 20:00 Self service)
Sunday 16:00 - 22:00 (FUB Students only – Self service)

Have a look at the Opening hours Calendar of Bozen-Bolzano – day per day.