Mon - Fri: 7.30 a.m. - 8 p.m.
Sat: 8 a.m. - 12 a.m.
The secretary offices are open only on Monday-Friday in normal working hours (and not on Saturday).
Closed on Sundays and public holidays.
Closed on December 22, 24, 29 and 31 (2018), on January 5 (2019)
Take a look at any further notice in the italian homepage, on the right, "AVVISI"