During the academic year:

Sunday: 10 a.m. to 6 p.m.
Monday: 9 a.m. to 8 p.m.
Tuesday: 9 a.m. to 10 p.m.
Wednesday: 9 a.m. to 10 p.m.
Thursday: 9 a.m. to 10 p.m.
Friday: 9 a.m. to start of Shabbat 
Saturday: Closed for Shabbat*

*Hillel will be open twice a month for Shabbat afternoon hangout and games. Check the Events calendar for specific dates.