On Monday February 4 (Patron saint's day KU Leuven") you can grab a bread roll or soup at: Alma 2 (8.30-14.30), Gasthuisberg (7.30-14.30) or Esat2 (9.30-14.30)
During the "no classes" break (Febr. 5-10) Alma 2, Alma 3, Alma Gasthuisberg, De Moete and Esat are open for lunch.
All Alma's are open from Monday February 11 onwards.
Check this link for an overview of all locations and opening hours.