The "Wirtshaus" is open:

Wednesday - Saturday:
2:00 p.m. - 5:00 p.m.
6:00 p.m. - 8:00 p.m.

Sunday:
12:00 p.m. – 5:00 p.m.
6:00 p.m. – 8:00 p.m.

Tuesday:
2:00 p.m. - 5:00 p.m.
6:30 p.m. (HEIM.AT menu)

Monday - closed