semester:

Monday, Tuesday: 9:00 - 13:00  
Wednesday: by agreement
Thursday: 14:00 - 16:00
Friday: by agreement

semester:

Wednesday: 9:00 - 12:00  
Thursday: 14:00 - 16:00
Friday: 9:00 - 12:00
or by agreement

semester break:

Monday, Tuesday: 9:00 - 13:00  
Wednesday: by agreement
Thursday: 13:00 - 15:00
Friday: by agreement

semester break:

Wednesday: 9:00 - 12:00  
Thursday: 13:00 - 15:00
Friday: 9:00 - 12:00
or by agreement