The castle is open:

April

Sat, Sun, holidays and school holidays (27. 4.-5. 5.)     
10 am – 6 pm                    

May, June, September, October, November, December                                       

Mon, Wed, Thu, Fri
9 am – 2 pm

Tue

11 am - 5 pm

Sat, Sun, holidays
10 am – 6 pm  

July, August

Every day
10 am – 7 pm

The castle is open every day of the year for groups that book in advance.