If you did not have time to arrive on May 1, nothing happens. From May 1, 2018 to June 30, 2018, it is open at the Kittel Museum on weekends and public holidays from 10:00 to 18:00, and in the season from July 1 to August 31, 2018, it is open every day and on public holidays always from 10:00 to 18:00.
We are looking forward to your visit!