't Koninkrijkje is open all year round with the exception of:

    • The week between Christmas and New Year
    • New Year's Day
    • 1 study and 2 bridging days
    • Easter Monday
    • The 5th of May once every 5 years when it is a bank holiday
    • Ascension Day
    • Whit Monday
    • King's Day
    • Other national holidays and commemorative days recognised by the central government