The KBR museum is closed on Mondays and the following holidays: 

• 1 January (New Year’s Day)
• 9 and 10 April (Easter)
• 1 May (Labour Day)
• 18 May (Ascension Day)
• 29 May (Whit Monday)
• 21 July (Belgian National Day)
• 15 August (Assumption Day)
• 1 November (All Saints’ Day)
• 11 November (Armistice Day)
• 25 December (Christmas)