Friday 1 Jan New Year's Day
Sunday 4 Apr Easter Day
Monday 5 Apr Easter Monday
Saturday 1 May Labor Day / May Day
Thursday 13 May Ascension Day
Sunday 23 May Whit Sunday
Monday 24 May Whit Monday
Wednesday 21 Jul Belgian National Day
Sunday 15 Aug Assumption of Mary
Monday 1 Nov All Saints
Thursday 11 Nov Armistice Day
Saturdau 25 Dec Christmas Day
Source: http://www.timeanddate.com