Day Date Month Holiday Thursday 13 Apr Maundy Thursday Friday 14 Apr Good Friday Monday 17 Apr Easter Monday Thursday 20 Apr First Day of Summer OBS Monday 01 May Labour Day Thursday 25 May Ascension Day Monday 05 Jun Whitmonday Monday 07 Aug Bank Holiday Monday 25 Dec Christmas Day Tuesday 26 Dec Boxing Day Source: http://www.nasdaqomxnordic.com/tradinghours