Day Date Month Holiday Friday 01 Jan New Year's Day Thursday 24 Mar Maundy Thursday Friday 25 Mar Good Friday Monday 28 Mar Easter Monday Thursday 21 Apr First Day of Summer Thursday 05 May Ascension Day Monday 16 May Whit Monday Friday 17 Jun National Day Monday 01 Aug Bank Holiday Monday 26 Dec Boxing Day Source: http://www.nasdaqomxnordic.com/tradinghours