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