Day Date Month Holiday
Thursday 05 Jan Half trading day
Friday 06 Jan Epiphany
Thursday 13 Apr Half trading day
Friday 14 Apr Good Friday
Monday 17 Apr Easter Monday
Monday 01 May Labour Day
Wednesday 24 May Half trading day
Thursday 25 May Ascension Day
Tuesday 06 Jun National Day
Friday 23 Jun Midsummer Eve OBS
Friday 03 Nov Half trading day
Monday 25 Dec Christmas Day
Tuesday 26 Dec Boxing Day
Source: http://www.nasdaqomxnordic.com/tradinghours