2012 Market Holidays: Norway

Wednesday 04 Apr Half trading day (Wednesday before Easter) Thursday 05 Apr Maundy Thursday Friday 06 Apr Good Friday Monday 09 Apr Easter Monday Tuesday 01 May Labour Day Thursday 17 May Constitution Day Monday 28 May Whitmonday Monday 24 Dec Christmas Eve Tuesday 25 Dec Christmas Day Wednesday 26 Dec Boxing Day Monday 31 Dec New Year's Eve

Source: http://www.oslobors.no/ob_eng/Oslo-ABM/About-us/Opening-hours