Thursday 01 Jan New Year's Day
Thursday 02 Apr Maundy Thursday
Friday 03 Apr Good Friday Sunday 05 Apr Easter Day Monday 06 Apr Easter Monday Friday 01 May Official holidayThursday 14 May Ascension Day
Sunday 17 May 17 May Constitution Day (1814) Sunday 24 May Whit Sunday Monday 25 May Whit Monday Friday 25 Dec Christmas DaySaturday 26 Dec Boxing Day
Source: https://www.timeanddate.com/holidays/norway/2015#!hol=9