Day Date Month Holiday
Friday 01 Jan New Year's Day
Thursday 24 Mar Maundy Thursday
Friday 25 Mar Good Friday
Sunday 27 Mar Easter Sunday
Monday 28 Mar Easter Monday
Thursday 21 Apr First Day of Summer
Sunday 01 May Labour Day
Thursday 05 May Ascension Day
Sunday 15 May Whit Sunday
Monday 16 May Whit Monday
Friday 17 Jun Icelandic Republic Day
Monday 01 Aug Bank Holiday
Saturday 24 Dec Christmas Eve (from noon)
Sunday 25 Dec Christmas Day
Monday 26 Dec Second Day of Christmas
Saturday 31 Dec New Year's Eve (from noon)
Source: http://www.timeanddate.com/holidays/iceland/2016