DateTimeExtensions
Just a sample site of a possible usage of DateTimeExtensions nuget package.
Ísland (is-IS) change
Holidays
January 01 New Year
April 16 Palm Sunday
April 18 Maundy Thursday
April 19 Good Friday
April 20 First Day of Summer
April 21 Easter
April 22 Easter Monday
May 01 May Day
May 30 Feast of the Ascension
June 04 Pentecost
June 10 Pentecost Monday
June 17 Republic's Day
August 07 Commerce's Day
December 25 Christmas
December 26 Christmas (2nd Day)