DateTimeExtensions
Just a sample site of a possible usage of DateTimeExtensions nuget package.
Ísland (is-IS) change
Holidays
January 01 New Year
April 15 Palm Sunday
April 19 Maundy Thursday
April 20 Good Friday
April 22 Easter
April 23 Easter Monday
May 01 May Day
May 31 Feast of the Ascension
June 03 The Seamen's Day
June 10 Pentecost
June 11 Pentecost Monday
June 17 Republic's Day
August 06 Commerce's Day
December 25 Christmas
December 26 Christmas (2nd Day)