DateTimeExtensions
Just a sample site of a possible usage of DateTimeExtensions nuget package.
Ísland (is-IS) change
Holidays
January 01 New Year
March 18 Palm Sunday
March 19 Maundy Thursday
March 20 Good Friday
March 22 Easter
March 23 Easter Monday
April 19 First Day of Summer
April 30 Feast of the Ascension
May 01 May Day
May 06 Pentecost
May 11 Pentecost Monday
June 03 The Seamen's Day
June 17 Republic's Day
August 06 Commerce's Day
December 25 Christmas
December 26 Christmas (2nd Day)