DateTimeExtensions
Just a sample site of a possible usage of DateTimeExtensions nuget package.
Suomi (fi-FI) change
Holidays
January 01 New Year
January 06 Epiphany
April 09 Good Friday
April 11 Easter
April 12 Easter Monday
May 01 May Day
May 20 Feast of the Ascension
May 25 Pentecost
June 20 Midsummer Eve
June 21 Midsummer Day
November 01 All Saint's Day
December 06 Independance Day
December 24 Christmas Eve
December 25 Christmas
December 26 St Stephen's Day