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 20 Good Friday
April 22 Easter
April 23 Easter Monday
May 01 May Day
May 31 Feast of the Ascension
June 10 Pentecost
June 22 Midsummer Eve
June 23 Midsummer Day
November 03 All Saint's Day
December 06 Independance Day
December 24 Christmas Eve
December 25 Christmas
December 26 St Stephen's Day