Luxembourg

 Russia

January 1 - New Years Day
February 19 - Carnival
April 9 - Easter Monday
May 1 - May Day
May 17 - Ascension Day
May 28 - Whit Monday
June 23 - National Day
August 15 - Assumption Day
September 3 - Luxembourg City Fete (only celebrated in the city of Luxembourg)
November 1 - All Saints Day
December 24 - Christmas Eve
December 25 - Christmas Day
December 26 - St. Stephens Day

January 1 New Year
January 7 Christmas
January 14 New Year according to Julian Calendar
January 25 Tatiana Day
February 14 Valentines Day
February 23 Defender of the Fatherland Day
March 8 International Womens Day
A week before the Great Lent Maslenitsa
April Easter
May 1 Spring and Labour Day
May 9 Victory Day
June 12 Russia Day
July 7 Ivan Kupala (St. John the Baptists Day)
August Troitsa (the Trinity)
November 4 Unity Day