Republic Day / New Year's Day
Epiphany
Good Friday
Easter Monday
Labour Day
St. Cyril and Methodius’ Day
National Uprising Day
Constitution Day
Day of Our Lady of Sorrows
All Saints’ Day
Christmas Eve
Christmas Day
St. Stephen's Day
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
 ‹ 1665
1666
1667 › 
# Date Public holiday
1Friday, 1 January 1666 Republic Day / New Year's Day
2Wednesday, 6 January 1666 Epiphany
3Friday, 16 April 1666 Good Friday
4Monday, 19 April 1666 Easter Monday
5Saturday, 1 May 1666 Labour Day
6Monday, 5 July 1666 St. Cyril and Methodius’ Day
7Sunday, 29 August 1666 National Uprising Day
8Wednesday, 1 September 1666 Constitution Day
9Wednesday, 15 September 1666 Day of Our Lady of Sorrows
10Monday, 1 November 1666 All Saints’ Day
11Friday, 24 December 1666 Christmas Eve
12Saturday, 25 December 1666 Christmas Day
13Sunday, 26 December 1666 St. Stephen's Day