New Year's Day
Easter Monday
Labor Day
Iris Day
Ascension Day
Pentecost Monday
National Day
Assumption of Mary
All Saints' Day
Armistice Day
Christmas Day
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
 ‹ 1666
1667
1668 › 
# Date Public holiday
1Saturday, 1 January 1667 New Year's Day
2Monday, 11 April 1667 Easter Monday
3Sunday, 1 May 1667 Labor Day
4Sunday, 8 May 1667 Iris Day
5Thursday, 19 May 1667 Ascension Day
6Monday, 30 May 1667 Pentecost Monday
7Thursday, 21 July 1667 National Day
8Monday, 15 August 1667 Assumption of Mary
9Tuesday, 1 November 1667 All Saints' Day
10Friday, 11 November 1667 Armistice Day
11Sunday, 25 December 1667 Christmas Day