New Year's Day
Saint Joseph's Day
Good Friday
Freedom Day
Labour Day
Portugal Day
Corpus Christi
Assumption of Mary
Republic Day
All Saints' Day
Restoration of Independence
Immaculate Conception
Christmas Day
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
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1666
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# Date Public holiday
1Friday, 1 January 1666 New Year's Day
2Friday, 19 March 1666 Saint Joseph's Day
3Friday, 16 April 1666 Good Friday
4Sunday, 25 April 1666 Freedom Day
5Saturday, 1 May 1666 Labour Day
6Thursday, 10 June 1666 Portugal Day
7Thursday, 17 June 1666 Corpus Christi
8Sunday, 15 August 1666 Assumption of Mary
9Tuesday, 5 October 1666 Republic Day
10Monday, 1 November 1666 All Saints' Day
11Wednesday, 1 December 1666 Restoration of Independence
12Wednesday, 8 December 1666 Immaculate Conception
13Saturday, 25 December 1666 Christmas Day