New Year's Day
Good Friday
Freedom Day
Labour Day
Corpus Christi
Portugal Day
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
 ‹ 1779
1780
1781 › 
# Date Public holiday
1Saturday, 1 January 1780 New Year's Day
2Friday, 24 March 1780 Good Friday
3Tuesday, 25 April 1780 Freedom Day
4Monday, 1 May 1780 Labour Day
5Thursday, 25 May 1780 Corpus Christi
6Saturday, 10 June 1780 Portugal Day
7Tuesday, 15 August 1780 Assumption of Mary
8Thursday, 5 October 1780 Republic Day
9Wednesday, 1 November 1780 All Saints' Day
10Friday, 1 December 1780 Restoration of Independence
11Friday, 8 December 1780 Immaculate Conception
12Monday, 25 December 1780 Christmas Day