New Year's Day
Good Friday
Labour Day
May Revolution Day
Flag Day
Independence Day
General José de San Martín Memorial Day
Day of Respect for Cultural Diversity
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
3Monday, 1 May 1780 Labour Day
4Thursday, 25 May 1780 May Revolution Day
5Monday, 19 June 1780 Flag Day
6Sunday, 9 July 1780 Independence Day
7Monday, 21 August 1780 General José de San Martín Memorial Day
8Monday, 16 October 1780 Day of Respect for Cultural Diversity
9Friday, 8 December 1780 Immaculate Conception
10Monday, 25 December 1780 Christmas Day