New Year's Day
Maundy Thursday
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
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 ‹ 1780
1781
1782 › 
# Date Public holiday
1Monday, 1 January 1781 New Year's Day
2Thursday, 12 April 1781 Maundy Thursday
3Friday, 13 April 1781 Good Friday
4Tuesday, 1 May 1781 Labour Day
5Friday, 25 May 1781 May Revolution Day
6Monday, 18 June 1781 Flag Day
7Monday, 9 July 1781 Independence Day
8Monday, 20 August 1781 General José de San Martín Memorial Day
9Monday, 15 October 1781 Day of Respect for Cultural Diversity
10Saturday, 8 December 1781 Immaculate Conception
11Tuesday, 25 December 1781 Christmas Day