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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 ‹ 1589
1590
1591 › 
# Date Public holiday
1Monday, 1 January 1590 New Year's Day
2Thursday, 19 April 1590 Maundy Thursday
3Friday, 20 April 1590 Good Friday
4Tuesday, 1 May 1590 Labour Day
5Friday, 25 May 1590 May Revolution Day
6Monday, 18 June 1590 Flag Day
7Monday, 9 July 1590 Independence Day
8Monday, 20 August 1590 General José de San Martín Memorial Day
9Monday, 15 October 1590 Day of Respect for Cultural Diversity
10Saturday, 8 December 1590 Immaculate Conception
11Tuesday, 25 December 1590 Christmas Day