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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  September
  October
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1664
1665 › 
# Date Public holiday
1Tuesday, 1 January 1664 New Year's Day
2Thursday, 10 April 1664 Maundy Thursday
3Friday, 11 April 1664 Good Friday
4Thursday, 1 May 1664 Labour Day
5Sunday, 25 May 1664 May Revolution Day
6Monday, 16 June 1664 Flag Day
7Wednesday, 9 July 1664 Independence Day
8Monday, 18 August 1664 General José de San Martín Memorial Day
9Sunday, 12 October 1664 Day of Respect for Cultural Diversity
10Monday, 8 December 1664 Immaculate Conception
11Thursday, 25 December 1664 Christmas Day