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
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 ‹ 1839
1840
1841 › 
# Date Public holiday
1Wednesday, 1 January 1840 New Year's Day
2Friday, 17 April 1840 Good Friday
3Friday, 1 May 1840 Labour Day
4Monday, 25 May 1840 May Revolution Day
5Monday, 15 June 1840 Flag Day
6Thursday, 9 July 1840 Independence Day
7Monday, 17 August 1840 General José de San Martín Memorial Day
8Monday, 12 October 1840 Day of Respect for Cultural Diversity
9Tuesday, 8 December 1840 Immaculate Conception
10Friday, 25 December 1840 Christmas Day