New Year's Day
Maundy Thursday
Good Friday
Labour Day
Saint Peter and Saint Paul
Independence Day
Independence Day
Saint Rose of Lima
Battle of Angamos
All Saints' Day
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
2Thursday, 23 March 1780 Maundy Thursday
3Friday, 24 March 1780 Good Friday
4Monday, 1 May 1780 Labour Day
5Thursday, 29 June 1780 Saint Peter and Saint Paul
6Friday, 28 July 1780 Independence Day
7Saturday, 29 July 1780 Independence Day
8Wednesday, 30 August 1780 Saint Rose of Lima
9Sunday, 8 October 1780 Battle of Angamos
10Wednesday, 1 November 1780 All Saints' Day
11Friday, 8 December 1780 Immaculate Conception
12Monday, 25 December 1780 Christmas Day