New Year's Day
Easter Monday
Labor Day
Iris Day
Ascension Day
Pentecost Monday
National Day
Assumption of Mary
All Saints' Day
Armistice Day
Christmas Day
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
 ‹ 1579
1580
1581 › 
# Date Public holiday
1Tuesday, 1 January 1580 New Year's Day
2Monday, 14 April 1580 Easter Monday
3Thursday, 1 May 1580 Labor Day
4Thursday, 8 May 1580 Iris Day
5Thursday, 22 May 1580 Ascension Day
6Monday, 2 June 1580 Pentecost Monday
7Monday, 21 July 1580 National Day
8Friday, 15 August 1580 Assumption of Mary
9Saturday, 1 November 1580 All Saints' Day
10Tuesday, 11 November 1580 Armistice Day
11Thursday, 25 December 1580 Christmas Day