New Year's Day
Epiphany
Saint Joseph's Day
Maundy Thursday
Good Friday
Easter Monday
Labour Day
Labour substitute
Saint John's Day
Assumption
Valencian Day
All Saints' Day
Constitution Day
Immaculate Concep.
Christmas Day
Christmas substitute
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
 ‹ 1576
1577
1578 › 
# Date Public holiday
1Saturday, 1 January 1577 New Year's Day
2Thursday, 6 January 1577 Epiphany of the Lord
3Saturday, 19 March 1577 Saint Joseph's Day
4Thursday, 14 April 1577 Maundy Thursday
5Friday, 15 April 1577 Good Friday
6Monday, 18 April 1577 Easter Monday
7Sunday, 1 May 1577 Labour Day
8Monday, 2 May 1577 Monday following Labour Day/Day of the Community of Madrid / Monday following Labour Day
9Friday, 24 June 1577 Saint John's Day
10Monday, 15 August 1577 Assumption of the Virgin Mary
11Sunday, 9 October 1577 Day of the Valencian Community
12Tuesday, 1 November 1577 All Saints' Day
13Tuesday, 6 December 1577 Spanish Constitution Day
14Thursday, 8 December 1577 Immaculate Conception
15Sunday, 25 December 1577 Nativity of the Lord
16Monday, 26 December 1577 Monday following Christmas Day/Saint Stephen’s Day — Second Day of Christmas / Monday following Christmas Day