Below are listed Public Holidays for the January 2009-December 2010 period.

2009
1 Jan New Year's Day.
6 Jan Epiphany.
14 Mar Constitution Day. 
10-13 Apr Easter.
1 May Labour Day.
21 May Ascension. 
1 Jun Whit Monday.
24 Jun St John's Day.
15 Aug Assumption of the Blessed Virgin.
8 Sep National Day.
1 Nov All Saints' Day.
4 Nov St Charles' Day.
8 Dec Immaculate Conception.
24 Dec Christmas Eve.
25-26 Dec Christmas.
31 Dec New Year's Eve

2010
1 Jan New Year's Day.
6 Jan Epiphany.
14 Mar Constitution Day. 
2-5 Apr Easter.
1 May Labour Day.
1 May Ascension. 
24 May Whit Monday.
24 Jun St John's Day.
15 Aug Assumption of the Blessed Virgin.
8 Sep National Day.
1 Nov All Saints' Day.
4 Nov St Charles' Day.
8 Dec Immaculate Conception.
24 Dec Christmas Eve.
25-26 Dec Christmas.
31 Dec New Year's Eve.

In July, August and September, parishes have their own public holidays, during which festivals are held.