Define a period

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How many working days in year 2004?

Here is the detail of the calculation:

Because 2004 is a leap year, it has 366 days.

Let's remove 52 saturdays and 52 sundays. It remains 262 days.

Now, let's remove 13 public holidays that do not fall during a weekend and we obtain 249 working days in 2004.

Here is the list of these 13 public holidays:

1. Año Nuevo : Thursday, 1 January, 2004
2. Lunes de Carnaval : Monday, 23 February, 2004
3. Martes de Carnaval : Tuesday, 24 February, 2004
4. Día Nacional de la Memoria por la Verdad y la Justicia : Wednesday, 24 March, 2004
5. Día del Veterano y de los Caídos en la Guerra de Malvinas : Friday, 2 April, 2004
6. Jueves Santo : Thursday, 8 April, 2004
7. Viernes Santo : Friday, 9 April, 2004
8. Día de la Revolución de Mayo : Tuesday, 25 May, 2004
9. Día de la Independencia : Friday, 9 July, 2004
10. Día del Paso a la Inmortalidad del General José de San Martín : Monday, 16 August, 2004
11. Día del Respeto a la Diversidad Cultural : Monday, 11 October, 2004
12. Día de la Soberanía Nacional : Monday, 22 November, 2004
13. Día de la Inmaculada Concepción : Wednesday, 8 December, 2004

And here are the 3 public holidays falling on a weekend:

1. Día Internacional de los Trabajadores : Saturday, 1 May, 2004
2. Conmemoración de la muerte del General Manuel Belgrano : Sunday, 20 June, 2004
3. Navidad : Saturday, 25 December, 2004