Define a period

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How many working days in year 1956?

Here is the detail of the calculation:

Because 1956 is a leap year, it has 366 days.

Let's remove 52 saturdays and 53 sundays. It remains 261 days.

Now, let's remove 13 public holidays that do not fall during a weekend and we obtain 248 working days in 1956.

Here is the list of these 13 public holidays:

1. Lunes de Carnaval : Monday, 13 February, 1956
2. Martes de Carnaval : Tuesday, 14 February, 1956
3. Jueves Santo : Thursday, 29 March, 1956
4. Viernes Santo : Friday, 30 March, 1956
5. Día del Veterano y de los Caídos en la Guerra de Malvinas : Monday, 2 April, 1956
6. Día Internacional de los Trabajadores : Tuesday, 1 May, 1956
7. Día de la Revolución de Mayo : Friday, 25 May, 1956
8. Conmemoración de la muerte del General Manuel Belgrano : Wednesday, 20 June, 1956
9. Día de la Independencia : Monday, 9 July, 1956
10. Día del Paso a la Inmortalidad del General José de San Martín : Monday, 20 August, 1956
11. Día del Respeto a la Diversidad Cultural : Monday, 15 October, 1956
12. Día de la Soberanía Nacional : Monday, 19 November, 1956
13. Navidad : Tuesday, 25 December, 1956

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

1. Año Nuevo : Sunday, 1 January, 1956
2. Día Nacional de la Memoria por la Verdad y la Justicia : Saturday, 24 March, 1956
3. Día de la Inmaculada Concepción : Saturday, 8 December, 1956