Define a period

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How many working days in year 1942?

Here is the detail of the calculation:

Because 1942 is not a leap year, it has 365 days.

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

Now, let's remove 18 public holidays that do not fall during a weekend and we obtain 243 working days in 1942.

Here is the list of these 18 public holidays:

1. Año Nuevo : Thursday, 1 January, 1942
2. Día de los Reyes Magos : Monday, 12 January, 1942
3. Día de San José : Monday, 23 March, 1942
4. Jueves Santo : Thursday, 2 April, 1942
5. Viernes Santo : Friday, 3 April, 1942
6. Primero de Mayo : Friday, 1 May, 1942
7. La Ascensión del Señor : Monday, 18 May, 1942
8. Corpus Christi : Monday, 8 June, 1942
9. El Sagrado Corazón de Jesús : Monday, 15 June, 1942
10. San Pedro y San Pablo : Monday, 29 June, 1942
11. Grito de Independencia : Monday, 20 July, 1942
12. Batalla de Boyaca : Friday, 7 August, 1942
13. La Asunción de la Virgen : Monday, 17 August, 1942
14. Día de la Raza : Monday, 12 October, 1942
15. Día de Todos los Santos : Monday, 2 November, 1942
16. Independencia de Cartagena : Monday, 16 November, 1942
17. Día de la Inmaculada Concepción : Tuesday, 8 December, 1942
18. Navidad : Friday, 25 December, 1942

And here is the public holiday falling on a weekend:

1. Domingo de Pascua : Sunday, 5 April, 1942