How many working days in year 1987?
Here is the detail of the calculation:
Because 1987 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 13 public holidays that do not fall during a weekend and we obtain 248 working days in 1987.
Here is the list of these 13 public holidays:
1. Año Nuevo : Thursday, 1 January, 1987
2. Jueves Santo : Thursday, 16 April, 1987
3. Viernes Santo : Friday, 17 April, 1987
4. Día del Trabajo : Friday, 1 May, 1987
5. Día de San Pedro y San Pablo : Monday, 29 June, 1987
6. Día de la Fuerza Aérea : Thursday, 23 July, 1987
7. Día de la Independencia : Tuesday, 28 July, 1987
8. Día de la Independencia : Wednesday, 29 July, 1987
9. Batalla de Junin : Thursday, 6 August, 1987
10. Combate de Angamos : Thursday, 8 October, 1987
11. Día de la Inmaculada Concepción : Tuesday, 8 December, 1987
12. Batalla de Ayacucho : Wednesday, 9 December, 1987
13. Navidad : Friday, 25 December, 1987
And here are the 3 public holidays falling on a weekend:
1. Batalla de Arica y Día de la Bandera : Sunday, 7 June, 1987
2. Día de Santa Rosa de Lima : Sunday, 30 August, 1987
3. Día de Todos los Santos : Sunday, 1 November, 1987