How many working days in year 1981?
Here is the detail of the calculation:
Because 1981 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 10 public holidays that do not fall during a weekend and we obtain 251 working days in 1981.
Here is the list of these 10 public holidays:
1. Año Nuevo : Thursday, 1 January, 1981
2. Jueves Santo : Thursday, 16 April, 1981
3. Viernes Santo : Friday, 17 April, 1981
4. Día del Trabajo : Friday, 1 May, 1981
5. Día del Ejército : Monday, 29 June, 1981
6. Día de la Independencia : Tuesday, 15 September, 1981
7. Día de la Revolución : Tuesday, 20 October, 1981
8. Noche Buena : Thursday, 24 December, 1981
9. Navidad : Friday, 25 December, 1981
10. Víspera de Año Nuevo : Thursday, 31 December, 1981
And here are the 2 public holidays falling on a weekend:
1. Sábado Santo : Saturday, 18 April, 1981
2. Día de Todos los Santos : Sunday, 1 November, 1981