How many working days in year 1971?
Here is the detail of the calculation:
Because 1971 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 9 public holidays that do not fall during a weekend and we obtain 252 working days in 1971.
Here is the list of these 9 public holidays:
1. Año Nuevo : Friday, 1 January, 1971
2. Jueves Santo : Thursday, 8 April, 1971
3. Viernes Santo : Friday, 9 April, 1971
4. Día del Ejército : Monday, 28 June, 1971
5. Día de la Independencia : Wednesday, 15 September, 1971
6. Día de la Revolución : Wednesday, 20 October, 1971
7. Día de Todos los Santos : Monday, 1 November, 1971
8. Noche Buena : Friday, 24 December, 1971
9. Víspera de Año Nuevo : Friday, 31 December, 1971
And here are the 3 public holidays falling on a weekend:
1. Sábado Santo : Saturday, 10 April, 1971
2. Día del Trabajo : Saturday, 1 May, 1971
3. Navidad : Saturday, 25 December, 1971