How many working days in year 1980?
Here is the detail of the calculation:
Because 1980 is a leap year, it has 366 days.
Let's remove 52 saturdays and 52 sundays. It remains 262 days.
Now, let's remove 11 public holidays that do not fall during a weekend and we obtain 251 working days in 1980.
Here is the list of these 11 public holidays:
1. Año Nuevo : Tuesday, 1 January, 1980
2. Lunes de Carnaval : Monday, 18 February, 1980
3. Martes de Carnaval : Tuesday, 19 February, 1980
4. Jueves Santo : Thursday, 3 April, 1980
5. Viernes Santo : Friday, 4 April, 1980
6. Día Internacional de los Trabajadores : Thursday, 1 May, 1980
7. Batalla de Carabobo : Tuesday, 24 June, 1980
8. Natalicio del libertador Simón Bolívar : Thursday, 24 July, 1980
9. Nochebuena : Wednesday, 24 December, 1980
10. Navidad : Thursday, 25 December, 1980
11. Nochevieja : Wednesday, 31 December, 1980
And here are the 5 public holidays falling on a weekend:
1. Declaración de la Independencia : Saturday, 19 April, 1980
2. Celebración de la constitución de un primer gobierno dentro del proceso de independencia nacional iniciado en la Revolución de Mayo. : Sunday, 25 May, 1980
3. Día de San Pedro y San Pablo : Sunday, 29 June, 1980
4. Conmemora de la Declaración de independencia nacional de Venezuela (5 de julio de 1811) : Saturday, 5 July, 1980
5. Día de la Resistencia Indígena : Sunday, 12 October, 1980