How many working days in year 1990?
Here is the detail of the calculation:
Because 1990 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 1990.
Here is the list of these 10 public holidays:
1. Año Nuevo : Monday, 1 January, 1990
2. Lunes de Carnaval : Monday, 26 February, 1990
3. Martes de Carnaval : Tuesday, 27 February, 1990
4. Viernes Santo : Friday, 13 April, 1990
5. Día del Trabajo : Monday, 30 April, 1990
6. Batalla de Pichincha : Friday, 25 May, 1990
7. Primer Grito de la Independencia : Friday, 10 August, 1990
8. Independencia de Guayaquil : Monday, 8 October, 1990
9. Día de los Difuntos : Friday, 2 November, 1990
10. Navidad : Tuesday, 25 December, 1990