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 9 public holidays that do not fall during a weekend and we obtain 252 working days in 1990.
Here is the list of these 9 public holidays:
1. Año Nuevo : Monday, 1 January, 1990
2. Jueves Santo : Thursday, 12 April, 1990
3. Viernes Santo : Friday, 13 April, 1990
4. Día del Trabajo : Tuesday, 1 May, 1990
5. Día del Ejército : Monday, 2 July, 1990
6. Día de Todos los Santos : Thursday, 1 November, 1990
7. Noche Buena : Monday, 24 December, 1990
8. Navidad : Tuesday, 25 December, 1990
9. Víspera de Año Nuevo : Monday, 31 December, 1990
And here are the 3 public holidays falling on a weekend:
1. Sábado Santo : Saturday, 14 April, 1990
2. Día de la Independencia : Saturday, 15 September, 1990
3. Día de la Revolución : Saturday, 20 October, 1990
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