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 8 public holidays that do not fall during a weekend and we obtain 253 working days in 1981.
Here is the list of these 8 public holidays:
1. Año Nuevo : Thursday, 1 January, 1981
2. Día de la Constitución : Monday, 2 February, 1981
3. Natalicio de Benito Juárez : Monday, 16 March, 1981
4. Viernes Santo : Friday, 17 April, 1981
5. Día del Trabajo : Friday, 1 May, 1981
6. Día de la Independencia : Wednesday, 16 September, 1981
7. Día de la Revolución : Monday, 16 November, 1981
8. Navidad : Friday, 25 December, 1981