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How many working days in year 2050?
Here is the detail of the calculation:
Because 2050 is not a leap year, it has 365 days.
Let's remove 53 saturdays and 52 sundays. It remains 260 days.
Now, let's remove 7 public holidays that do not fall during a weekend and we obtain 253 working days in 2050.
 Here is the list of these 7 public holidays: 
 
 1. Epifanía del Señor : четвер, 6 січень, 2050 
2. Viernes Santo : п'ятниця, 8 квітень, 2050 
3. Asuncíon de la Virgen : понеділок, 15 серпень, 2050 
4. Fiesta nacional de España : середа, 12 жовтень, 2050 
5. Todos los Santos : вівторок, 1 листопад, 2050 
6. Día de la Constitución Española : вівторок, 6 грудень, 2050 
7. Immaculada Concepcíon : четвер, 8 грудень, 2050 
And here are the 3 public holidays falling on a weekend:
1. Año Nuevo : субота, 1 січень, 2050 
2. Fiesta del Trabajo : неділя, 1 травень, 2050 
3. Día de Navidad : неділя, 25 грудень, 2050