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How many working days in year 2022?
Here is the detail of the calculation:
Because 2022 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 9 public holidays that do not fall during a weekend and we obtain 251 working days in 2022.
 Here is the list of these 9 public holidays: 
 
 1. Sexta-Feira Santa : п'ятниця, 15 квітень, 2022 
2. Dia da Liberdade : понеділок, 25 квітень, 2022 
3. Dia de Portugal, de Camões e das Comunidades Portuguesas : п'ятниця, 10 червень, 2022 
4. Corpo de Deus : четвер, 16 червень, 2022 
5. Assunção de Nossa Senhora : понеділок, 15 серпень, 2022 
6. Implantação da República : середа, 5 жовтень, 2022 
7. Todos os Santos : вівторок, 1 листопад, 2022 
8. Restauração da Independência : четвер, 1 грудень, 2022 
9. Dia da Imaculada Conceição : четвер, 8 грудень, 2022 
And here are the 5 public holidays falling on a weekend:
1. Solenidade da Santa Mãe de Deus : субота, 1 січень, 2022 
2. Dia de São José : субота, 19 березень, 2022 
3. Páscoa : неділя, 17 квітень, 2022 
4. Dia do Trabalhador : неділя, 1 травень, 2022 
5. Natal : неділя, 25 грудень, 2022