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How many working days in year 2027?
Here is the detail of the calculation:
Because 2027 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 11 public holidays that do not fall during a weekend and we obtain 250 working days in 2027.
 Here is the list of these 11 public holidays: 
 
 1. Confraternização Universal : п'ятниця, 1 січень, 2027 
2. Criação do estado Rondônia : понеділок, 4 січень, 2027 
3. Terça-feira de Carnaval : вівторок, 9 лютий, 2027 
4. Sexta Feira Santa ou Paixão de Cristo  : п'ятниця, 26 березень, 2027 
5. Tiradentes : середа, 21 квітень, 2027 
6. Corpus Christi : четвер, 27 травень, 2027 
7. Dia do evangélico : п'ятниця, 18 червень, 2027 
8. Independência do Brasil : вівторок, 7 вересень, 2027 
9. Nossa Senhora Aparecida : вівторок, 12 жовтень, 2027 
10. Finados : вівторок, 2 листопад, 2027 
11. Proclamação da República Brasileira : понеділок, 15 листопад, 2027 
And here are the 3 public holidays falling on a weekend:
1. Dia do Trabalho : субота, 1 травень, 2027 
2. Dia Nacional de Zumbi e da Consciência Negra : субота, 20 листопад, 2027 
3. Natal : субота, 25 грудень, 2027