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How many working days in year 2058?
Here is the detail of the calculation:
Because 2058 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 2058.
 Here is the list of these 9 public holidays: 
 
 1. Confraternização Universal : вівторок, 1 січень, 2058 
2. Terça-feira de Carnaval : вівторок, 26 лютий, 2058 
3. Sexta Feira Santa ou Paixão de Cristo  : п'ятниця, 12 квітень, 2058 
4. Dia do Trabalho : середа, 1 травень, 2058 
5. Corpus Christi : четвер, 13 червень, 2058 
6. Mártires de Cunhaú e Uruaçu : четвер, 3 жовтень, 2058 
7. Proclamação da República Brasileira : п'ятниця, 15 листопад, 2058 
8. Dia Nacional de Zumbi e da Consciência Negra : середа, 20 листопад, 2058 
9. Natal : середа, 25 грудень, 2058 
And here are the 4 public holidays falling on a weekend:
1. Tiradentes : неділя, 21 квітень, 2058 
2. Independência do Brasil : субота, 7 вересень, 2058 
3. Nossa Senhora Aparecida : субота, 12 жовтень, 2058 
4. Finados : субота, 2 листопад, 2058