How many working days in year 1917?
Here is the detail of the calculation:
Because 1917 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 12 public holidays that do not fall during a weekend and we obtain 249 working days in 1917.
Here is the list of these 12 public holidays:
1. Confraternização Universal : понедельник, 1 январь, 1917
2. Terça-feira de Carnaval : вторник, 20 февраль, 1917
3. Dia de São José : понедельник, 19 март, 1917
4. Sexta Feira Santa ou Paixão de Cristo : пятница, 6 апрель, 1917
5. Dia do Trabalho : вторник, 1 май, 1917
6. Corpus Christi : четверг, 7 июнь, 1917
7. Independência do Brasil : пятница, 7 сентябрь, 1917
8. Criação do Território Federal : четверг, 13 сентябрь, 1917
9. Nossa Senhora Aparecida : пятница, 12 октябрь, 1917
10. Finados : пятница, 2 ноябрь, 1917
11. Proclamação da República Brasileira : четверг, 15 ноябрь, 1917
12. Natal : вторник, 25 декабрь, 1917
And here are the 2 public holidays falling on a weekend:
1. Data magna do estado Ceará : воскресенье, 25 март, 1917
2. Tiradentes : суббота, 21 апрель, 1917