How many working days in year 1921?
Here is the detail of the calculation:
Because 1921 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 1921.
Here is the list of these 9 public holidays:
1. Aniversário de São Paulo : вторник, 25 январь, 1921
2. Terça-feira de Carnaval : вторник, 8 февраль, 1921
3. Sexta Feira Santa ou Paixão de Cristo : пятница, 25 март, 1921
4. Tiradentes : четверг, 21 апрель, 1921
5. Corpus Christi : четверг, 26 май, 1921
6. Independência do Brasil : среда, 7 сентябрь, 1921
7. Nossa Senhora Aparecida : среда, 12 октябрь, 1921
8. Finados : среда, 2 ноябрь, 1921
9. Proclamação da República Brasileira : вторник, 15 ноябрь, 1921
And here are the 4 public holidays falling on a weekend:
1. Confraternização Universal : суббота, 1 январь, 1921
2. Dia do Trabalho : воскресенье, 1 май, 1921
3. Revolução constitucionalista : суббота, 9 июль, 1921
4. Natal : воскресенье, 25 декабрь, 1921