How many working days in year 1997?
Here is the detail of the calculation:
Because 1997 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 8 public holidays that do not fall during a weekend and we obtain 253 working days in 1997.
Here is the list of these 8 public holidays:
1. Confraternização Universal : среда, 1 январь, 1997
2. Terça-feira de Carnaval : вторник, 11 февраль, 1997
3. Sexta Feira Santa ou Paixão de Cristo : пятница, 28 март, 1997
4. Tiradentes : понедельник, 21 апрель, 1997
5. Dia do Trabalho : четверг, 1 май, 1997
6. Corpus Christi : четверг, 29 май, 1997
7. Revolução constitucionalista : среда, 9 июль, 1997
8. Natal : четверг, 25 декабрь, 1997
And here are the 5 public holidays falling on a weekend:
1. Aniversário de São Paulo : суббота, 25 январь, 1997
2. Independência do Brasil : воскресенье, 7 сентябрь, 1997
3. Nossa Senhora Aparecida : воскресенье, 12 октябрь, 1997
4. Finados : воскресенье, 2 ноябрь, 1997
5. Proclamação da República Brasileira : суббота, 15 ноябрь, 1997