How many working days in year 1972?
Here is the detail of the calculation:
Because 1972 is a leap year, it has 366 days.
Let's remove 53 saturdays and 53 sundays. It remains 260 days.
Now, let's remove 11 public holidays that do not fall during a weekend and we obtain 249 working days in 1972.
Here is the list of these 11 public holidays:
1. Terça-feira de Carnaval : вторник, 15 февраль, 1972
2. Sexta Feira Santa ou Paixão de Cristo : пятница, 31 март, 1972
3. Tiradentes : пятница, 21 апрель, 1972
4. Dia do Trabalho : понедельник, 1 май, 1972
5. Corpus Christi : четверг, 1 июнь, 1972
6. Independência do Brasil : четверг, 7 сентябрь, 1972
7. Proclamação da República Rio-Grandense : среда, 20 сентябрь, 1972
8. Nossa Senhora Aparecida : четверг, 12 октябрь, 1972
9. Finados : четверг, 2 ноябрь, 1972
10. Proclamação da República Brasileira : среда, 15 ноябрь, 1972
11. Natal : понедельник, 25 декабрь, 1972
And here is the public holiday falling on a weekend:
1. Confraternização Universal : суббота, 1 январь, 1972