How many working days in year 1957?
Here is the detail of the calculation:
Because 1957 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 1957.
Here is the list of these 9 public holidays:
1. Solenidade da Santa Mãe de Deus : вторник, 1 январь, 1957
2. Sexta-Feira Santa : пятница, 19 апрель, 1957
3. Dia da Liberdade : четверг, 25 апрель, 1957
4. Dia do Trabalhador : среда, 1 май, 1957
5. Dia de Portugal : понедельник, 10 июнь, 1957
6. Corpo de Deus : четверг, 20 июнь, 1957
7. Assunção de Nossa Senhora : четверг, 15 август, 1957
8. Todos os Santos : пятница, 1 ноябрь, 1957
9. Natal : среда, 25 декабрь, 1957
And here are the 5 public holidays falling on a weekend:
1. Páscoa : воскресенье, 21 апрель, 1957
2. Dia de São Pedro : суббота, 29 июнь, 1957
3. Implantação da República : суббота, 5 октябрь, 1957
4. Restauração da Independência : воскресенье, 1 декабрь, 1957
5. Dia da Imaculada Conceição : воскресенье, 8 декабрь, 1957