How many working days in year 1901?
Here is the detail of the calculation:
Because 1901 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 1901.
Here is the list of these 9 public holidays:
1. Solenidade da Santa Mãe de Deus : вторник, 1 январь, 1901
2. Sexta-Feira Santa : пятница, 5 апрель, 1901
3. Dia da Liberdade : четверг, 25 апрель, 1901
4. Dia do Trabalhador : среда, 1 май, 1901
5. Corpo de Deus : четверг, 6 июнь, 1901
6. Dia de Portugal : понедельник, 10 июнь, 1901
7. Assunção de Nossa Senhora : четверг, 15 август, 1901
8. Todos os Santos : пятница, 1 ноябрь, 1901
9. Natal : среда, 25 декабрь, 1901
And here are the 4 public holidays falling on a weekend:
1. Páscoa : воскресенье, 7 апрель, 1901
2. Implantação da República : суббота, 5 октябрь, 1901
3. Restauração da Independência : воскресенье, 1 декабрь, 1901
4. Dia da Imaculada Conceição : воскресенье, 8 декабрь, 1901