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How many working days in year 1916?

Here is the detail of the calculation:

Because 1916 is a leap year, it has 366 days.

Let's remove 53 saturdays and 53 sundays. It remains 260 days.

Now, let's remove 10 public holidays that do not fall during a weekend and we obtain 250 working days in 1916.

Here is the list of these 10 public holidays:

1. Sexta-Feira Santa : пятница, 21 апрель, 1916
2. Dia da Liberdade : вторник, 25 апрель, 1916
3. Dia do Trabalhador : понедельник, 1 май, 1916
4. Corpo de Deus : четверг, 22 июнь, 1916
5. Assunção de Nossa Senhora : вторник, 15 август, 1916
6. Implantação da República : четверг, 5 октябрь, 1916
7. Todos os Santos : среда, 1 ноябрь, 1916
8. Restauração da Independência : пятница, 1 декабрь, 1916
9. Dia da Imaculada Conceição : пятница, 8 декабрь, 1916
10. Natal : понедельник, 25 декабрь, 1916

And here are the 3 public holidays falling on a weekend:

1. Solenidade da Santa Mãe de Deus : суббота, 1 январь, 1916
2. Páscoa : воскресенье, 23 апрель, 1916
3. Dia de Portugal : суббота, 10 июнь, 1916