Define a period

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How many working days in year 1933?

Here is the detail of the calculation:

Because 1933 is not a leap year, it has 365 days.

Let's remove 52 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 1933.

Here is the list of these 11 public holidays:

1. Sexta-Feira Santa : Friday, 14 April, 1933
2. Dia da Liberdade : Tuesday, 25 April, 1933
3. Dia do Trabalhador : Monday, 1 May, 1933
4. Corpo de Deus : Thursday, 15 June, 1933
5. Dia de São Pedro : Thursday, 29 June, 1933
6. Assunção de Nossa Senhora : Tuesday, 15 August, 1933
7. Implantação da República : Thursday, 5 October, 1933
8. Todos os Santos : Wednesday, 1 November, 1933
9. Restauração da Independência : Friday, 1 December, 1933
10. Dia da Imaculada Conceição : Friday, 8 December, 1933
11. Natal : Monday, 25 December, 1933

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

1. Solenidade da Santa Mãe de Deus : Sunday, 1 January, 1933
2. Páscoa : Sunday, 16 April, 1933
3. Dia de Portugal : Saturday, 10 June, 1933