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How many working days in year 1944?

Here is the detail of the calculation:

Because 1944 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 1944.

Here is the list of these 11 public holidays:

1. Terça-feira de Carnaval : вторник, 22 февраль, 1944
2. Sexta Feira Santa ou Paixão de Cristo : пятница, 7 апрель, 1944
3. Tiradentes : пятница, 21 апрель, 1944
4. Dia do Trabalho : понедельник, 1 май, 1944
5. Corpus Christi : четверг, 8 июнь, 1944
6. Independência do Brasil : четверг, 7 сентябрь, 1944
7. Criação do estado Mato Grosso do Sul : среда, 11 октябрь, 1944
8. Nossa Senhora Aparecida : четверг, 12 октябрь, 1944
9. Finados : четверг, 2 ноябрь, 1944
10. Proclamação da República Brasileira : среда, 15 ноябрь, 1944
11. Natal : понедельник, 25 декабрь, 1944

And here is the public holiday falling on a weekend:

1. Confraternização Universal : суббота, 1 январь, 1944