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How many working days in year 1960?

Here is the detail of the calculation:

Because 1960 is a leap year, it has 366 days.

Let's remove 53 saturdays and 52 sundays. It remains 261 days.

Now, let's remove 11 public holidays that do not fall during a weekend and we obtain 250 working days in 1960.

Here is the list of these 11 public holidays:

1. Confraternização Universal : пятница, 1 январь, 1960
2. Terça-feira de Carnaval : вторник, 1 март, 1960
3. Data magna do estado Ceará : пятница, 25 март, 1960
4. Sexta Feira Santa ou Paixão de Cristo : пятница, 15 апрель, 1960
5. Tiradentes : четверг, 21 апрель, 1960
6. Corpus Christi : четверг, 16 июнь, 1960
7. Independência do Brasil : среда, 7 сентябрь, 1960
8. Criação do Território Federal : вторник, 13 сентябрь, 1960
9. Nossa Senhora Aparecida : среда, 12 октябрь, 1960
10. Finados : среда, 2 ноябрь, 1960
11. Proclamação da República Brasileira : вторник, 15 ноябрь, 1960

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

1. Dia de São José : суббота, 19 март, 1960
2. Dia do Trabalho : воскресенье, 1 май, 1960
3. Natal : воскресенье, 25 декабрь, 1960