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How many working days in year 1985?

Here is the detail of the calculation:

Because 1985 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 7 public holidays that do not fall during a weekend and we obtain 254 working days in 1985.

Here is the list of these 7 public holidays:

1. Confraternização Universal : вторник, 1 январь, 1985
2. Terça-feira de Carnaval : вторник, 19 февраль, 1985
3. Sexta Feira Santa ou Paixão de Cristo : пятница, 5 апрель, 1985
4. Dia do Trabalho : среда, 1 май, 1985
5. Corpus Christi : четверг, 6 июнь, 1985
6. Proclamação da República Brasileira : пятница, 15 ноябрь, 1985
7. Natal : среда, 25 декабрь, 1985

And here are the 4 public holidays falling on a weekend:

1. Tiradentes : воскресенье, 21 апрель, 1985
2. Independência do Brasil : суббота, 7 сентябрь, 1985
3. Nossa Senhora Aparecida : суббота, 12 октябрь, 1985
4. Finados : суббота, 2 ноябрь, 1985