How many working days in year 1980?
Here is the detail of the calculation:
Because 1980 is a leap year, it has 366 days.
Let's remove 52 saturdays and 52 sundays. It remains 262 days.
Now, let's remove 7 public holidays that do not fall during a weekend and we obtain 255 working days in 1980.
Here is the list of these 7 public holidays:
1. Confraternização Universal : вторник, 1 январь, 1980
2. Terça-feira de Carnaval : вторник, 19 февраль, 1980
3. Sexta Feira Santa ou Paixão de Cristo : пятница, 4 апрель, 1980
4. Tiradentes : понедельник, 21 апрель, 1980
5. Dia do Trabalho : четверг, 1 май, 1980
6. Corpus Christi : четверг, 5 июнь, 1980
7. Natal : четверг, 25 декабрь, 1980
And here are the 4 public holidays falling on a weekend:
1. Independência do Brasil : воскресенье, 7 сентябрь, 1980
2. Nossa Senhora Aparecida : воскресенье, 12 октябрь, 1980
3. Finados : воскресенье, 2 ноябрь, 1980
4. Proclamação da República Brasileira : суббота, 15 ноябрь, 1980
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