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How many working days in year 1957?

Here is the detail of the calculation:

Because 1957 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 8 public holidays that do not fall during a weekend and we obtain 253 working days in 1957.

Here is the list of these 8 public holidays:

1. Capodanno : вторник, 1 январь, 1957
2. Lunedì di Pasqua : понедельник, 22 апрель, 1957
3. Anniversario Liberazione : четверг, 25 апрель, 1957
4. Festa del lavoro : среда, 1 май, 1957
5. Ferragosto o Assunzione : четверг, 15 август, 1957
6. Ognissanti o Tutti i Santi : пятница, 1 ноябрь, 1957
7. Santo Natale : среда, 25 декабрь, 1957
8. Santo Stefano : четверг, 26 декабрь, 1957

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

1. Epifania : воскресенье, 6 январь, 1957
2. Festa della Repubblica Italia : воскресенье, 2 июнь, 1957
3. Immacolata Concezione : воскресенье, 8 декабрь, 1957