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How many working days in year 1964?

Here is the detail of the calculation:

Because 1964 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 1964.

Here is the list of these 7 public holidays:

1. Capodanno : среда, 1 январь, 1964
2. Epifania : понедельник, 6 январь, 1964
3. Lunedì di Pasqua : понедельник, 30 март, 1964
4. Festa del lavoro : пятница, 1 май, 1964
5. Festa della Repubblica Italia : вторник, 2 июнь, 1964
6. Immacolata Concezione : вторник, 8 декабрь, 1964
7. Santo Natale : пятница, 25 декабрь, 1964

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

1. Anniversario Liberazione : суббота, 25 апрель, 1964
2. Ferragosto o Assunzione : суббота, 15 август, 1964
3. Ognissanti o Tutti i Santi : воскресенье, 1 ноябрь, 1964
4. Santo Stefano : суббота, 26 декабрь, 1964