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How many working days in year 1991?

Here is the detail of the calculation:

Because 1991 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 1991.

Here is the list of these 8 public holidays:

1. Capodanno : вторник, 1 январь, 1991
2. Lunedì di Pasqua : понедельник, 1 апрель, 1991
3. Anniversario Liberazione : четверг, 25 апрель, 1991
4. Festa del lavoro : среда, 1 май, 1991
5. Ferragosto o Assunzione : четверг, 15 август, 1991
6. Ognissanti o Tutti i Santi : пятница, 1 ноябрь, 1991
7. Santo Natale : среда, 25 декабрь, 1991
8. Santo Stefano : четверг, 26 декабрь, 1991

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

1. Epifania : воскресенье, 6 январь, 1991
2. Festa della Repubblica Italia : воскресенье, 2 июнь, 1991
3. Immacolata Concezione : воскресенье, 8 декабрь, 1991