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How many working days in year 1972?

Here is the detail of the calculation:

Because 1972 is a leap year, it has 366 days.

Let's remove 53 saturdays and 53 sundays. It remains 260 days.

Now, let's remove 11 public holidays that do not fall during a weekend and we obtain 249 working days in 1972.

Here is the list of these 11 public holidays:

1. Epifania : четверг, 6 январь, 1972
2. Lunedì di Pasqua : понедельник, 3 апрель, 1972
3. Anniversario Liberazione : вторник, 25 апрель, 1972
4. Festa del lavoro : понедельник, 1 май, 1972
5. Festa della Repubblica Italia : пятница, 2 июнь, 1972
6. Festa di San Pietro e Paolo : четверг, 29 июнь, 1972
7. Ferragosto o Assunzione : вторник, 15 август, 1972
8. Ognissanti o Tutti i Santi : среда, 1 ноябрь, 1972
9. Immacolata Concezione : пятница, 8 декабрь, 1972
10. Santo Natale : понедельник, 25 декабрь, 1972
11. Santo Stefano : вторник, 26 декабрь, 1972

And here is the public holiday falling on a weekend:

1. Capodanno : суббота, 1 январь, 1972