Define a period

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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 10 public holidays that do not fall during a weekend and we obtain 250 working days in 1972.

Here is the list of these 10 public holidays:

1. Epifania : Thursday, 6 January, 1972
2. Lunedì di Pasqua : Monday, 3 April, 1972
3. Anniversario Liberazione : Tuesday, 25 April, 1972
4. Festa del lavoro : Monday, 1 May, 1972
5. Festa della Repubblica Italia : Friday, 2 June, 1972
6. Ferragosto o Assunzione : Tuesday, 15 August, 1972
7. Ognissanti o Tutti i Santi : Wednesday, 1 November, 1972
8. Immacolata Concezione : Friday, 8 December, 1972
9. Santo Natale : Monday, 25 December, 1972
10. Santo Stefano : Tuesday, 26 December, 1972

And here is the public holiday falling on a weekend:

1. Capodanno : Saturday, 1 January, 1972