Define a period

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How many working days in year 1940?

Here is the detail of the calculation:

Because 1940 is a leap year, it has 366 days.

Let's remove 52 saturdays and 52 sundays. It remains 262 days.

Now, let's remove 8 public holidays that do not fall during a weekend and we obtain 254 working days in 1940.

Here is the list of these 8 public holidays:

1. Capodanno : Monday, 1 January, 1940
2. Lunedì di Pasqua : Monday, 25 March, 1940
3. Anniversario Liberazione : Thursday, 25 April, 1940
4. Festa del lavoro : Wednesday, 1 May, 1940
5. Ferragosto o Assunzione : Thursday, 15 August, 1940
6. Ognissanti o Tutti i Santi : Friday, 1 November, 1940
7. Santo Natale : Wednesday, 25 December, 1940
8. Santo Stefano : Thursday, 26 December, 1940

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

1. Epifania : Saturday, 6 January, 1940
2. Festa della Repubblica Italia : Sunday, 2 June, 1940
3. Immacolata Concezione : Sunday, 8 December, 1940