Define a period

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How many working days in year 1967?

Here is the detail of the calculation:

Because 1967 is not a leap year, it has 365 days.

Let's remove 52 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 1967.

Here is the list of these 10 public holidays:

1. Epifania : Friday, 6 January, 1967
2. Lunedì di Pasqua : Monday, 27 March, 1967
3. Anniversario Liberazione : Tuesday, 25 April, 1967
4. Festa del lavoro : Monday, 1 May, 1967
5. Festa della Repubblica Italia : Friday, 2 June, 1967
6. Ferragosto o Assunzione : Tuesday, 15 August, 1967
7. Ognissanti o Tutti i Santi : Wednesday, 1 November, 1967
8. Immacolata Concezione : Friday, 8 December, 1967
9. Santo Natale : Monday, 25 December, 1967
10. Santo Stefano : Tuesday, 26 December, 1967

And here is the public holiday falling on a weekend:

1. Capodanno : Sunday, 1 January, 1967