Define a period

...

How many working days in year 2051?

Here is the detail of the calculation:

Because 2051 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 11 public holidays that do not fall during a weekend and we obtain 249 working days in 2051.

Here is the list of these 11 public holidays:

1. Epifania : Friday, 6 January, 2051
2. Lunedì di Pasqua : Monday, 3 April, 2051
3. Anniversario Liberazione : Tuesday, 25 April, 2051
4. Sa Die de Sa Sardigna : Friday, 28 April, 2051
5. Festa del lavoro : Monday, 1 May, 2051
6. Festa della Repubblica Italia : Friday, 2 June, 2051
7. Ferragosto o Assunzione : Tuesday, 15 August, 2051
8. Ognissanti o Tutti i Santi : Wednesday, 1 November, 2051
9. Immacolata Concezione : Friday, 8 December, 2051
10. Santo Natale : Monday, 25 December, 2051
11. Santo Stefano : Tuesday, 26 December, 2051

And here is the public holiday falling on a weekend:

1. Capodanno : Sunday, 1 January, 2051