Определить период

...

How many working days in year 2109?

Here is the detail of the calculation:

Because 2109 is not a leap year, it has 365 days.

Let's remove 52 saturdays and 52 sundays. It remains 261 days.

Now, let's remove 8 public holidays that do not fall during a weekend and we obtain 253 working days in 2109.

Here is the list of these 8 public holidays:

1. Capodanno : вторник, 1 январь, 2109
2. Lunedì di Pasqua : понедельник, 22 апрель, 2109
3. Anniversario Liberazione : четверг, 25 апрель, 2109
4. Festa del lavoro : среда, 1 май, 2109
5. Ferragosto o Assunzione : четверг, 15 август, 2109
6. Ognissanti o Tutti i Santi : пятница, 1 ноябрь, 2109
7. Santo Natale : среда, 25 декабрь, 2109
8. Santo Stefano : четверг, 26 декабрь, 2109

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

1. Epifania : воскресенье, 6 январь, 2109
2. Festa della Repubblica Italia : воскресенье, 2 июнь, 2109
3. Immacolata Concezione : воскресенье, 8 декабрь, 2109