Определить период

...

How many working days in year 2020?

Here is the detail of the calculation:

Because 2020 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 2020.

Here is the list of these 8 public holidays:

1. New Year's Day : среда, 1 январь, 2020
2. Good Friday : пятница, 10 апрель, 2020
3. Easter Monday : понедельник, 13 апрель, 2020
4. King's Day : понедельник, 27 апрель, 2020
5. Liberation Day : вторник, 5 май, 2020
6. Ascension Day : четверг, 21 май, 2020
7. Pentecost Monday : понедельник, 1 июнь, 2020
8. Christmas Day : пятница, 25 декабрь, 2020

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

1. Easter Sunday : воскресенье, 12 апрель, 2020
2. Pentecost Sunday : воскресенье, 31 май, 2020
3. Boxing Day : суббота, 26 декабрь, 2020