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 12 public holidays that do not fall during a weekend and we obtain 250 working days in 2020.

Here is the list of these 12 public holidays:

1. New Year's Day : среда, 1 январь, 2020
2. National day : вторник, 3 март, 2020
3. Orthodox Easter Friday : пятница, 17 апрель, 2020
4. Orthodox Easter Monday : понедельник, 20 апрель, 2020
5. Labour Day : пятница, 1 май, 2020
6. St. George's Day : среда, 6 май, 2020
7. Culture and Literacy Day (observance) : понедельник, 25 май, 2020
8. Unification Day (observance) : понедельник, 7 сентябрь, 2020
9. Independence Day : вторник, 22 сентябрь, 2020
10. Christmas Eve : четверг, 24 декабрь, 2020
11. Christmas Day : пятница, 25 декабрь, 2020
12. Christmas Day (observance) : понедельник, 28 декабрь, 2020

And here are the 5 public holidays falling on a weekend:

1. Orthodox Easter Saturday : суббота, 18 апрель, 2020
2. Orthodox Easter Sunday : воскресенье, 19 апрель, 2020
3. Culture and Literacy Day : воскресенье, 24 май, 2020
4. Unification Day : воскресенье, 6 сентябрь, 2020
5. Boxing day : суббота, 26 декабрь, 2020