Определить период

...

How many working days in year 2018?

Here is the detail of the calculation:

Because 2018 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 13 public holidays that do not fall during a weekend and we obtain 248 working days in 2018.

Here is the list of these 13 public holidays:

1. New Year's Day : понедельник, 1 январь, 2018
2. New Year Holiday : вторник, 2 январь, 2018
3. Preseren's Day : четверг, 8 февраль, 2018
4. Easter Monday : понедельник, 2 апрель, 2018
5. Resistance Day : пятница, 27 апрель, 2018
6. May Day : вторник, 1 май, 2018
7. May Day Holiday : среда, 2 май, 2018
8. Statehood Day : понедельник, 25 июнь, 2018
9. Assumption Day : среда, 15 август, 2018
10. Reformation Day : среда, 31 октябрь, 2018
11. All Saints' Day : четверг, 1 ноябрь, 2018
12. Christmas Day : вторник, 25 декабрь, 2018
13. Independence and Unity Day : среда, 26 декабрь, 2018

And here are the 2 public holidays falling on a weekend:

1. Easter : воскресенье, 1 апрель, 2018
2. Whitsunday : воскресенье, 20 май, 2018