Определить период

...

How many working days in year 2081?

Here is the detail of the calculation:

Because 2081 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 2081.

Here is the list of these 8 public holidays:

1. New Year's Day : среда, 1 январь, 2081
2. New Year's Holiday : четверг, 2 январь, 2081
3. Orthodox Christmas Day : вторник, 7 январь, 2081
4. National Day Holiday : понедельник, 17 февраль, 2081
5. May Day : четверг, 1 май, 2081
6. Great Friday : пятница, 2 май, 2081
7. Easter Monday : понедельник, 5 май, 2081
8. Armistice Day : вторник, 11 ноябрь, 2081

And here are the 4 public holidays falling on a weekend:

1. National Day : суббота, 15 февраль, 2081
2. National Day Holiday : воскресенье, 16 февраль, 2081
3. Orthodox Easter Saturday : суббота, 3 май, 2081
4. Easter : воскресенье, 4 май, 2081