Определить период

...

How many working days in year 2105?

Here is the detail of the calculation:

Because 2105 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 2105.

Here is the list of these 8 public holidays:

1. New Year's Day : четверг, 1 январь, 2105
2. Maundy Thursday : четверг, 2 апрель, 2105
3. Good Friday : пятница, 3 апрель, 2105
4. Easter Monday : понедельник, 6 апрель, 2105
5. Labour Day : пятница, 1 май, 2105
6. Ascension Day : четверг, 14 май, 2105
7. Whit Monday : понедельник, 25 май, 2105
8. Christmas Day : пятница, 25 декабрь, 2105

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

1. Easter Sunday : воскресенье, 5 апрель, 2105
2. Constitution Day : воскресенье, 17 май, 2105
3. Pentecost : воскресенье, 24 май, 2105
4. St Stephen's Day : суббота, 26 декабрь, 2105