Определить период

...

How many working days in year 2091?

Here is the detail of the calculation:

Because 2091 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 2091.

Here is the list of these 8 public holidays:

1. New Year's Day : понедельник, 1 январь, 2091
2. Good Friday : пятница, 6 апрель, 2091
3. Easter Monday : понедельник, 9 апрель, 2091
4. King's Day : пятница, 27 апрель, 2091
5. Ascension Day : четверг, 17 май, 2091
6. Pentecost Monday : понедельник, 28 май, 2091
7. Christmas Day : вторник, 25 декабрь, 2091
8. Boxing Day : среда, 26 декабрь, 2091

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

1. Easter Sunday : воскресенье, 8 апрель, 2091
2. Pentecost Sunday : воскресенье, 27 май, 2091