Определить период

...

How many working days in year 2016?

Here is the detail of the calculation:

Because 2016 is a leap year, it has 366 days.

Let's remove 53 saturdays and 52 sundays. It remains 261 days.

Now, let's remove 7 public holidays that do not fall during a weekend and we obtain 254 working days in 2016.

Here is the list of these 7 public holidays:

1. New Year's Day : пятница, 1 январь, 2016
2. Good Friday : пятница, 25 март, 2016
3. Easter Monday : понедельник, 28 март, 2016
4. King's Day : среда, 27 апрель, 2016
5. Ascension Day : четверг, 5 май, 2016
6. Pentecost Monday : понедельник, 16 май, 2016
7. Boxing Day : понедельник, 26 декабрь, 2016

And here are the 3 public holidays falling on a weekend:

1. Easter Sunday : воскресенье, 27 март, 2016
2. Pentecost Sunday : воскресенье, 15 май, 2016
3. Christmas Day : воскресенье, 25 декабрь, 2016