Определить период

...

How many working days in year 2051?

Here is the detail of the calculation:

Because 2051 is not a leap year, it has 365 days.

Let's remove 52 saturdays and 53 sundays. It remains 260 days.

Now, let's remove 7 public holidays that do not fall during a weekend and we obtain 253 working days in 2051.

Here is the list of these 7 public holidays:

1. Good Friday : пятница, 31 март, 2051
2. Easter Monday : понедельник, 3 апрель, 2051
3. King's Day : четверг, 27 апрель, 2051
4. Ascension Day : четверг, 11 май, 2051
5. Pentecost Monday : понедельник, 22 май, 2051
6. Christmas Day : понедельник, 25 декабрь, 2051
7. Boxing Day : вторник, 26 декабрь, 2051

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

1. New Year's Day : воскресенье, 1 январь, 2051
2. Easter Sunday : воскресенье, 2 апрель, 2051
3. Pentecost Sunday : воскресенье, 21 май, 2051