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How many working days in year 2080?

Here is the detail of the calculation:

Because 2080 is a leap year, it has 366 days.

Let's remove 52 saturdays and 52 sundays. It remains 262 days.

Now, let's remove 7 public holidays that do not fall during a weekend and we obtain 255 working days in 2080.

Here is the list of these 7 public holidays:

1. New Year's Day : понедельник, 1 январь, 2080
2. Good Friday : пятница, 5 апрель, 2080
3. Easter Monday : понедельник, 8 апрель, 2080
4. Ascension Day : четверг, 16 май, 2080
5. Pentecost Monday : понедельник, 27 май, 2080
6. Christmas Day : среда, 25 декабрь, 2080
7. Boxing Day : четверг, 26 декабрь, 2080

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

1. Easter Sunday : воскресенье, 7 апрель, 2080
2. King's Day : суббота, 27 апрель, 2080
3. Liberation Day : воскресенье, 5 май, 2080
4. Pentecost Sunday : воскресенье, 26 май, 2080