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How many working days in year 2136?

Here is the detail of the calculation:

Because 2136 is a leap year, it has 366 days.

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

Now, let's remove 10 public holidays that do not fall during a weekend and we obtain 251 working days in 2136.

Here is the list of these 10 public holidays:

1. New Year's Day : понедельник, 2 январь, 2136
2. National day (observance) : понедельник, 5 март, 2136
3. Labour Day : вторник, 1 май, 2136
4. St. George's Day (observance) : понедельник, 7 май, 2136
5. Culture and Literacy Day : четверг, 24 май, 2136
6. Unification Day : четверг, 6 сентябрь, 2136
7. Independence Day (observance) : понедельник, 24 сентябрь, 2136
8. Christmas Eve : понедельник, 24 декабрь, 2136
9. Christmas Day : вторник, 25 декабрь, 2136
10. Boxing day : среда, 26 декабрь, 2136

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

1. New Year's Day : воскресенье, 1 январь, 2136
2. National day : суббота, 3 март, 2136
3. St. George's Day : воскресенье, 6 май, 2136
4. Independence Day : суббота, 22 сентябрь, 2136