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How many working days in year 1983?

Here is the detail of the calculation:

Because 1983 is not a leap year, it has 365 days.

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

Now, let's remove 11 public holidays that do not fall during a weekend and we obtain 249 working days in 1983.

Here is the list of these 11 public holidays:

1. New Year's Day : понедельник, 3 январь, 1983
2. National day : четверг, 3 март, 1983
3. Labour Day (observance) : понедельник, 2 май, 1983
4. Orthodox Easter Friday : пятница, 6 май, 1983
5. Orthodox Easter Monday : понедельник, 9 май, 1983
6. Culture and Literacy Day : вторник, 24 май, 1983
7. Unification Day : вторник, 6 сентябрь, 1983
8. Independence Day : четверг, 22 сентябрь, 1983
9. Boxing day : понедельник, 26 декабрь, 1983
10. Christmas Day (observance) : вторник, 27 декабрь, 1983
11. Christmas Day (observance) : среда, 28 декабрь, 1983

And here are the 6 public holidays falling on a weekend:

1. New Year's Day : суббота, 1 январь, 1983
2. Labour Day : воскресенье, 1 май, 1983
3. Orthodox Easter Saturday : суббота, 7 май, 1983
4. Orthodox Easter Sunday : воскресенье, 8 май, 1983
5. Christmas Eve : суббота, 24 декабрь, 1983
6. Christmas Day : воскресенье, 25 декабрь, 1983