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How many working days in year 1958?

Here is the detail of the calculation:

Because 1958 is not a leap year, it has 365 days.

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

Now, let's remove 12 public holidays that do not fall during a weekend and we obtain 249 working days in 1958.

Here is the list of these 12 public holidays:

1. New Year's Day : среда, 1 январь, 1958
2. National day : понедельник, 3 март, 1958
3. Orthodox Easter Friday : пятница, 11 апрель, 1958
4. Orthodox Easter Monday : понедельник, 14 апрель, 1958
5. Labour Day : четверг, 1 май, 1958
6. St. George's Day : вторник, 6 май, 1958
7. Culture and Literacy Day (observance) : понедельник, 26 май, 1958
8. Unification Day (observance) : понедельник, 8 сентябрь, 1958
9. Independence Day : понедельник, 22 сентябрь, 1958
10. Christmas Eve : среда, 24 декабрь, 1958
11. Christmas Day : четверг, 25 декабрь, 1958
12. Boxing day : пятница, 26 декабрь, 1958

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

1. Orthodox Easter Saturday : суббота, 12 апрель, 1958
2. Orthodox Easter Sunday : воскресенье, 13 апрель, 1958
3. Culture and Literacy Day : суббота, 24 май, 1958
4. Unification Day : суббота, 6 сентябрь, 1958