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How many working days in year 1921?

Here is the detail of the calculation:

Because 1921 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 1921.

Here is the list of these 11 public holidays:

1. New Year's Day : понедельник, 3 январь, 1921
2. National day : четверг, 3 март, 1921
3. Orthodox Easter Friday : пятница, 29 апрель, 1921
4. Orthodox Easter Monday : понедельник, 2 май, 1921
5. St. George's Day : пятница, 6 май, 1921
6. Culture and Literacy Day : вторник, 24 май, 1921
7. Unification Day : вторник, 6 сентябрь, 1921
8. Independence Day : четверг, 22 сентябрь, 1921
9. Boxing day : понедельник, 26 декабрь, 1921
10. Christmas Day (observance) : вторник, 27 декабрь, 1921
11. Christmas Day (observance) : среда, 28 декабрь, 1921

And here are the 5 public holidays falling on a weekend:

1. New Year's Day : суббота, 1 январь, 1921
2. Orthodox Easter Saturday : суббота, 30 апрель, 1921
3. Orthodox Easter Sunday : воскресенье, 1 май, 1921
4. Christmas Eve : суббота, 24 декабрь, 1921
5. Christmas Day : воскресенье, 25 декабрь, 1921