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How many working days in year 1945?

Here is the detail of the calculation:

Because 1945 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 11 public holidays that do not fall during a weekend and we obtain 250 working days in 1945.

Here is the list of these 11 public holidays:

1. New Year's Day : понедельник, 1 январь, 1945
2. National day (observance) : понедельник, 5 март, 1945
3. Labour Day : вторник, 1 май, 1945
4. Orthodox Easter Friday : пятница, 4 май, 1945
5. Orthodox Easter Monday : понедельник, 7 май, 1945
6. Culture and Literacy Day : четверг, 24 май, 1945
7. Unification Day : четверг, 6 сентябрь, 1945
8. Independence Day (observance) : понедельник, 24 сентябрь, 1945
9. Christmas Eve : понедельник, 24 декабрь, 1945
10. Christmas Day : вторник, 25 декабрь, 1945
11. Boxing day : среда, 26 декабрь, 1945

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

1. National day : суббота, 3 март, 1945
2. Orthodox Easter Saturday : суббота, 5 май, 1945
3. Orthodox Easter Sunday : воскресенье, 6 май, 1945
4. Independence Day : суббота, 22 сентябрь, 1945