How many working days in year 1946?
Here is the detail of the calculation:
Because 1946 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 1946.
 Here is the list of these 12 public holidays: 
 
 1. New Year's Day : вторник, 1 январь, 1946 
2. National day (observance) : понедельник, 4 март, 1946 
3. Orthodox Easter Friday : пятница, 19 апрель, 1946 
4. Orthodox Easter Monday : понедельник, 22 апрель, 1946 
5. Labour Day : среда, 1 май, 1946 
6. St. George's Day : понедельник, 6 май, 1946 
7. Culture and Literacy Day : пятница, 24 май, 1946 
8. Unification Day : пятница, 6 сентябрь, 1946 
9. Independence Day (observance) : понедельник, 23 сентябрь, 1946 
10. Christmas Eve : вторник, 24 декабрь, 1946 
11. Christmas Day : среда, 25 декабрь, 1946 
12. Boxing day : четверг, 26 декабрь, 1946 
And here are the 4 public holidays falling on a weekend:
1. National day : воскресенье, 3 март, 1946 
2. Orthodox Easter Saturday : суббота, 20 апрель, 1946 
3. Orthodox Easter Sunday : воскресенье, 21 апрель, 1946 
4. Independence Day : воскресенье, 22 сентябрь, 1946