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How many working days in year 1943?

Here is the detail of the calculation:

Because 1943 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 10 public holidays that do not fall during a weekend and we obtain 251 working days in 1943.

Here is the list of these 10 public holidays:

1. New Year's Day : пятница, январь 1, 1943
2. Martin Luther King Day : понедельник, январь 18, 1943
3. Washington's Birthday : понедельник, февраль 15, 1943
4. Memorial Day : понедельник, май 31, 1943
5. Independence Day (observance) : понедельник, июль 5, 1943
6. Labor Day : понедельник, сентябрь 6, 1943
7. Veterans Day : четверг, ноябрь 11, 1943
8. Thanksgiving : четверг, ноябрь 25, 1943
9. Christmas (observance) : пятница, декабрь 24, 1943
10. New Year's Day (observance) : пятница, декабрь 31, 1943

And here are the 2 public holidays falling on a weekend:

1. Independence Day : воскресенье, июль 4, 1943
2. Christmas : суббота, декабрь 25, 1943