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How many working days in year 1961?

Here is the detail of the calculation:

Because 1961 is not a leap year, it has 365 days.

Let's remove 52 saturdays and 53 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 1961.

Here is the list of these 11 public holidays:

1. New Year's Day (observance) : понедельник, январь 2, 1961
2. Martin Luther King Day : понедельник, январь 16, 1961
3. Susan B. Anthony Day : среда, февраль 15, 1961
4. Memorial Day : понедельник, май 29, 1961
5. Juneteenth National Independence Day : понедельник, июнь 19, 1961
6. Independence Day : вторник, июль 4, 1961
7. Labor Day : понедельник, сентябрь 4, 1961
8. Columbus Day : понедельник, октябрь 9, 1961
9. Election Day : вторник, ноябрь 7, 1961
10. Thanksgiving : четверг, ноябрь 23, 1961
11. Christmas : понедельник, декабрь 25, 1961

And here are the 3 public holidays falling on a weekend:

1. New Year's Day : воскресенье, январь 1, 1961
2. Christmas Eve : воскресенье, декабрь 24, 1961
3. New Year's Eve : воскресенье, декабрь 31, 1961