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How many working days in year 1986?

Here is the detail of the calculation:

Because 1986 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 1986.

Here is the list of these 12 public holidays:

1. New Year's Day : среда, январь 1, 1986
2. Martin Luther King Day : понедельник, январь 20, 1986
3. Washington's Birthday : понедельник, февраль 17, 1986
4. Memorial Day : понедельник, май 26, 1986
5. Juneteenth National Independence Day : четверг, июнь 19, 1986
6. Independence Day : пятница, июль 4, 1986
7. Labor Day : понедельник, сентябрь 1, 1986
8. Columbus Day : понедельник, октябрь 13, 1986
9. Veterans Day : вторник, ноябрь 11, 1986
10. Thanksgiving : четверг, ноябрь 27, 1986
11. Black Friday : пятница, ноябрь 28, 1986
12. Christmas : четверг, декабрь 25, 1986