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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 14 public holidays that do not fall during a weekend and we obtain 247 working days in 1986.

Here is the list of these 14 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. Prince Jonah Kuhio Kalanianaole Day : среда, март 26, 1986
5. Good Friday : пятница, март 28, 1986
6. Memorial Day : понедельник, май 26, 1986
7. King Kamehameha I Day : среда, июнь 11, 1986
8. Independence Day : пятница, июль 4, 1986
9. Statehood Day : пятница, август 15, 1986
10. Labor Day : понедельник, сентябрь 1, 1986
11. Election Day : вторник, ноябрь 4, 1986
12. Veterans Day : вторник, ноябрь 11, 1986
13. Thanksgiving : четверг, ноябрь 27, 1986
14. Christmas : четверг, декабрь 25, 1986