How many working days in year 1990?
Here is the detail of the calculation:
Because 1990 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 13 public holidays that do not fall during a weekend and we obtain 248 working days in 1990.
Here is the list of these 13 public holidays:
1. New Year's Day : понедельник, январь 1, 1990
2. Martin Luther King Day : понедельник, январь 15, 1990
3. Susan B. Anthony Day : четверг, февраль 15, 1990
4. Memorial Day : понедельник, май 28, 1990
5. Juneteenth National Independence Day : вторник, июнь 19, 1990
6. Independence Day : среда, июль 4, 1990
7. Labor Day : понедельник, сентябрь 3, 1990
8. Columbus Day : понедельник, октябрь 8, 1990
9. Election Day : вторник, ноябрь 6, 1990
10. Thanksgiving : четверг, ноябрь 22, 1990
11. Christmas Eve : понедельник, декабрь 24, 1990
12. Christmas : вторник, декабрь 25, 1990
13. New Year's Eve : понедельник, декабрь 31, 1990