How many working days in year 1980?
Here is the detail of the calculation:
Because 1980 is a leap year, it has 366 days.
Let's remove 52 saturdays and 52 sundays. It remains 262 days.
Now, let's remove 14 public holidays that do not fall during a weekend and we obtain 248 working days in 1980.
Here is the list of these 14 public holidays:
1. New Year's Day : вторник, январь 1, 1980
2. Martin Luther King Day : понедельник, январь 21, 1980
3. Washington's Birthday : понедельник, февраль 18, 1980
4. Prince Jonah Kuhio Kalanianaole Day : среда, март 26, 1980
5. Good Friday : пятница, апрель 4, 1980
6. Memorial Day : понедельник, май 26, 1980
7. King Kamehameha I Day : среда, июнь 11, 1980
8. Independence Day : пятница, июль 4, 1980
9. Statehood Day : пятница, август 15, 1980
10. Labor Day : понедельник, сентябрь 1, 1980
11. Election Day : вторник, ноябрь 4, 1980
12. Veterans Day : вторник, ноябрь 11, 1980
13. Thanksgiving : четверг, ноябрь 27, 1980
14. Christmas : четверг, декабрь 25, 1980