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 12 public holidays that do not fall during a weekend and we obtain 250 working days in 1980.
Here is the list of these 12 public holidays:
1. New Year's Day : вторник, январь 1, 1980
2. Martin Luther King Day : понедельник, январь 21, 1980
3. Good Friday : пятница, апрель 4, 1980
4. Memorial Day : понедельник, май 26, 1980
5. Juneteenth National Independence Day : четверг, июнь 19, 1980
6. Independence Day : пятница, июль 4, 1980
7. Labor Day : понедельник, сентябрь 1, 1980
8. Veterans Day : вторник, ноябрь 11, 1980
9. Thanksgiving : четверг, ноябрь 27, 1980
10. Christmas Eve : среда, декабрь 24, 1980
11. Christmas : четверг, декабрь 25, 1980
12. December 26 : пятница, декабрь 26, 1980