Определить период

...

How many working days in year 2104?

Here is the detail of the calculation:

Because 2104 is a leap year, it has 366 days.

Let's remove 52 saturdays and 52 sundays. It remains 262 days.

Now, let's remove 11 public holidays that do not fall during a weekend and we obtain 251 working days in 2104.

Here is the list of these 11 public holidays:

1. New Year's Day : вторник, январь 1, 2104
2. Martin Luther King Day : понедельник, январь 21, 2104
3. Memorial Day : понедельник, май 26, 2104
4. Juneteenth National Independence Day : четверг, июнь 19, 2104
5. Independence Day : пятница, июль 4, 2104
6. Labor Day : понедельник, сентябрь 1, 2104
7. Columbus Day : понедельник, октябрь 13, 2104
8. Veterans Day : вторник, ноябрь 11, 2104
9. Thanksgiving : четверг, ноябрь 27, 2104
10. Black Friday : пятница, ноябрь 28, 2104
11. Christmas : четверг, декабрь 25, 2104