Определить период

...

How many working days in year 2003?

Here is the detail of the calculation:

Because 2003 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 9 public holidays that do not fall during a weekend and we obtain 252 working days in 2003.

Here is the list of these 9 public holidays:

1. New Year's Day : среда, январь 1, 2003
2. Memorial Day : понедельник, май 26, 2003
3. Juneteenth National Independence Day : четверг, июнь 19, 2003
4. Independence Day : пятница, июль 4, 2003
5. Labor Day : понедельник, сентябрь 1, 2003
6. Columbus Day : понедельник, октябрь 13, 2003
7. Veterans Day : вторник, ноябрь 11, 2003
8. Thanksgiving : четверг, ноябрь 27, 2003
9. Christmas : четверг, декабрь 25, 2003