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How many working days in year 2043?

Here is the detail of the calculation:

Because 2043 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 12 public holidays that do not fall during a weekend and we obtain 249 working days in 2043.

Here is the list of these 12 public holidays:

1. New Year's Day : четверг, январь 1, 2043
2. Martin Luther King Day : понедельник, январь 19, 2043
3. Washington's Birthday : понедельник, февраль 16, 2043
4. Memorial Day : понедельник, май 25, 2043
5. Juneteenth National Independence Day : пятница, июнь 19, 2043
6. Independence Day (observance) : пятница, июль 3, 2043
7. Labor Day : понедельник, сентябрь 7, 2043
8. Columbus Day : понедельник, октябрь 12, 2043
9. Veterans Day : среда, ноябрь 11, 2043
10. Thanksgiving : четверг, ноябрь 26, 2043
11. Black Friday : пятница, ноябрь 27, 2043
12. Christmas : пятница, декабрь 25, 2043

And here is the public holiday falling on a weekend:

1. Independence Day : суббота, июль 4, 2043