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How many working days in year 1918?

Here is the detail of the calculation:

Because 1918 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 13 public holidays that do not fall during a weekend and we obtain 248 working days in 1918.

Here is the list of these 13 public holidays:

1. New Year's Day : вторник, январь 1, 1918
2. Martin Luther King Day : понедельник, январь 21, 1918
3. Lincoln's Birthday : вторник, февраль 12, 1918
4. Washington's Birthday : понедельник, февраль 18, 1918
5. Good Friday : пятница, март 29, 1918
6. Memorial Day : понедельник, май 27, 1918
7. Juneteenth National Independence Day : среда, июнь 19, 1918
8. Independence Day : четверг, июль 4, 1918
9. Labor Day : понедельник, сентябрь 2, 1918
10. Columbus Day : понедельник, октябрь 14, 1918
11. Veterans Day : понедельник, ноябрь 11, 1918
12. Thanksgiving : четверг, ноябрь 28, 1918
13. Christmas : среда, декабрь 25, 1918