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How many working days in year 1928?

Here is the detail of the calculation:

Because 1928 is a leap year, it has 366 days.

Let's remove 52 saturdays and 53 sundays. It remains 261 days.

Now, let's remove 11 public holidays that do not fall during a weekend and we obtain 250 working days in 1928.

Here is the list of these 11 public holidays:

1. Seollal / Korean New Year Holiday : понедельник, 23 январь, 1928
2. Seollal / Korean New Year Holiday : вторник, 24 январь, 1928
3. Independence Movement Day : четверг, 1 март, 1928
4. Children's Day : понедельник, 7 май, 1928
5. Memorial Day : среда, 6 июнь, 1928
6. Liberation Day : среда, 15 август, 1928
7. Chuseok / Midautumn Festival : четверг, 27 сентябрь, 1928
8. Chuseok / Midautumn Festival : пятница, 28 сентябрь, 1928
9. National Foundation Day : среда, 3 октябрь, 1928
10. Hangeul Day : вторник, 9 октябрь, 1928
11. Christmas Day : вторник, 25 декабрь, 1928

And here are the 5 public holidays falling on a weekend:

1. New Year's Day : воскресенье, 1 январь, 1928
2. Seollal / Korean New Year Holiday : воскресенье, 22 январь, 1928
3. Children's Day : суббота, 5 май, 1928
4. Buddha's Birthday : суббота, 26 май, 1928
5. Chuseok / Midautumn Festival : суббота, 29 сентябрь, 1928