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How many working days in year 1906?

Here is the detail of the calculation:

Because 1906 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 15 public holidays that do not fall during a weekend and we obtain 246 working days in 1906.

Here is the list of these 15 public holidays:

1. New Year's Day : понедельник, 1 январь, 1906
2. Seollal / Korean New Year Holiday : среда, 24 январь, 1906
3. Seollal / Korean New Year Holiday : четверг, 25 январь, 1906
4. Seollal / Korean New Year Holiday : пятница, 26 январь, 1906
5. Independence Movement Day : четверг, 1 март, 1906
6. Buddha's Birthday : вторник, 1 май, 1906
7. Children's Day : понедельник, 7 май, 1906
8. Buddha's Birthday : среда, 30 май, 1906
9. Memorial Day : среда, 6 июнь, 1906
10. Liberation Day : среда, 15 август, 1906
11. Chuseok / Midautumn Festival : понедельник, 1 октябрь, 1906
12. Chuseok / Midautumn Festival : вторник, 2 октябрь, 1906
13. Chuseok / Midautumn Festival : среда, 3 октябрь, 1906
14. Hangeul Day : вторник, 9 октябрь, 1906
15. Christmas Day : вторник, 25 декабрь, 1906

And here is the public holiday falling on a weekend:

1. Children's Day : суббота, 5 май, 1906