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How many working days in year 2055?

Here is the detail of the calculation:

Because 2055 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 10 public holidays that do not fall during a weekend and we obtain 251 working days in 2055.

Here is the list of these 10 public holidays:

1. New Year's Day : пятница, 1 январь, 2055
2. Seollal / Korean New Year Holiday : среда, 27 январь, 2055
3. Seollal / Korean New Year Holiday : четверг, 28 январь, 2055
4. Seollal / Korean New Year Holiday : пятница, 29 январь, 2055
5. Independence Movement Day : понедельник, 1 март, 2055
6. Buddha's Birthday : вторник, 4 май, 2055
7. Children's Day : среда, 5 май, 2055
8. Chuseok / Midautumn Festival : понедельник, 4 октябрь, 2055
9. Chuseok / Midautumn Festival : вторник, 5 октябрь, 2055
10. Chuseok / Midautumn Festival : среда, 6 октябрь, 2055

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

1. Memorial Day : воскресенье, 6 июнь, 2055
2. Liberation Day : воскресенье, 15 август, 2055
3. National Foundation Day : воскресенье, 3 октябрь, 2055
4. Hangeul Day : суббота, 9 октябрь, 2055
5. Christmas Day : суббота, 25 декабрь, 2055