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How many working days in year 2147?

Here is the detail of the calculation:

Because 2147 is not a leap year, it has 365 days.

Let's remove 52 saturdays and 53 sundays. It remains 260 days.

Now, let's remove 3 public holidays that do not fall during a weekend and we obtain 257 working days in 2147.

Here is the list of these 3 public holidays:

1. Labour and Solidarity Day : понедельник, 1 май, 2147
2. Commemoration of Atatürk, Youth and Sports Day : пятница, 19 май, 2147
3. Victory Day : среда, 30 август, 2147

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

1. New Year's Day : воскресенье, 1 январь, 2147
2. National Sovereignty and Children's Day : воскресенье, 23 апрель, 2147
3. Day of Democracy and Freedoms : суббота, 15 июль, 2147
4. Republic Day Eve : суббота, 28 октябрь, 2147
5. Republic Day : воскресенье, 29 октябрь, 2147