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How many working days in year 2137?

Here is the detail of the calculation:

Because 2137 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 7 public holidays that do not fall during a weekend and we obtain 254 working days in 2137.

Here is the list of these 7 public holidays:

1. New Year's Day : вторник, 1 январь, 2137
2. New Year's Holiday : среда, 2 январь, 2137
3. Orthodox Christmas Day : понедельник, 7 январь, 2137
4. National Day : пятница, 15 февраль, 2137
5. May Day : среда, 1 май, 2137
6. May Day Holiday : четверг, 2 май, 2137
7. Armistice Day : понедельник, 11 ноябрь, 2137

And here is the public holiday falling on a weekend:

1. National Day Holiday : суббота, 16 февраль, 2137