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How many working days in year 2136?

Here is the detail of the calculation:

Because 2136 is a leap year, it has 366 days.

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

Now, let's remove 4 public holidays that do not fall during a weekend and we obtain 257 working days in 2136.

Here is the list of these 4 public holidays:

1. Good Friday : пятница, 20 апрель, 2136
2. Labour Day : вторник, 1 май, 2136
3. National Day : четверг, 9 август, 2136
4. Christmas Day : вторник, 25 декабрь, 2136

And here is the public holiday falling on a weekend:

1. New Year's Day : воскресенье, 1 январь, 2136