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How many working days in year 2042?

Here is the detail of the calculation:

Because 2042 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 4 public holidays that do not fall during a weekend and we obtain 257 working days in 2042.

Here is the list of these 4 public holidays:

1. New Year's Day : среда, 1 январь, 2042
2. Good Friday : пятница, 4 апрель, 2042
3. Labour Day : четверг, 1 май, 2042
4. Christmas Day : четверг, 25 декабрь, 2042

And here is the public holiday falling on a weekend:

1. National Day : суббота, 9 август, 2042