Определить период

...

How many working days in year 2030?

Here is the detail of the calculation:

Because 2030 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 5 public holidays that do not fall during a weekend and we obtain 256 working days in 2030.

Here is the list of these 5 public holidays:

1. New Year's Day : вторник, 1 январь, 2030
2. Good Friday : пятница, 19 апрель, 2030
3. Labour Day : среда, 1 май, 2030
4. National Day : пятница, 9 август, 2030
5. Christmas Day : среда, 25 декабрь, 2030