Определить период

...

How many working days in year 1959?

Here is the detail of the calculation:

Because 1959 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 8 public holidays that do not fall during a weekend and we obtain 253 working days in 1959.

Here is the list of these 8 public holidays:

1. New Year's Day : четверг, 1 январь, 1959
2. New Year's Holiday : пятница, 2 январь, 1959
3. Orthodox Christmas Day : среда, 7 январь, 1959
4. National Day Holiday : понедельник, 16 февраль, 1959
5. National Day Holiday : вторник, 17 февраль, 1959
6. Great Friday : пятница, 1 май, 1959
7. Easter Monday : понедельник, 4 май, 1959
8. Armistice Day : среда, 11 ноябрь, 1959

And here are the 3 public holidays falling on a weekend:

1. National Day : воскресенье, 15 февраль, 1959
2. Orthodox Easter Saturday : суббота, 2 май, 1959
3. Easter : воскресенье, 3 май, 1959