Определить период

...

How many working days in year 1952?

Here is the detail of the calculation:

Because 1952 is a leap year, it has 366 days.

Let's remove 52 saturdays and 52 sundays. It remains 262 days.

Now, let's remove 11 public holidays that do not fall during a weekend and we obtain 251 working days in 1952.

Here is the list of these 11 public holidays:

1. New Year's Day : вторник, 1 январь, 1952
2. Human Rights Day : пятница, 21 март, 1952
3. Good Friday : пятница, 11 апрель, 1952
4. Family Day : понедельник, 14 апрель, 1952
5. Freedom Day observance : понедельник, 28 апрель, 1952
6. Workers' Day : четверг, 1 май, 1952
7. Youth Day : понедельник, 16 июнь, 1952
8. Heritage Day : среда, 24 сентябрь, 1952
9. Day of Reconciliation : вторник, 16 декабрь, 1952
10. Christmas Day : четверг, 25 декабрь, 1952
11. Day of Goodwill : пятница, 26 декабрь, 1952

And here are the 2 public holidays falling on a weekend:

1. Freedom Day : воскресенье, 27 апрель, 1952
2. National Women's Day : суббота, 9 август, 1952