Определить период

...

How many working days in year 1948?

Here is the detail of the calculation:

Because 1948 is a leap year, it has 366 days.

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

Now, let's remove 6 public holidays that do not fall during a weekend and we obtain 256 working days in 1948.

Here is the list of these 6 public holidays:

1. New Year's Day : четверг, 1 январь, 1948
2. Maundy Thursday : четверг, 25 март, 1948
3. Good Friday : пятница, 26 март, 1948
4. Easter Monday : понедельник, 29 март, 1948
5. Ascension Day : четверг, 6 май, 1948
6. Constitution Day : понедельник, 17 май, 1948

And here are the 5 public holidays falling on a weekend:

1. Easter Sunday : воскресенье, 28 март, 1948
2. Labour Day : суббота, 1 май, 1948
3. Pentecost : воскресенье, 16 май, 1948
4. Christmas Day : суббота, 25 декабрь, 1948
5. St Stephen's Day : воскресенье, 26 декабрь, 1948