Определить период

...

How many working days in year 1984?

Here is the detail of the calculation:

Because 1984 is a leap year, it has 366 days.

Let's remove 52 saturdays and 53 sundays. It remains 261 days.

Now, let's remove 7 public holidays that do not fall during a weekend and we obtain 254 working days in 1984.

Here is the list of these 7 public holidays:

1. Lundi de Pâques : понедельник, 23 апрель, 1984
2. Fête du Travail : вторник, 1 май, 1984
3. Jeudi de l'Ascension : четверг, 31 май, 1984
4. Lundi de la Pentecôte : понедельник, 11 июнь, 1984
5. Assomption : среда, 15 август, 1984
6. Toussaint : четверг, 1 ноябрь, 1984
7. Noël : вторник, 25 декабрь, 1984

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

1. Jour de l'An : воскресенье, 1 январь, 1984
2. Fête Nationale : суббота, 21 июль, 1984
3. Fête de l'Armistice : воскресенье, 11 ноябрь, 1984