How many working days in year 2016?
Here is the detail of the calculation:
Because 2016 is a leap year, it has 366 days.
Let's remove 53 saturdays and 52 sundays. It remains 261 days.
Now, let's remove 9 public holidays that do not fall during a weekend and we obtain 252 working days in 2016.
 Here is the list of these 9 public holidays: 
 
 1. Jour de l'An : пятница, 1 январь, 2016 
2. Vendredi Saint : пятница, 25 март, 2016 
3. Lundi de Pâques : понедельник, 28 март, 2016 
4. Jeudi de l'Ascension : четверг, 5 май, 2016 
5. Lundi de la Pentecôte : понедельник, 16 май, 2016 
6. Fête Nationale : четверг, 23 июнь, 2016 
7. Assomption : понедельник, 15 август, 2016 
8. Toussaint : вторник, 1 ноябрь, 2016 
9. Saint-Étienne : понедельник, 26 декабрь, 2016 
And here are the 3 public holidays falling on a weekend:
1. Fête du Travail : воскресенье, 1 май, 2016 
2. Veille de Noël : суббота, 24 декабрь, 2016 
3. Noël : воскресенье, 25 декабрь, 2016