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How many working days in year 1971?

Here is the detail of the calculation:

Because 1971 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 7 public holidays that do not fall during a weekend and we obtain 254 working days in 1971.

Here is the list of these 7 public holidays:

1. Jour de l'An : пятница, 1 январь, 1971
2. Lundi de Pâques : понедельник, 12 апрель, 1971
3. Jeudi de l'Ascension : четверг, 20 май, 1971
4. Lundi de la Pentecôte : понедельник, 31 май, 1971
5. Fête Nationale : среда, 21 июль, 1971
6. Toussaint : понедельник, 1 ноябрь, 1971
7. Fête de l'Armistice : четверг, 11 ноябрь, 1971

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

1. Fête du Travail : суббота, 1 май, 1971
2. Assomption : воскресенье, 15 август, 1971
3. Noël : суббота, 25 декабрь, 1971