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How many working days in year 1976?

Here is the detail of the calculation:

Because 1976 is a leap year, it has 366 days.

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

Now, let's remove 4 public holidays that do not fall during a weekend and we obtain 258 working days in 1976.

Here is the list of these 4 public holidays:

1. Jour de l'An : четверг, 1 январь, 1976
2. Indépendance : понедельник, 1 март, 1976
3. Vendredi Saint : пятница, 16 апрель, 1976
4. Jeudi de l'Ascension : четверг, 27 май, 1976

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

1. Fête du Travail : суббота, 1 май, 1976
2. Fête nationale suisse : воскресенье, 1 август, 1976
3. Noël : суббота, 25 декабрь, 1976