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How many working days in year 1988?

Here is the detail of the calculation:

Because 1988 is a leap year, it has 366 days.

Let's remove 53 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 1988.

Here is the list of these 7 public holidays:

1. Jour de l'An : пятница, 1 январь, 1988
2. Vendredi Saint : пятница, 1 апрель, 1988
3. Lundi de Pâques : понедельник, 4 апрель, 1988
4. Jeudi de l'Ascension : четверг, 12 май, 1988
5. Lundi de la Pentecôte : понедельник, 23 май, 1988
6. Fête nationale suisse : понедельник, 1 август, 1988
7. Saint Étienne : понедельник, 26 декабрь, 1988

And here is the public holiday falling on a weekend:

1. Noël : воскресенье, 25 декабрь, 1988