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How many working days in year 1997?

Here is the detail of the calculation:

Because 1997 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 9 public holidays that do not fall during a weekend and we obtain 252 working days in 1997.

Here is the list of these 9 public holidays:

1. Jour de l'An : среда, 1 январь, 1997
2. Vendredi Saint : пятница, 28 март, 1997
3. Lundi de Pâques : понедельник, 31 март, 1997
4. Jeudi de l'Ascension : четверг, 8 май, 1997
5. Lundi de la Pentecôte : понедельник, 19 май, 1997
6. Fête nationale suisse : пятница, 1 август, 1997
7. Jeûne genevois : четверг, 11 сентябрь, 1997
8. Noël : четверг, 25 декабрь, 1997
9. Saint-Sylvestre : среда, 31 декабрь, 1997