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How many working days in year 1992?

Here is the detail of the calculation:

Because 1992 is a leap year, it has 366 days.

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

Now, let's remove 5 public holidays that do not fall during a weekend and we obtain 257 working days in 1992.

Here is the list of these 5 public holidays:

1. Jour de l'An : среда, 1 январь, 1992
2. Vendredi Saint : пятница, 17 апрель, 1992
3. Fête du Travail : пятница, 1 май, 1992
4. Jeudi de l'Ascension : четверг, 28 май, 1992
5. Noël : пятница, 25 декабрь, 1992

And here are the 2 public holidays falling on a weekend:

1. Indépendance : воскресенье, 1 март, 1992
2. Fête nationale suisse : суббота, 1 август, 1992