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How many working days in year 1940?

Here is the detail of the calculation:

Because 1940 is a leap year, it has 366 days.

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

Now, let's remove 7 public holidays that do not fall during a weekend and we obtain 255 working days in 1940.

Here is the list of these 7 public holidays:

1. Jour de l'An : понедельник, 1 январь, 1940
2. Indépendance : пятница, 1 март, 1940
3. Vendredi Saint : пятница, 22 март, 1940
4. Fête du Travail : среда, 1 май, 1940
5. Jeudi de l'Ascension : четверг, 2 май, 1940
6. Fête nationale suisse : четверг, 1 август, 1940
7. Noël : среда, 25 декабрь, 1940