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How many working days in year 1939?

Here is the detail of the calculation:

Because 1939 is not a leap year, it has 365 days.

Let's remove 52 saturdays and 53 sundays. It remains 260 days.

Now, let's remove 9 public holidays that do not fall during a weekend and we obtain 251 working days in 1939.

Here is the list of these 9 public holidays:

1. Saint-Berchtold : понедельник, 2 январь, 1939
2. Vendredi Saint : пятница, 7 апрель, 1939
3. Lundi de Pâques : понедельник, 10 апрель, 1939
4. Fête du Travail : понедельник, 1 май, 1939
5. Jeudi de l'Ascension : четверг, 18 май, 1939
6. Lundi de la Pentecôte : понедельник, 29 май, 1939
7. Fête nationale suisse : вторник, 1 август, 1939
8. Noël : понедельник, 25 декабрь, 1939
9. Saint Étienne : вторник, 26 декабрь, 1939

And here is the public holiday falling on a weekend:

1. Jour de l'An : воскресенье, 1 январь, 1939