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How many working days in year 1905?

Here is the detail of the calculation:

Because 1905 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 7 public holidays that do not fall during a weekend and we obtain 253 working days in 1905.

Here is the list of these 7 public holidays:

1. Jeudi de l'Ascension : четверг, 1 июнь, 1905
2. Fête-Dieu : четверг, 22 июнь, 1905
3. Fête nationale suisse : вторник, 1 август, 1905
4. Assomption : вторник, 15 август, 1905
5. Toussaint : среда, 1 ноябрь, 1905
6. Immaculée Conception : пятница, 8 декабрь, 1905
7. Noël : понедельник, 25 декабрь, 1905

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

1. Jour de l'An : воскресенье, 1 январь, 1905
2. Saint-Joseph : воскресенье, 19 март, 1905