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How many working days in year 1973?

Here is the detail of the calculation:

Because 1973 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 7 public holidays that do not fall during a weekend and we obtain 254 working days in 1973.

Here is the list of these 7 public holidays:

1. Jour de l'An : понедельник, 1 январь, 1973
2. Indépendance : четверг, 1 март, 1973
3. Vendredi Saint : пятница, 20 апрель, 1973
4. Fête du Travail : вторник, 1 май, 1973
5. Jeudi de l'Ascension : четверг, 31 май, 1973
6. Fête nationale suisse : среда, 1 август, 1973
7. Noël : вторник, 25 декабрь, 1973