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How many working days in year 2097?

Here is the detail of the calculation:

Because 2097 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 9 public holidays that do not fall during a weekend and we obtain 252 working days in 2097.

Here is the list of these 9 public holidays:

1. Neujahrstag : вторник, 1 январь, 2097
2. Karfreitag : пятница, 29 март, 2097
3. Ostermontag : понедельник, 1 апрель, 2097
4. Tag der Arbeit : среда, 1 май, 2097
5. Christi Himmelfahrt : четверг, 9 май, 2097
6. Pfingstmontag : понедельник, 20 май, 2097
7. Tag der Deutschen Einheit : четверг, 3 октябрь, 2097
8. Weihnachtstag : среда, 25 декабрь, 2097
9. Zweiter Weihnachtsfeiertag : четверг, 26 декабрь, 2097