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How many working days in year 1966?

Here is the detail of the calculation:

Because 1966 is not a leap year, it has 365 days.

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

Now, let's remove 6 public holidays that do not fall during a weekend and we obtain 254 working days in 1966.

Here is the list of these 6 public holidays:

1. Karfreitag : пятница, 8 апрель, 1966
2. Ostermontag : понедельник, 11 апрель, 1966
3. Christi Himmelfahrt : четверг, 19 май, 1966
4. Pfingstmontag : понедельник, 30 май, 1966
5. Tag der Deutschen Einheit : понедельник, 3 октябрь, 1966
6. Zweiter Weihnachtsfeiertag : понедельник, 26 декабрь, 1966

And here are the 3 public holidays falling on a weekend:

1. Neujahrstag : суббота, 1 январь, 1966
2. Tag der Arbeit : воскресенье, 1 май, 1966
3. Weihnachtstag : воскресенье, 25 декабрь, 1966