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How many working days in year 1960?

Here is the detail of the calculation:

Because 1960 is a leap year, it has 366 days.

Let's remove 53 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 1960.

Here is the list of these 7 public holidays:

1. Neujahrstag : пятница, 1 январь, 1960
2. Karfreitag : пятница, 15 апрель, 1960
3. Ostermontag : понедельник, 18 апрель, 1960
4. Christi Himmelfahrt : четверг, 26 май, 1960
5. Pfingstmontag : понедельник, 6 июнь, 1960
6. Tag der Deutschen Einheit : понедельник, 3 октябрь, 1960
7. Zweiter Weihnachtsfeiertag : понедельник, 26 декабрь, 1960

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

1. Tag der Arbeit : воскресенье, 1 май, 1960
2. Weihnachtstag : воскресенье, 25 декабрь, 1960