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How many working days in year 2013?

Here is the detail of the calculation:

Because 2013 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 10 public holidays that do not fall during a weekend and we obtain 251 working days in 2013.

Here is the list of these 10 public holidays:

1. Neujahrstag : вторник, 1 январь, 2013
2. Karfreitag : пятница, 29 март, 2013
3. Ostermontag : понедельник, 1 апрель, 2013
4. Tag der Arbeit : среда, 1 май, 2013
5. Christi Himmelfahrt : четверг, 9 май, 2013
6. Pfingstmontag : понедельник, 20 май, 2013
7. Fronleichnam : четверг, 30 май, 2013
8. Tag der Deutschen Einheit : четверг, 3 октябрь, 2013
9. Weihnachtstag : среда, 25 декабрь, 2013
10. Zweiter Weihnachtsfeiertag : четверг, 26 декабрь, 2013