Определить период

...

How many working days in year 2002?

Here is the detail of the calculation:

Because 2002 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 2002.

Here is the list of these 9 public holidays:

1. Neujahrstag : вторник, 1 январь, 2002
2. Karfreitag : пятница, 29 март, 2002
3. Ostermontag : понедельник, 1 апрель, 2002
4. Staatsfeiertag : среда, 1 май, 2002
5. Pfingstmontag : понедельник, 20 май, 2002
6. Heiliger Abend : вторник, 24 декабрь, 2002
7. Weihnachten : среда, 25 декабрь, 2002
8. Stefanitag : четверг, 26 декабрь, 2002
9. Silvesters : вторник, 31 декабрь, 2002

And here is the public holiday falling on a weekend:

1. Nationalfeiertag : суббота, 26 октябрь, 2002