Определить период

...

How many working days in year 1948?

Here is the detail of the calculation:

Because 1948 is a leap year, it has 366 days.

Let's remove 52 saturdays and 52 sundays. It remains 262 days.

Now, let's remove 9 public holidays that do not fall during a weekend and we obtain 253 working days in 1948.

Here is the list of these 9 public holidays:

1. New Year's Day : четверг, 1 январь, 1948
2. Australia Day : понедельник, 26 январь, 1948
3. Eight Hours Day : понедельник, 8 март, 1948
4. Good Friday : пятница, 26 март, 1948
5. Easter Monday : понедельник, 29 март, 1948
6. Easter Tuesday : вторник, 30 март, 1948
7. King's Birthday : понедельник, 14 июнь, 1948
8. Christmas Day Observance : понедельник, 27 декабрь, 1948
9. Boxing Day Observance : вторник, 28 декабрь, 1948

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

1. Anzac Day : воскресенье, 25 апрель, 1948
2. Christmas Day : суббота, 25 декабрь, 1948
3. Boxing Day : воскресенье, 26 декабрь, 1948