Определить период

...

How many working days in year 1944?

Here is the detail of the calculation:

Because 1944 is a leap year, it has 366 days.

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

Now, let's remove 10 public holidays that do not fall during a weekend and we obtain 250 working days in 1944.

Here is the list of these 10 public holidays:

1. Epiphany : четверг, 6 январь, 1944
2. Easter Monday : понедельник, 10 апрель, 1944
3. Labour Day : понедельник, 1 май, 1944
4. National Day : вторник, 30 май, 1944
5. Corpus Christi : четверг, 8 июнь, 1944
6. Anti-Fascist Struggle Day : четверг, 22 июнь, 1944
7. Assumption Day : вторник, 15 август, 1944
8. All Saints' Day : среда, 1 ноябрь, 1944
9. Christmas Day : понедельник, 25 декабрь, 1944
10. St. Stephen's Day : вторник, 26 декабрь, 1944

And here are the 4 public holidays falling on a weekend:

1. New Year's Day : суббота, 1 январь, 1944
2. Easter : воскресенье, 9 апрель, 1944
3. Victory and Homeland Thanksgiving Day : суббота, 5 август, 1944
4. Remembrance Day : суббота, 18 ноябрь, 1944