Определить период

...

How many working days in year 1950?

Here is the detail of the calculation:

Because 1950 is not a leap year, it has 365 days.

Let's remove 52 saturdays and 53 sundays. It remains 260 days.

Now, let's remove 12 public holidays that do not fall during a weekend and we obtain 248 working days in 1950.

Here is the list of these 12 public holidays:

1. Second Day of the New Year : понедельник, 2 январь, 1950
2. Union of the Romanian Principalities : вторник, 24 январь, 1950
3. Orthodox Easter Friday : пятница, 7 апрель, 1950
4. Orthodox Easter Monday : понедельник, 10 апрель, 1950
5. Labour Day : понедельник, 1 май, 1950
6. Pentecost Monday : понедельник, 29 май, 1950
7. Children's Day : четверг, 1 июнь, 1950
8. Assumption : вторник, 15 август, 1950
9. St. Andrew's Day : четверг, 30 ноябрь, 1950
10. National Day : пятница, 1 декабрь, 1950
11. Christmas Day : понедельник, 25 декабрь, 1950
12. Boxing day : вторник, 26 декабрь, 1950

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

1. New Year's Day : воскресенье, 1 январь, 1950
2. Orthodox Easter Sunday : воскресенье, 9 апрель, 1950
3. Pentecost Sunday : воскресенье, 28 май, 1950