Определить период

...

How many working days in year 1965?

Here is the detail of the calculation:

Because 1965 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 8 public holidays that do not fall during a weekend and we obtain 253 working days in 1965.

Here is the list of these 8 public holidays:

1. New Year's Day : пятница, 1 январь, 1965
2. Good Friday : пятница, 16 апрель, 1965
3. Early May Bank Holiday : понедельник, 3 май, 1965
4. Spring Bank Holiday : понедельник, 31 май, 1965
5. Summer Bank Holiday : понедельник, 2 август, 1965
6. St Andrew's Day : вторник, 30 ноябрь, 1965
7. Christmas Day (substitute day) : понедельник, 27 декабрь, 1965
8. Boxing Day (substitute day) : вторник, 28 декабрь, 1965