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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 10 public holidays that do not fall during a weekend and we obtain 251 working days in 1965.

Here is the list of these 10 public holidays:

1. New Year's Day : пятница, 1 январь, 1965
2. St. Patrick's Day : среда, 17 март, 1965
3. Good Friday : пятница, 16 апрель, 1965
4. Easter Monday : понедельник, 19 апрель, 1965
5. Early May Bank Holiday : понедельник, 3 май, 1965
6. Spring Bank Holiday : понедельник, 31 май, 1965
7. Orangemen's Day : понедельник, 12 июль, 1965
8. Late Summer Bank Holiday : понедельник, 30 август, 1965
9. Christmas Day (substitute day) : понедельник, 27 декабрь, 1965
10. Boxing Day (substitute day) : вторник, 28 декабрь, 1965