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How many working days in year 2066?

Here is the detail of the calculation:

Because 2066 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 2066.

Here is the list of these 10 public holidays:

1. New Year's Day : пятница, 1 январь, 2066
2. St. Patrick's Day : среда, 17 март, 2066
3. Good Friday : пятница, 9 апрель, 2066
4. Easter Monday : понедельник, 12 апрель, 2066
5. Early May Bank Holiday : понедельник, 3 май, 2066
6. Spring Bank Holiday : понедельник, 31 май, 2066
7. Orangemen's Day : понедельник, 12 июль, 2066
8. Late Summer Bank Holiday : понедельник, 30 август, 2066
9. Christmas Day (substitute day) : понедельник, 27 декабрь, 2066
10. Boxing Day (substitute day) : вторник, 28 декабрь, 2066