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How many working days in year 2147?

Here is the detail of the calculation:

Because 2147 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 9 public holidays that do not fall during a weekend and we obtain 251 working days in 2147.

Here is the list of these 9 public holidays:

1. New Year's Day (substitute day) : понедельник, 2 январь, 2147
2. 2nd January (substitute day) : вторник, 3 январь, 2147
3. Good Friday : пятница, 14 апрель, 2147
4. Early May Bank Holiday : понедельник, 1 май, 2147
5. Spring Bank Holiday : понедельник, 29 май, 2147
6. Summer Bank Holiday : понедельник, 7 август, 2147
7. St Andrew's Day : четверг, 30 ноябрь, 2147
8. Christmas Day : понедельник, 25 декабрь, 2147
9. Boxing Day : вторник, 26 декабрь, 2147