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How many working days in year 1983?

Here is the detail of the calculation:

Because 1983 is not a leap year, it has 365 days.

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

Now, let's remove 10 public holidays that do not fall during a weekend and we obtain 250 working days in 1983.

Here is the list of these 10 public holidays:

1. New Year's Day (substitute day) : понедельник, 3 январь, 1983
2. St. Patrick's Day : четверг, 17 март, 1983
3. Good Friday : пятница, 1 апрель, 1983
4. Easter Monday : понедельник, 4 апрель, 1983
5. Early May Bank Holiday : понедельник, 2 май, 1983
6. Spring Bank Holiday : понедельник, 30 май, 1983
7. Orangemen's Day : вторник, 12 июль, 1983
8. Late Summer Bank Holiday : понедельник, 29 август, 1983
9. Christmas Day (substitute day) : понедельник, 26 декабрь, 1983
10. Boxing Day (substitute day) : вторник, 27 декабрь, 1983