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How many working days in year 1978?

Here is the detail of the calculation:

Because 1978 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 1978.

Here is the list of these 9 public holidays:

1. New Year's Day (substitute day) : понедельник, 2 январь, 1978
2. St. Patrick's Day : пятница, 17 март, 1978
3. Easter Monday : понедельник, 27 март, 1978
4. Early May Bank Holiday : понедельник, 1 май, 1978
5. June Bank Holiday : понедельник, 5 июнь, 1978
6. Summer Bank Holiday : понедельник, 7 август, 1978
7. October Bank Holiday : понедельник, 30 октябрь, 1978
8. Christmas Day : понедельник, 25 декабрь, 1978
9. St. Stephen's Day : вторник, 26 декабрь, 1978