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How many working days in year 1920?

Here is the detail of the calculation:

Because 1920 is a leap year, it has 366 days.

Let's remove 52 saturdays and 52 sundays. It remains 262 days.

Now, let's remove 9 public holidays that do not fall during a weekend and we obtain 253 working days in 1920.

Here is the list of these 9 public holidays:

1. New Year's Day : четверг, 1 январь, 1920
2. St. Patrick's Day : среда, 17 март, 1920
3. Easter Monday : понедельник, 5 апрель, 1920
4. Early May Bank Holiday : понедельник, 3 май, 1920
5. June Bank Holiday : понедельник, 7 июнь, 1920
6. Summer Bank Holiday : понедельник, 2 август, 1920
7. October Bank Holiday : понедельник, 25 октябрь, 1920
8. Christmas Day (substitute day) : понедельник, 27 декабрь, 1920
9. St. Stephen's Day (substitute day) : вторник, 28 декабрь, 1920