Define a period

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How many working days in year 1924?

Here is the detail of the calculation:

Because 1924 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 1924.

Here is the list of these 9 public holidays:

1. New Year's Day : Tuesday, 1 January, 1924
2. Good Friday : Friday, 18 April, 1924
3. Spring Day : Thursday, 1 May, 1924
4. Victory Day : Monday, 23 June, 1924
5. Midsummer Day : Tuesday, 24 June, 1924
6. Independence Restoration Day : Wednesday, 20 August, 1924
7. Christmas Eve : Wednesday, 24 December, 1924
8. Christmas Day : Thursday, 25 December, 1924
9. Second Day of Christmas : Friday, 26 December, 1924

And here are the 3 public holidays falling on a weekend:

1. Independence Day : Sunday, 24 February, 1924
2. Easter : Sunday, 20 April, 1924
3. Pentecost : Sunday, 8 June, 1924