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. Uusaasta : Tuesday, 1 January, 1924
2. Suur Reede : Friday, 18 April, 1924
3. Kevadpüha : Thursday, 1 May, 1924
4. Võidupüha : Monday, 23 June, 1924
5. Jaanipäev : Tuesday, 24 June, 1924
6. Taasiseseisvumispäev : Wednesday, 20 August, 1924
7. Jõululaupäev : Wednesday, 24 December, 1924
8. Esimene jõulupüha : Thursday, 25 December, 1924
9. Teine jõulupüha : Friday, 26 December, 1924

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

1. Iseseisvuspäev : Sunday, 24 February, 1924
2. Ülestõusmispühad : Sunday, 20 April, 1924
3. Nelipühad : Sunday, 8 June, 1924