Define a period

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How many working days in year 1928?

Here is the detail of the calculation:

Because 1928 is a leap year, it has 366 days.

Let's remove 52 saturdays and 53 sundays. It remains 261 days.

Now, let's remove 7 public holidays that do not fall during a weekend and we obtain 254 working days in 1928.

Here is the list of these 7 public holidays:

1. Iseseisvuspäev : Friday, 24 February, 1928
2. Suur Reede : Friday, 6 April, 1928
3. Kevadpüha : Tuesday, 1 May, 1928
4. Taasiseseisvumispäev : Monday, 20 August, 1928
5. Jõululaupäev : Monday, 24 December, 1928
6. Esimene jõulupüha : Tuesday, 25 December, 1928
7. Teine jõulupüha : Wednesday, 26 December, 1928

And here are the 5 public holidays falling on a weekend:

1. Uusaasta : Sunday, 1 January, 1928
2. Ülestõusmispühad : Sunday, 8 April, 1928
3. Nelipühad : Sunday, 27 May, 1928
4. Võidupüha : Saturday, 23 June, 1928
5. Jaanipäev : Sunday, 24 June, 1928