Define a period

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How many working days in year 1905?

Here is the detail of the calculation:

Because 1905 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 6 public holidays that do not fall during a weekend and we obtain 254 working days in 1905.

Here is the list of these 6 public holidays:

1. Independence Day : Friday, 24 February, 1905
2. Good Friday : Friday, 21 April, 1905
3. Spring Day : Monday, 1 May, 1905
4. Victory Day : Friday, 23 June, 1905
5. Christmas Day : Monday, 25 December, 1905
6. Second Day of Christmas : Tuesday, 26 December, 1905

And here are the 6 public holidays falling on a weekend:

1. New Year's Day : Sunday, 1 January, 1905
2. Easter : Sunday, 23 April, 1905
3. Pentecost : Sunday, 11 June, 1905
4. Midsummer Day : Saturday, 24 June, 1905
5. Independence Restoration Day : Sunday, 20 August, 1905
6. Christmas Eve : Sunday, 24 December, 1905