Define a period

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How many working days in year 1958?

Here is the detail of the calculation:

Because 1958 is not a leap year, it has 365 days.

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

Now, let's remove 10 public holidays that do not fall during a weekend and we obtain 251 working days in 1958.

Here is the list of these 10 public holidays:

1. New Year's Day : Wednesday, 1 January, 1958
2. New Year Holiday : Thursday, 2 January, 1958
3. Easter Monday : Monday, 7 April, 1958
4. May Day : Thursday, 1 May, 1958
5. May Day Holiday : Friday, 2 May, 1958
6. Statehood Day : Wednesday, 25 June, 1958
7. Assumption Day : Friday, 15 August, 1958
8. Reformation Day : Friday, 31 October, 1958
9. Christmas Day : Thursday, 25 December, 1958
10. Independence and Unity Day : Friday, 26 December, 1958

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

1. Preseren's Day : Saturday, 8 February, 1958
2. Easter : Sunday, 6 April, 1958
3. Resistance Day : Sunday, 27 April, 1958
4. Whitsunday : Sunday, 25 May, 1958
5. All Saints' Day : Saturday, 1 November, 1958