Define a period

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How many working days in year 1938?

Here is the detail of the calculation:

Because 1938 is not a leap year, it has 365 days.

Let's remove 53 saturdays and 52 sundays. It remains 260 days.

Now, let's remove 7 public holidays that do not fall during a weekend and we obtain 253 working days in 1938.

Here is the list of these 7 public holidays:

1. Easter Monday : Monday, 18 April, 1938
2. Ascension Day : Thursday, 26 May, 1938
3. Pentecost Monday : Monday, 6 June, 1938
4. National Day : Thursday, 21 July, 1938
5. Assumption of Mary : Monday, 15 August, 1938
6. All Saints' Day : Tuesday, 1 November, 1938
7. Armistice Day : Friday, 11 November, 1938

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

1. New Year's Day : Saturday, 1 January, 1938
2. Labor Day : Sunday, 1 May, 1938
3. Christmas Day : Sunday, 25 December, 1938