Define a period

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How many working days in year 1947?

Here is the detail of the calculation:

Because 1947 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 12 public holidays that do not fall during a weekend and we obtain 249 working days in 1947.

Here is the list of these 12 public holidays:

1. Πρωτοχρονιά : Wednesday, 1 January, 1947
2. Θεοφάνεια : Monday, 6 January, 1947
3. Καθαρά Δευτέρα : Monday, 24 February, 1947
4. Εικοστή Πέμπτη Μαρτίου : Tuesday, 25 March, 1947
5. Μεγάλη Παρασκευή : Friday, 11 April, 1947
6. Δευτέρα του Πάσχα : Monday, 14 April, 1947
7. Εργατική Πρωτομαγιά : Thursday, 1 May, 1947
8. Δευτέρα Πεντηκοστής : Monday, 2 June, 1947
9. Κοίμηση της Θεοτόκου : Friday, 15 August, 1947
10. Ημέρα του Όχι : Tuesday, 28 October, 1947
11. Χριστούγεννα : Thursday, 25 December, 1947
12. Σύναξη της Θεοτόκου : Friday, 26 December, 1947

And here are the 2 public holidays falling on a weekend:

1. Ορθόδοξο Πάσχα : Sunday, 13 April, 1947
2. Πεντηκοστή : Sunday, 1 June, 1947