Define a period

...

How many working days in year 2040?

Here is the detail of the calculation:

Because 2040 is a leap year, it has 366 days.

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

Now, let's remove 9 public holidays that do not fall during a weekend and we obtain 252 working days in 2040.

Here is the list of these 9 public holidays:

1. Θεοφάνεια : Friday, 6 January, 2040
2. Καθαρά Δευτέρα : Monday, 19 March, 2040
3. Εργατική Πρωτομαγιά : Tuesday, 1 May, 2040
4. Μεγάλη Παρασκευή : Friday, 4 May, 2040
5. Δευτέρα του Πάσχα : Monday, 7 May, 2040
6. Δευτέρα Πεντηκοστής : Monday, 25 June, 2040
7. Κοίμηση της Θεοτόκου : Wednesday, 15 August, 2040
8. Χριστούγεννα : Tuesday, 25 December, 2040
9. Σύναξη της Θεοτόκου : Wednesday, 26 December, 2040

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

1. Πρωτοχρονιά : Sunday, 1 January, 2040
2. Εικοστή Πέμπτη Μαρτίου : Sunday, 25 March, 2040
3. Ορθόδοξο Πάσχα : Sunday, 6 May, 2040
4. Πεντηκοστή : Sunday, 24 June, 2040
5. Ημέρα του Όχι : Sunday, 28 October, 2040