Define a period

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How many working days in year 2012?

Here is the detail of the calculation:

Because 2012 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 2012.

Here is the list of these 9 public holidays:

1. Θεοφάνεια : Friday, 6 January, 2012
2. Καθαρά Δευτέρα : Monday, 27 February, 2012
3. Μεγάλη Παρασκευή : Friday, 13 April, 2012
4. Δευτέρα του Πάσχα : Monday, 16 April, 2012
5. Εργατική Πρωτομαγιά : Tuesday, 1 May, 2012
6. Δευτέρα Πεντηκοστής : Monday, 4 June, 2012
7. Κοίμηση της Θεοτόκου : Wednesday, 15 August, 2012
8. Χριστούγεννα : Tuesday, 25 December, 2012
9. Σύναξη της Θεοτόκου : Wednesday, 26 December, 2012

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

1. Πρωτοχρονιά : Sunday, 1 January, 2012
2. Εικοστή Πέμπτη Μαρτίου : Sunday, 25 March, 2012
3. Ορθόδοξο Πάσχα : Sunday, 15 April, 2012
4. Πεντηκοστή : Sunday, 3 June, 2012
5. Ημέρα του Όχι : Sunday, 28 October, 2012