Define a period

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How many working days in year 2003?

Here is the detail of the calculation:

Because 2003 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 9 public holidays that do not fall during a weekend and we obtain 252 working days in 2003.

Here is the list of these 9 public holidays:

1. New Year's Day : Wednesday, 1 January, 2003
2. New Year's Holiday : Thursday, 2 January, 2003
3. Orthodox Christmas Day : Tuesday, 7 January, 2003
4. National Day Holiday : Monday, 17 February, 2003
5. Great Friday : Friday, 25 April, 2003
6. Easter Monday : Monday, 28 April, 2003
7. May Day : Thursday, 1 May, 2003
8. May Day Holiday : Friday, 2 May, 2003
9. Armistice Day : Tuesday, 11 November, 2003

And here are the 4 public holidays falling on a weekend:

1. National Day : Saturday, 15 February, 2003
2. National Day Holiday : Sunday, 16 February, 2003
3. Orthodox Easter Saturday : Saturday, 26 April, 2003
4. Easter : Sunday, 27 April, 2003