Define a period

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How many working days in year 2007?

Here is the detail of the calculation:

Because 2007 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 2007.

Here is the list of these 12 public holidays:

1. New Year's Day : Monday, 1 January, 2007
2. National day (observance) : Monday, 5 March, 2007
3. Orthodox Easter Friday : Friday, 6 April, 2007
4. Orthodox Easter Monday : Monday, 9 April, 2007
5. Labour Day : Tuesday, 1 May, 2007
6. St. George's Day (observance) : Monday, 7 May, 2007
7. Culture and Literacy Day : Thursday, 24 May, 2007
8. Unification Day : Thursday, 6 September, 2007
9. Independence Day (observance) : Monday, 24 September, 2007
10. Christmas Eve : Monday, 24 December, 2007
11. Christmas Day : Tuesday, 25 December, 2007
12. Boxing day : Wednesday, 26 December, 2007

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

1. National day : Saturday, 3 March, 2007
2. Orthodox Easter Saturday : Saturday, 7 April, 2007
3. Orthodox Easter Sunday : Sunday, 8 April, 2007
4. St. George's Day : Sunday, 6 May, 2007
5. Independence Day : Saturday, 22 September, 2007