Define a period

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How many working days in year 2000?

Here is the detail of the calculation:

Because 2000 is a leap year, it has 366 days.

Let's remove 53 saturdays and 53 sundays. It remains 260 days.

Now, let's remove 10 public holidays that do not fall during a weekend and we obtain 250 working days in 2000.

Here is the list of these 10 public holidays:

1. Union of the Romanian Principalities : Monday, 24 January, 2000
2. Orthodox Easter Friday : Friday, 28 April, 2000
3. Orthodox Easter Monday : Monday, 1 May, 2000
4. Children's Day : Thursday, 1 June, 2000
5. Pentecost Monday : Monday, 19 June, 2000
6. Assumption : Tuesday, 15 August, 2000
7. St. Andrew's Day : Thursday, 30 November, 2000
8. National Day : Friday, 1 December, 2000
9. Christmas Day : Monday, 25 December, 2000
10. Boxing day : Tuesday, 26 December, 2000

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

1. New Year's Day : Saturday, 1 January, 2000
2. Second Day of the New Year : Sunday, 2 January, 2000
3. Orthodox Easter Sunday : Sunday, 30 April, 2000
4. Pentecost Sunday : Sunday, 18 June, 2000