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 3 public holidays that do not fall during a weekend and we obtain 257 working days in 2000.

Here is the list of these 3 public holidays:

1. Labour and Solidarity Day : Monday, 1 May, 2000
2. Commemoration of Atatürk, Youth and Sports Day : Friday, 19 May, 2000
3. Victory Day : Wednesday, 30 August, 2000

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

1. New Year's Day : Saturday, 1 January, 2000
2. National Sovereignty and Children's Day : Sunday, 23 April, 2000
3. Republic Day Eve : Saturday, 28 October, 2000
4. Republic Day : Sunday, 29 October, 2000