Define a period

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How many working days in year 2016?

Here is the detail of the calculation:

Because 2016 is a leap year, it has 366 days.

Let's remove 53 saturdays and 52 sundays. It remains 261 days.

Now, let's remove 5 public holidays that do not fall during a weekend and we obtain 256 working days in 2016.

Here is the list of these 5 public holidays:

1. New Year's Day : Friday, 1 January, 2016
2. Good Friday : Friday, 25 March, 2016
3. Labour Day : Monday, 2 May, 2016
4. National Day : Tuesday, 9 August, 2016
5. Christmas Day : Monday, 26 December, 2016

And here are the 2 public holidays falling on a weekend:

1. Labour Day : Sunday, 1 May, 2016
2. Christmas Day : Sunday, 25 December, 2016