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 4 public holidays that do not fall during a weekend and we obtain 257 working days in 2003.

Here is the list of these 4 public holidays:

1. New Year's Day : Wednesday, 1 January, 2003
2. Good Friday : Friday, 18 April, 2003
3. Labour Day : Thursday, 1 May, 2003
4. Christmas Day : Thursday, 25 December, 2003

And here is the public holiday falling on a weekend:

1. National Day : Saturday, 9 August, 2003