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 10 public holidays that do not fall during a weekend and we obtain 251 working days in 2003.

Here is the list of these 10 public holidays:

1. New Year's Day : Wednesday, 1 January, 2003
2. Australia Day Observance : Monday, 27 January, 2003
3. Canberra Day : Monday, 10 March, 2003
4. Good Friday : Friday, 18 April, 2003
5. Easter Monday : Monday, 21 April, 2003
6. Anzac Day : Friday, 25 April, 2003
7. King's Birthday : Monday, 9 June, 2003
8. Labour Day : Monday, 6 October, 2003
9. Christmas Day : Thursday, 25 December, 2003
10. Boxing Day : Friday, 26 December, 2003

And here are the 3 public holidays falling on a weekend:

1. Australia Day : Sunday, 26 January, 2003
2. Easter Saturday : Saturday, 19 April, 2003
3. Easter Sunday : Sunday, 20 April, 2003