Define a period

...

How many working days in year 2040?

Here is the detail of the calculation:

Because 2040 is a leap year, it has 366 days.

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

Now, let's remove 11 public holidays that do not fall during a weekend and we obtain 250 working days in 2040.

Here is the list of these 11 public holidays:

1. New Year's Day Observance : Monday, 2 January, 2040
2. Australia Day : Thursday, 26 January, 2040
3. Canberra Day : Monday, 12 March, 2040
4. Good Friday : Friday, 30 March, 2040
5. Easter Monday : Monday, 2 April, 2040
6. Anzac Day : Wednesday, 25 April, 2040
7. Reconciliation Day : Monday, 28 May, 2040
8. King's Birthday : Monday, 11 June, 2040
9. Labour Day : Monday, 1 October, 2040
10. Christmas Day : Tuesday, 25 December, 2040
11. Boxing Day : Wednesday, 26 December, 2040

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

1. New Year's Day : Sunday, 1 January, 2040
2. Easter Saturday : Saturday, 31 March, 2040
3. Easter Sunday : Sunday, 1 April, 2040