Define a period

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How many working days in year 2080?

Here is the detail of the calculation:

Because 2080 is a leap year, it has 366 days.

Let's remove 52 saturdays and 52 sundays. It remains 262 days.

Now, let's remove 11 public holidays that do not fall during a weekend and we obtain 251 working days in 2080.

Here is the list of these 11 public holidays:

1. New Year's Day : Monday, 1 January, 2080
2. Australia Day : Friday, 26 January, 2080
3. Canberra Day : Monday, 11 March, 2080
4. Good Friday : Friday, 5 April, 2080
5. Easter Monday : Monday, 8 April, 2080
6. Anzac Day : Thursday, 25 April, 2080
7. Reconciliation Day : Monday, 27 May, 2080
8. King's Birthday : Monday, 10 June, 2080
9. Labour Day : Monday, 7 October, 2080
10. Christmas Day : Wednesday, 25 December, 2080
11. Boxing Day : Thursday, 26 December, 2080

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

1. Easter Saturday : Saturday, 6 April, 2080
2. Easter Sunday : Sunday, 7 April, 2080