Define a period

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How many working days in year 2055?

Here is the detail of the calculation:

Because 2055 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 11 public holidays that do not fall during a weekend and we obtain 250 working days in 2055.

Here is the list of these 11 public holidays:

1. New Year's Day : Friday, 1 January, 2055
2. Australia Day : Tuesday, 26 January, 2055
3. Canberra Day : Monday, 8 March, 2055
4. Good Friday : Friday, 16 April, 2055
5. Easter Monday : Monday, 19 April, 2055
6. Anzac Day observance : Monday, 26 April, 2055
7. Reconciliation Day : Monday, 31 May, 2055
8. King's Birthday : Monday, 14 June, 2055
9. Labour Day : Monday, 4 October, 2055
10. Christmas Day Observance : Monday, 27 December, 2055
11. Boxing Day Observance : Tuesday, 28 December, 2055

And here are the 5 public holidays falling on a weekend:

1. Easter Saturday : Saturday, 17 April, 2055
2. Easter Sunday : Sunday, 18 April, 2055
3. Anzac Day : Sunday, 25 April, 2055
4. Christmas Day : Saturday, 25 December, 2055
5. Boxing Day : Sunday, 26 December, 2055