Define a period

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How many working days in year 1982?

Here is the detail of the calculation:

Because 1982 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 1982.

Here is the list of these 10 public holidays:

1. New Year's Day : Friday, 1 January, 1982
2. Human Rights Day observance : Monday, 22 March, 1982
3. Good Friday : Friday, 9 April, 1982
4. Family Day : Monday, 12 April, 1982
5. Freedom Day : Tuesday, 27 April, 1982
6. Youth Day : Wednesday, 16 June, 1982
7. National Women's Day : Monday, 9 August, 1982
8. Heritage Day : Friday, 24 September, 1982
9. Day of Reconciliation : Thursday, 16 December, 1982
10. Day of Goodwill observance : Monday, 27 December, 1982

And here are the 4 public holidays falling on a weekend:

1. Human Rights Day : Sunday, 21 March, 1982
2. Workers' Day : Saturday, 1 May, 1982
3. Christmas Day : Saturday, 25 December, 1982
4. Day of Goodwill : Sunday, 26 December, 1982