How many working days in year 1980?
Here is the detail of the calculation:
Because 1980 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 1980.
Here is the list of these 11 public holidays:
1. New Year's Day : Tuesday, 1 January, 1980
2. Day after New Year's Day : Wednesday, 2 January, 1980
3. Auckland Day : Monday, 28 January, 1980
4. Waitangi Day : Wednesday, 6 February, 1980
5. Good Friday : Friday, 4 April, 1980
6. Easter Monday : Monday, 7 April, 1980
7. Anzac Day : Friday, 25 April, 1980
8. Queen's Birthday : Monday, 2 June, 1980
9. Labour Day : Monday, 27 October, 1980
10. Christmas Day : Thursday, 25 December, 1980
11. Boxing Day : Friday, 26 December, 1980