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 7 public holidays that do not fall during a weekend and we obtain 255 working days in 1980.
Here is the list of these 7 public holidays:
1. New Year's Day : Tuesday, 1 January, 1980
2. Good Friday : Friday, 4 April, 1980
3. Easter Monday : Monday, 7 April, 1980
4. May Day : Thursday, 1 May, 1980
5. Ascension Day : Thursday, 15 May, 1980
6. Christmas Day : Thursday, 25 December, 1980
7. St Stephen's Day : Friday, 26 December, 1980
And here are the 6 public holidays falling on a weekend:
1. Epiphany : Sunday, 6 January, 1980
2. Easter Sunday : Sunday, 6 April, 1980
3. Whit Sunday : Sunday, 25 May, 1980
4. Midsummer Day : Saturday, 21 June, 1980
5. All Saints' Day : Saturday, 1 November, 1980
6. Independence Day : Saturday, 6 December, 1980