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 10 public holidays that do not fall during a weekend and we obtain 252 working days in 1980.
Here is the list of these 10 public holidays:
1. New Year's Day : Tuesday, 1 January, 1980
2. Easter Monday : Monday, 7 April, 1980
3. Labor Day : Thursday, 1 May, 1980
4. Ascension Day : Thursday, 15 May, 1980
5. Pentecost Monday : Monday, 26 May, 1980
6. Flemish Community Holiday : Friday, 11 July, 1980
7. National Day : Monday, 21 July, 1980
8. Assumption of Mary : Friday, 15 August, 1980
9. Armistice Day : Tuesday, 11 November, 1980
10. Christmas Day : Thursday, 25 December, 1980
And here is the public holiday falling on a weekend:
1. All Saints' Day : Saturday, 1 November, 1980