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 9 public holidays that do not fall during a weekend and we obtain 253 working days in 1980.
Here is the list of these 9 public holidays:
1. Новы год : Tuesday, 1 January, 1980
2. Новы год : Wednesday, 2 January, 1980
3. Каляды праваслаўныя : Monday, 7 January, 1980
4. Радунiца : Tuesday, 15 April, 1980
5. Дзень працы : Thursday, 1 May, 1980
6. Дзень Перамогi : Friday, 9 May, 1980
7. Дзень Незалежнасцi : Thursday, 3 July, 1980
8. Дзень Кастрычніцкай рэвалюцыі : Friday, 7 November, 1980
9. Каляды каталiцкiя : Thursday, 25 December, 1980
And here is the public holiday falling on a weekend:
1. Мiжнародны жаночы дзень : Saturday, 8 March, 1980