Assistant: Hello! I handle your requests in natural language, such as:
“Analyze the period from November 1, 2025, to April 25, 2028.”
or
“Add 100 business days to February 25, 2026.”
or
“Next Thursday at 2:12 PM + 124 working hours”
Assistant:
I understand all languages.
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. Capodanno : Tuesday, 1 January, 1980
2. Lunedì di Pasqua : Monday, 7 April, 1980
3. Anniversario Liberazione : Friday, 25 April, 1980
4. Festa del lavoro : Thursday, 1 May, 1980
5. Festa della Repubblica Italia : Monday, 2 June, 1980
6. Ferragosto o Assunzione : Friday, 15 August, 1980
7. Immacolata Concezione : Monday, 8 December, 1980
8. Santo Natale : Thursday, 25 December, 1980
9. Santo Stefano : Friday, 26 December, 1980
And here are the 2 public holidays falling on a weekend:
1. Epifania : Sunday, 6 January, 1980
2. Ognissanti o Tutti i Santi : Saturday, 1 November, 1980
Save 
Delete 
Copy 
