Assistant: Hello! I handle your requests in natural language, such as:
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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 13 public holidays that do not fall during a weekend and we obtain 249 working days in 1980.
Here is the list of these 13 public holidays:
1. New Year's Day : Tuesday, January 1, 1980
2. Martin Luther King Day : Monday, January 21, 1980
3. Lincoln's Birthday : Tuesday, February 12, 1980
4. Washington's Birthday : Monday, February 18, 1980
5. Memorial Day : Monday, May 26, 1980
6. Juneteenth National Independence Day : Thursday, June 19, 1980
7. Independence Day : Friday, July 4, 1980
8. Labor Day : Monday, September 1, 1980
9. Columbus Day : Monday, October 13, 1980
10. Election Day : Tuesday, November 4, 1980
11. Veterans Day : Tuesday, November 11, 1980
12. Thanksgiving : Thursday, November 27, 1980
13. Christmas : Thursday, December 25, 1980
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