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”
or
“I won't be working first week of next may (going to Greece)”
Assistant:
I understand all languages.
How many working days in year 2009?
Here is the detail of the calculation:
Because 2009 is not a leap year, it has 365 days.
Let's remove 52 saturdays and 52 sundays. It remains 261 days.
Now, let's remove 14 public holidays that do not fall during a weekend and we obtain 247 working days in 2009.
Here is the list of these 14 public holidays:
1. New Year's Day : четвер, січень 1, 2009
2. Martin Luther King Day : понеділок, січень 19, 2009
3. Lincoln's Birthday : четвер, лютий 12, 2009
4. Washington's Birthday : понеділок, лютий 16, 2009
5. Good Friday : п'ятниця, квітень 10, 2009
6. Memorial Day : понеділок, травень 25, 2009
7. Juneteenth National Independence Day : п'ятниця, червень 19, 2009
8. Independence Day (observance) : п'ятниця, липень 3, 2009
9. Labor Day : понеділок, вересень 7, 2009
10. Columbus Day : понеділок, жовтень 12, 2009
11. Election Day : вівторок, листопад 3, 2009
12. Veterans Day : середа, листопад 11, 2009
13. Thanksgiving : четвер, листопад 26, 2009
14. Christmas : п'ятниця, грудень 25, 2009
And here is the public holiday falling on a weekend:
1. Independence Day : субота, липень 4, 2009