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How many working days in year 2069?
Here is the detail of the calculation:
Because 2069 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 2069.
 Here is the list of these 14 public holidays: 
 
 1. New Year's Day : tuesday, january 1, 2069 
2. Martin Luther King Day : monday, january 21, 2069 
3. Lincoln's Birthday : tuesday, february 12, 2069 
4. Washington's Birthday : monday, february 18, 2069 
5. Good Friday : friday, april 12, 2069 
6. Memorial Day : monday, may 27, 2069 
7. Juneteenth National Independence Day : wednesday, june 19, 2069 
8. Independence Day : thursday, july 4, 2069 
9. Labor Day : monday, september 2, 2069 
10. Columbus Day : monday, october 14, 2069 
11. Election Day : tuesday, november 5, 2069 
12. Veterans Day : monday, november 11, 2069 
13. Thanksgiving : thursday, november 28, 2069 
14. Christmas : wednesday, december 25, 2069