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How many working days in year 2008?
Here is the detail of the calculation:
Because 2008 is a leap year, it has 366 days.
Let's remove 52 saturdays and 52 sundays. It remains 262 days.
Now, let's remove 12 public holidays that do not fall during a weekend and we obtain 250 working days in 2008.
 Here is the list of these 12 public holidays: 
 
 1. New Year's Day : tuesday, january 1, 2008 
2. Martin Luther King Day : monday, january 21, 2008 
3. Washington's Birthday : monday, february 18, 2008 
4. Memorial Day : monday, may 26, 2008 
5. Juneteenth National Independence Day : thursday, june 19, 2008 
6. Independence Day : friday, july 4, 2008 
7. Labor Day : monday, september 1, 2008 
8. Columbus Day : monday, october 13, 2008 
9. Veterans Day : tuesday, november 11, 2008 
10. Thanksgiving : thursday, november 27, 2008 
11. Black Friday : friday, november 28, 2008 
12. Christmas : thursday, december 25, 2008