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How many working days in year 2027?
Here is the detail of the calculation:
Because 2027 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 6 public holidays that do not fall during a weekend and we obtain 255 working days in 2027.
 Here is the list of these 6 public holidays: 
 
 1. Neujahrstag : п'ятниця, 1 січень, 2027 
2. Karfreitag : п'ятниця, 26 березень, 2027 
3. Ostermontag : понеділок, 29 березень, 2027 
4. Christi Himmelfahrt : четвер, 6 травень, 2027 
5. Pfingstmontag : понеділок, 17 травень, 2027 
6. Weltkindertag : понеділок, 20 вересень, 2027 
And here are the 5 public holidays falling on a weekend:
1. Tag der Arbeit : субота, 1 травень, 2027 
2. Tag der Deutschen Einheit : неділя, 3 жовтень, 2027 
3. Reformationstag : неділя, 31 жовтень, 2027 
4. Weihnachtstag : субота, 25 грудень, 2027 
5. Zweiter Weihnachtsfeiertag : неділя, 26 грудень, 2027