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 2015?
Here is the detail of the calculation:
Because 2015 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 2015.
 Here is the list of these 6 public holidays: 
 
 1. Jour de l'An : четвер, 1 січень, 2015 
2. Vendredi Saint : п'ятниця, 3 квітень, 2015 
3. Jeudi de l'Ascension : четвер, 14 травень, 2015 
4. Fête-Dieu : четвер, 4 червень, 2015 
5. Immaculée Conception : вівторок, 8 грудень, 2015 
6. Noël : п'ятниця, 25 грудень, 2015 
And here are the 3 public holidays falling on a weekend:
1. Fête nationale suisse : субота, 1 серпень, 2015 
2. Assomption : субота, 15 серпень, 2015 
3. Toussaint : неділя, 1 листопад, 2015