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 1966?
Here is the detail of the calculation:
Because 1966 is not a leap year, it has 365 days.
Let's remove 53 saturdays and 52 sundays. It remains 260 days.
Now, let's remove 10 public holidays that do not fall during a weekend and we obtain 250 working days in 1966.
 Here is the list of these 10 public holidays: 
 
 1. Lunes de Carnaval : Monday, 21 February, 1966 
2. Martes de Carnaval : Tuesday, 22 February, 1966 
3. Jueves Santo : Thursday, 7 April, 1966 
4. Viernes Santo : Friday, 8 April, 1966 
5. Declaración de la Independencia : Tuesday, 19 April, 1966 
6. Celebración de la constitución de un primer gobierno dentro del proceso de independencia nacional iniciado en la Revolución de Mayo. : Wednesday, 25 May, 1966 
7. Batalla de Carabobo : Friday, 24 June, 1966 
8. Día de San Pedro y San Pablo : Wednesday, 29 June, 1966 
9. Conmemora de la Declaración de independencia nacional de Venezuela (5 de julio de 1811) : Tuesday, 5 July, 1966 
10. Día de la Resistencia Indígena : Wednesday, 12 October, 1966 
And here are the 6 public holidays falling on a weekend:
1. Año Nuevo : Saturday, 1 January, 1966 
2. Día Internacional de los Trabajadores : Sunday, 1 May, 1966 
3. Natalicio del libertador Simón Bolívar : Sunday, 24 July, 1966 
4. Nochebuena : Saturday, 24 December, 1966 
5. Navidad : Sunday, 25 December, 1966 
6. Nochevieja : Saturday, 31 December, 1966