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 1937?
Here is the detail of the calculation:
Because 1937 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 10 public holidays that do not fall during a weekend and we obtain 251 working days in 1937.
 Here is the list of these 10 public holidays: 
 
 1. Año Nuevo : Friday, 1 January, 1937 
2. Epifanía del Señor : Wednesday, 6 January, 1937 
3. Jueves santo : Thursday, 25 March, 1937 
4. Viernes Santo : Friday, 26 March, 1937 
5. Lunes de Pascua : Monday, 29 March, 1937 
6. Día de La Rioja : Wednesday, 9 June, 1937 
7. Fiesta nacional de España : Tuesday, 12 October, 1937 
8. Todos los Santos : Monday, 1 November, 1937 
9. Día de la Constitución Española : Monday, 6 December, 1937 
10. Immaculada Concepcíon : Wednesday, 8 December, 1937 
And here are the 3 public holidays falling on a weekend:
1. Fiesta del Trabajo : Saturday, 1 May, 1937 
2. Asuncíon de la Virgen : Sunday, 15 August, 1937 
3. Día de Navidad : Saturday, 25 December, 1937