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Time Calculations

nbrown
in The Left Brain

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I'm working on a calculation that will take two times and determine how many hours & minutes are between them. For example if I input 13:11 and 13:25 the calculation has to determine there is 14 minutes between the two values.. or 13:00 and 15:00 it needs to determine there are two hours between. The calculation that I'm currently using is not functioning properly it just keeps returning a -20. Any body out there that will show me the light?

Thanks, Nic

OK. Calc is

End Time - Start Time.

Format as time.

This will determine the time difference.

Will not work if you go over into the next day though.

but as simple as I can get it, this works.

Over more than one day, I use these fields

StartDate, in date format

FinishDate, in date format

StartTime, in time format

FinishTime, in time format

Duration, in time format, calc field

Then, the Duration is

code:


Duration = (FinishDate-StartDate)*86400 + (FinishTime-StartTime)


Russ Baker



			

			
		


		

	

	
	


	



                    
                    
					
					
					

					
					
					
				

					

					
					








	
	

	



	

		

			
				
			
			
			
    
				
					
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Excellent!  Worked nicely.  Thanks for your help.



			

			
		


		

	

	
	


	



                    
                    
					
					
					

					
					
					
				
			
			



		

		
	

	
	
	
	
		

			
				
				



	
	
		

			
				
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