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## Date Difference for two rows

I am having problems calculating date difference for the below scenario. I want to calculate the total time spent on a particular job by a mechanic. When the mechanic start and pause we should calculate the difference between the two times, when he resumes and completes the task we should also calculate the difference between the 2nd start time and the completion time, finally we sum the 2 date differences. Time taken = (Pausedtime-Starttime)+( CompleteTime- Starttime)

On the below scenario the expected result is 10 munites

 Fleet No. DocEntry TaskCode Task Description Status Mechanic Activity Time Job Title Expected Result T001 3 SFREN24 ENGINE OIL LEAK MINOR Started Mechanic 1 14/03/2018 17:58 Diesel Mechanic T001 3 SFREN24 ENGINE OIL LEAK MINOR Paused Mechanic 1 14/03/2018 18:03 Diesel Mechanic 5 min T001 3 SFREN24 ENGINE OIL LEAK MINOR Started Mechanic 1 15/03/2018 10:40 Diesel Mechanic T001 3 SFREN24 ENGINE OIL LEAK MINOR Stopped Mechanic 1 15/03/2018 10:45 Diesel Mechanic 5min 10 min
Helper III

I am a bit of an amateur and there would be a much more sophisticated way to achieve this  but this solution worked for me 🙂

``````Job Duration =
VAR JobStart = CALCULATE(MIN(Table1[Activity Time]), Table1[Status ] = "Started")
VAR BreakStart = CALCULATE(MIN(Table1[Activity Time]), Table1[Status ] = "Paused")
VAR BreakEnd = CALCULATE(MAX(Table1[Activity Time]), Table1[Status ] = "Started")
VAR JobEnd = CALCULATE(MAX(Table1[Activity Time]), Table1[Status ] = "Stopped")
RETURN
CALCULATE(
DATEDIFF(JobStart,JobEnd,MINUTE) - DATEDIFF(BreakStart,BreakEnd,MINUTE)
)``````

PS: Ignore the 'DocEntry' figure, forgot to remove the quick sum calc 😁

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