Question: how to calculate the time difference in tableau?
Answer: Find the time difference in seconds use below formulas.
1 hour = 3600 seconds. 33082/3600 = 9.189 hours. ... 
Now we need to write calculation for MM. ... 
finally we need seconds, left after converting HH:MM.
Concatenate all these HH , MM and SS to show as HH:MM:SS.