Total time is time between a workflow start and end. Start and end, determine by blue markers at the top of the workflow:

Workflow starts when the left-most task within blue markers starts (or technically when the previous task is completed). In the example above workflow starts when Tech Exam starts - and that actually starts as soon as hospitalization is created because that’s the very first task.

When the blue marker is not at the left edge of the workflow then workflow start time matches execution time of the previous task:

We hope you found this information useful!