Time - (Duration|Elapsed Time)
Table of Contents
1 - About
A duration is the period of time between two event occurrences, computed as the difference of the time coordinates of those events.
A duration is a amount of time that may be expressed in term of unit of time
- in a day-based fashion (ie 2 days 3 hour ..)
- or in a time-based fashion, such as 45.7 seconds.
Elapsed time (wall clock) is a duration needed to perform a task.
2 - Articles Related
3 - Negative
A duration may be negative because of the leap second