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End Date Variance

 

End Date Variance measures how much the project’s finish date has shifted from the original baseline finish date. It helps you understand how many days the project is ahead or behind schedule. 

End Date Variance = Critical Path Delay - Planned Impact

Critical Path Delay: The number of days the project’s critical path has been delayed due to slower-than-planned progress.

Acceleration/Planned Impact: The number of days the project schedule has been shortened through efforts like resequencing tasks or reducing duration. 

  • Positive End Date Variance: Indicates the project is behind schedule. The greater the positive value, the more the project is delayed.
  • Negative End Date Variance: Indicates the project is ahead of schedule. A negative value suggests that acceleration efforts have moved the finish date earlier than planned.
  • Zero End Date Variance: Indicates the project is on schedule, with no change to the original finish date.

Example:

If the Critical Path Delay is 30 days and the Acceleration is 10 days, here is the End Dave Variance calculation:

30 days (critical path delay) - 10 days (acceleration/planned impact) = End Date Variance of 20 days

This project is 20 days behind the original schedule.