how to calculate late start and late finish dates for a project
This date is based on the task's start date, as well as on the late start and late finish dates of predecessor and successor tasks, and other constraints. How Calculated When you first create a task, its late start date is the same as the project finish date minus the task duration.
Early finish date â adding duration to the early start date. Latest start date. Latest finish date â adding duration to latest start date. Slack time â difference between latest start date and early start date or between latest finish date and early finish date.