Click Date on a Phase, Subphase, Work Category, or Milestone.
Select a date range or enter the number of workdays for the Phase, Subphase, or Work Category. Optionally, add a date dependency if needed.
For Milestones, select a single date.
For Phases, Subphases and Work Categories, date range or number of Workdays from the start date can be set.
Click Done on the calendar. The selected dates will be updated.