Length as Absolute Position ⌃⇧A — Logic Pro keyboard command of the day

  Length as Absolute Position ⌃⇧A

Works in the Event List windows. Toggles the display of Length/Info (note start) to Off Position/Info.

Change event position and length in Logic Pro — Apple Support

View > Length as Absolute Position: Makes the length display show the absolute position of the note off event, rather than its length from the note on position.

Length InfoOff Position