Move an object when you want it to begin and end at a different point in the Timeline.
To move an object bar in the Timeline
In the Timeline track area, drag an object bar left or right to move it in time.
A tooltip appears, identifying the new In and Out points as you drag the bar. A delta
symbol (triangle) indicates the number of frames you are moving.
To move an object bar and snap it to the In and Out points of neighboring objects
Press Shift as you drag the object bar in the Timeline.
Vertical lines appear in the track, corresponding to the In and Out points of other object
bars. The active object bar snaps to these lines as you drag.