Less than five minutes transpire between the time that the clock is shown (at 11:45 PM) and when it starts chiming midnight.
Cinderella runs out of the ball, but as she appears outside, her glass slipper is already there ahead of her. Her yellow stocking feet are bare. She runs past it, then looks down at it.
While Cinderella and the Prince are dancing at the ball, they run into stepsister Prunella, standing on the sidelines. She is forced to take a step backward to get out of their way.