Back Through The Past

Karyn turned the hourglass upside down again and waited a few minutes for all the sand to fall to the bottom. Once it did, she immediately looked around to see if everyone was moving again. They were, but it seemed as if they were all moving backwards. She walked towards Jon, but Jon backed away from her as if he was walking backwards. Cars were all moving in reverse. And the hands on the mall clock were rotating counter-clockwise. Time was going backwards! Karyn panicked. What was she going to do?