Sandra and Heather hung out at the mall on Saturday. They spent 45 minutes shopping for clothes and 1 hour and 5 minutes at the food court. Then they spent 2 hours and 55 minutes at the video arcade before heading home. It was 2:40 P.M. when Sandra and Heather left the mall. What time did they start shopping for clothes? Include A.M. or P.M. in your answer (for example, 11:58 A.M.).