Sarah reads for one hour each night. If she starts reading at 20:00, what time does she finish?
21:00
Ellen went outside to play. She left home at 16:00 and came home at 17:30. How long was she playing?
1.5 hours
I baked muffins on Sunday. They were in the oven for 30 minutes. I put them in at 12:00. What time did I take them out?
12:30