Calculating duration in hours
Start time: 7 a.m.
End time: 10 a.m.
How long is the duration?
3 h
Start time: 7.20 a.m.
End time: 7.35 a.m.
What was the duration?
15 min
She woke up at 6 p.m.
How long did she sleep?
2h
Start time: 8.05 a.m.
Finish time" 8.40 a.m.
How long?
35 min
Gavin started his piano lesson at 10.30 a.m.
He finished his lesson at 1.30 p.m.
How long was the piano lesson?
3h
Jack started running at 10.10 a.m. He finished at 10.50 a.m.
How long did he run?
40 min
Mr Lee started painting his flat at 11.20 am. He stopped painting at 4.20pm.
How long did he paint his flat for?
5h
Kate had her lunch at 1.15 p.m. She finished eating at 2 p.m.
How long did she eat?
45 min
Cynthia watched a movie. It started at 9.30p.m. and ended at 12.30a.m.
How long was the concert?
3h
Joash finished bathing and came out from the toilet at 3.05 p.m. He went in to the toilet at 2.30 p.m.
How long did he take to bath?
35 min