Calculating Elapsed Time

Name: _______________________________
Date: _______________________________

A. Calculate the Elapsed Time

Work out how much time has passed between the two times given.

1. Start: 9:15 am     End: 11:45 am Elapsed time: ________________
2. Start: 2:30 pm     End: 6:15 pm Elapsed time: ________________
3. Start: 10:45 am     End: 3:20 pm Elapsed time: ________________
4. Start: 8:25 am     End: 1:10 pm Elapsed time: ________________

B. Elapsed Time Using 24-Hour Format

Calculate the time intervals using 24-hour time notation.

5. Start: 14:20     End: 17:45 Elapsed time: ________________
6. Start: 09:15     End: 13:50 Elapsed time: ________________
7. Start: 21:40     End: 23:25 Elapsed time: ________________
8. Start: 06:55     End: 15:30 Elapsed time: ________________

C. Time Intervals Across Midnight

Calculate elapsed time when the time period crosses over midnight.

9. Start: 10:30 pm     End: 2:15 am (next day) Elapsed: ________________
10. Start: 22:45     End: 01:20 (next day) Elapsed: ________________
11. Start: 11:25 pm     End: 3:40 am (next day) Elapsed: ________________

D. Problem Solving

12. A movie starts at 7:25 pm and finishes at 9:50 pm. How long is the movie?

Answer: _________________________________________

13. Sarah leaves home at 08:45 for a road trip. She arrives at her destination at 15:20. How long did her journey take?

Answer: _________________________________________

14. A baker starts work at 4:30 am and finishes at 1:15 pm. How many hours and minutes does she work?

Answer: _________________________________________

15. A train departs at 23:35 and arrives at its destination at 02:10 the next day. What is the journey time?

Answer: _________________________________________