Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 9 · 40 sums

The method (Add 12 after noon): a.m. → keep the hour, written with 2 digits: 07:15. p.m. → add 12 to the hour: 3:35 p.m. = 15:35. 24-hour back to 12-hour: hour more than 12 → take away 12 and say p.m. Time taken: count whole hours, then minutes. 1 hour = 60 minutes.

1. 1.How many hours are there from 12:00 to 19:00?
2. 2.How many hours are there from 05:00 to 21:00?
3. 3.A film is 2 hours 15 minutes long. How many minutes is that?
4. 4.What is 05:05 in 12-hour time? (a) 7:05 a.m. (b) 5:05 a.m. (c) 5:05 p.m.
5. 5.What is 20:55 in 12-hour time? (a) 10:55 p.m. (b) 8:55 a.m. (c) 8:55 p.m.
6. 6.How many hours are there from 06:00 to 17:00?
7. 7.How many hours are there from 11:00 to 13:00?
8. 8.A train leaves at 15:35 and reaches at 18:10. How long is the journey (in minutes)?
9. 9.A match starts at 15:00 and lasts 3 hours 15 minutes. At what time does it end? (a) 19:15 (b) 17:15 (c) 18:15
10. 10.A match starts at 08:50 and lasts 4 hours 55 minutes. At what time does it end? (a) 12:45 (b) 13:45 (c) 14:45
11. 11.How many hours are there from 10:00 to 18:00?
12. 12.A film is 2 hours 50 minutes long. How many minutes is that?
13. 13.What is 21:20 in 12-hour time? (a) 9:20 a.m. (b) 9:20 p.m. (c) 11:20 p.m.
14. 14.What is 09:30 in 12-hour time? (a) 11:30 a.m. (b) 9:30 p.m. (c) 9:30 a.m.
15. 15.Write 9:30 a.m. in 24-hour time. (a) 21:30 (b) 09:30 (c) 11:30
16. 16.A film is 1 hour 5 minutes long. How many minutes is that?
17. 17.Write 3:25 p.m. in 24-hour time. (a) 15:25 (b) 03:25 (c) 17:25
18. 18.A match starts at 07:45 and lasts 4 hours 5 minutes. At what time does it end? (a) 10:50 (b) 12:50 (c) 11:50
19. 19.What is 08:45 in 12-hour time? (a) 8:45 a.m. (b) 8:45 p.m. (c) 10:45 a.m.
20. 20.A train leaves at 09:10 and reaches at 11:05. How long is the journey (in minutes)?
21. 21.What is 14:40 in 12-hour time? (a) 2:40 a.m. (b) 2:40 p.m. (c) 4:40 p.m.
22. 22.Write 9:05 a.m. in 24-hour time. (a) 11:05 (b) 21:05 (c) 09:05
23. 23.How many hours are there from 11:00 to 16:00?
24. 24.What is 20:00 in 12-hour time? (a) 8:00 p.m. (b) 8:00 a.m. (c) 10:00 p.m.
25. 25.A film is 3 hours 40 minutes long. How many minutes is that?
26. 26.Write 3:20 a.m. in 24-hour time. (a) 03:20 (b) 15:20 (c) 05:20
27. 27.What is 09:10 in 12-hour time? (a) 9:10 a.m. (b) 9:10 p.m. (c) 11:10 a.m.
28. 28.How many hours are there from 08:00 to 19:00?
29. 29.A film is 4 hours 25 minutes long. How many minutes is that?
30. 30.A match starts at 18:00 and lasts 2 hours. At what time does it end? (a) 21:00 (b) 19:00 (c) 20:00
31. 31.Write 10:05 a.m. in 24-hour time. (a) 10:05 (b) 22:05 (c) 12:05
32. 32.A match starts at 06:50 and lasts 2 hours 30 minutes. At what time does it end? (a) 10:20 (b) 08:20 (c) 09:20
33. 33.A train leaves at 08:30 and reaches at 10:25. How long is the journey (in minutes)?
34. 34.A film is 3 hours 10 minutes long. How many minutes is that?
35. 35.Write 2:10 a.m. in 24-hour time. (a) 04:10 (b) 02:10 (c) 14:10
36. 36.A film is 2 hours 45 minutes long. How many minutes is that?
37. 37.A film is 1 hour 20 minutes long. How many minutes is that?
38. 38.A match starts at 07:50 and lasts 4 hours. At what time does it end? (a) 12:50 (b) 10:50 (c) 11:50
39. 39.Write 6:45 a.m. in 24-hour time. (a) 18:45 (b) 08:45 (c) 06:45
40. 40.A film is 4 hours 40 minutes long. How many minutes is that?

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