Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 357 · 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.Write 5:55 a.m. in 24-hour time. (a) 07:55 (b) 05:55 (c) 17:55
2. 2.Write 3:20 a.m. in 24-hour time. (a) 05:20 (b) 15:20 (c) 03:20
3. 3.A train leaves at 07:55 and reaches at 08:50. How long is the journey (in minutes)?
4. 4.What is 19:30 in 12-hour time? (a) 9:30 p.m. (b) 7:30 a.m. (c) 7:30 p.m.
5. 5.A train leaves at 14:15 and reaches at 17:30. How long is the journey (in minutes)?
6. 6.Write 5:45 a.m. in 24-hour time. (a) 07:45 (b) 05:45 (c) 17:45
7. 7.A film is 4 hours 55 minutes long. How many minutes is that?
8. 8.A match starts at 18:40 and lasts 1 hour. At what time does it end? (a) 19:40 (b) 18:40 (c) 20:40
9. 9.Write 3:15 p.m. in 24-hour time. (a) 17:15 (b) 03:15 (c) 15:15
10. 10.A film is 3 hours 50 minutes long. How many minutes is that?
11. 11.A film is 4 hours 15 minutes long. How many minutes is that?
12. 12.A train leaves at 07:55 and reaches at 10:35. How long is the journey (in minutes)?
13. 13.A film is 3 hours 20 minutes long. How many minutes is that?
14. 14.A match starts at 17:20 and lasts 3 hours 20 minutes. At what time does it end? (a) 20:40 (b) 19:40 (c) 21:40
15. 15.A train leaves at 06:45 and reaches at 08:55. How long is the journey (in minutes)?
16. 16.A film is 3 hours 25 minutes long. How many minutes is that?
17. 17.What is 07:05 in 12-hour time? (a) 9:05 a.m. (b) 7:05 p.m. (c) 7:05 a.m.
18. 18.A match starts at 10:40 and lasts 2 hours 40 minutes. At what time does it end? (a) 14:20 (b) 12:20 (c) 13:20
19. 19.A match starts at 06:35 and lasts 3 hours 50 minutes. At what time does it end? (a) 09:25 (b) 11:25 (c) 10:25
20. 20.Write 6:10 a.m. in 24-hour time. (a) 06:10 (b) 08:10 (c) 18:10
21. 21.How many hours are there from 10:00 to 12:00?
22. 22.What is 09:15 in 12-hour time? (a) 9:15 p.m. (b) 11:15 a.m. (c) 9:15 a.m.
23. 23.Write 3:45 a.m. in 24-hour time. (a) 15:45 (b) 03:45 (c) 05:45
24. 24.A film is 2 hours 20 minutes long. How many minutes is that?
25. 25.How many hours are there from 06:00 to 13:00?
26. 26.Write 3:55 a.m. in 24-hour time. (a) 03:55 (b) 05:55 (c) 15:55
27. 27.A match starts at 11:35 and lasts 2 hours 20 minutes. At what time does it end? (a) 12:55 (b) 13:55 (c) 14:55
28. 28.A match starts at 09:40 and lasts 3 hours 30 minutes. At what time does it end? (a) 12:10 (b) 13:10 (c) 14:10
29. 29.Write 8:20 p.m. in 24-hour time. (a) 22:20 (b) 08:20 (c) 20:20
30. 30.A film is 1 hour 30 minutes long. How many minutes is that?
31. 31.What is 04:45 in 12-hour time? (a) 6:45 a.m. (b) 4:45 a.m. (c) 4:45 p.m.
32. 32.A match starts at 17:15 and lasts 2 hours. At what time does it end? (a) 19:15 (b) 20:15 (c) 18:15
33. 33.What is 11:30 in 12-hour time? (a) 11:30 p.m. (b) 1:30 a.m. (c) 11:30 a.m.
34. 34.A match starts at 08:50 and lasts 1 hour 55 minutes. At what time does it end? (a) 10:45 (b) 11:45 (c) 09:45
35. 35.What is 19:20 in 12-hour time? (a) 7:20 p.m. (b) 7:20 a.m. (c) 9:20 p.m.
36. 36.Write 7:30 a.m. in 24-hour time. (a) 09:30 (b) 19:30 (c) 07:30
37. 37.Write 7:50 a.m. in 24-hour time. (a) 07:50 (b) 19:50 (c) 09:50
38. 38.How many hours are there from 09:00 to 23:00?
39. 39.Write 1:30 a.m. in 24-hour time. (a) 03:30 (b) 01:30 (c) 13:30
40. 40.How many hours are there from 08:00 to 10:00?

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