Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 54 · 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 8:40 p.m. in 24-hour time. (a) 22:40 (b) 08:40 (c) 20:40
2. 2.Write 8:50 a.m. in 24-hour time. (a) 20:50 (b) 10:50 (c) 08:50
3. 3.A train leaves at 06:05 and reaches at 07:00. How long is the journey (in minutes)?
4. 4.What is 07:00 in 12-hour time? (a) 9:00 a.m. (b) 7:00 a.m. (c) 7:00 p.m.
5. 5.How many hours are there from 06:00 to 10:00?
6. 6.A train leaves at 15:50 and reaches at 16:40. How long is the journey (in minutes)?
7. 7.What is 18:55 in 12-hour time? (a) 8:55 p.m. (b) 6:55 a.m. (c) 6:55 p.m.
8. 8.What is 11:55 in 12-hour time? (a) 11:55 a.m. (b) 11:55 p.m. (c) 1:55 a.m.
9. 9.A film is 2 hours 20 minutes long. How many minutes is that?
10. 10.A film is 3 hours 55 minutes long. How many minutes is that?
11. 11.Write 4:55 a.m. in 24-hour time. (a) 06:55 (b) 04:55 (c) 16:55
12. 12.A match starts at 18:10 and lasts 4 hours 35 minutes. At what time does it end? (a) 21:45 (b) 22:45 (c) 23:45
13. 13.What is 07:05 in 12-hour time? (a) 7:05 p.m. (b) 9:05 a.m. (c) 7:05 a.m.
14. 14.A train leaves at 08:05 and reaches at 09:05. How long is the journey (in minutes)?
15. 15.Write 1:20 a.m. in 24-hour time. (a) 03:20 (b) 01:20 (c) 13:20
16. 16.Write 5:05 a.m. in 24-hour time. (a) 17:05 (b) 07:05 (c) 05:05
17. 17.A match starts at 07:50 and lasts 1 hour 10 minutes. At what time does it end? (a) 10:00 (b) 08:00 (c) 09:00
18. 18.What is 04:20 in 12-hour time? (a) 4:20 p.m. (b) 6:20 a.m. (c) 4:20 a.m.
19. 19.A match starts at 18:55 and lasts 1 hour 25 minutes. At what time does it end? (a) 19:20 (b) 20:20 (c) 21:20
20. 20.How many hours are there from 10:00 to 13:00?
21. 21.How many hours are there from 11:00 to 14:00?
22. 22.A match starts at 12:50 and lasts 4 hours 50 minutes. At what time does it end? (a) 16:40 (b) 18:40 (c) 17:40
23. 23.A train leaves at 14:20 and reaches at 15:45. How long is the journey (in minutes)?
24. 24.A match starts at 07:20 and lasts 3 hours 50 minutes. At what time does it end? (a) 12:10 (b) 10:10 (c) 11:10
25. 25.A train leaves at 07:10 and reaches at 09:30. How long is the journey (in minutes)?
26. 26.A film is 1 hour 30 minutes long. How many minutes is that?
27. 27.A film is 4 hours 15 minutes long. How many minutes is that?
28. 28.A match starts at 06:20 and lasts 2 hours 30 minutes. At what time does it end? (a) 07:50 (b) 08:50 (c) 09:50
29. 29.Write 11:45 a.m. in 24-hour time. (a) 23:45 (b) 13:45 (c) 11:45
30. 30.A film is 3 hours 10 minutes long. How many minutes is that?
31. 31.Write 3:15 a.m. in 24-hour time. (a) 05:15 (b) 03:15 (c) 15:15
32. 32.How many hours are there from 12:00 to 17:00?
33. 33.What is 06:15 in 12-hour time? (a) 6:15 p.m. (b) 8:15 a.m. (c) 6:15 a.m.
34. 34.Write 1:05 a.m. in 24-hour time. (a) 03:05 (b) 01:05 (c) 13:05
35. 35.A film is 4 hours 5 minutes long. How many minutes is that?
36. 36.Write 3:35 a.m. in 24-hour time. (a) 15:35 (b) 05:35 (c) 03:35
37. 37.A match starts at 14:25 and lasts 3 hours. At what time does it end? (a) 18:25 (b) 17:25 (c) 16:25
38. 38.A train leaves at 08:00 and reaches at 09:55. How long is the journey (in minutes)?
39. 39.Write 11:35 a.m. in 24-hour time. (a) 13:35 (b) 23:35 (c) 11:35
40. 40.How many hours are there from 06:00 to 22:00?

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