Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 543 · 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 07:00 to 22:00?
2. 2.What is 17:25 in 12-hour time? (a) 5:25 a.m. (b) 5:25 p.m. (c) 7:25 p.m.
3. 3.What is 08:55 in 12-hour time? (a) 8:55 a.m. (b) 10:55 a.m. (c) 8:55 p.m.
4. 4.A match starts at 14:20 and lasts 3 hours. At what time does it end? (a) 17:20 (b) 16:20 (c) 18:20
5. 5.Write 1:05 a.m. in 24-hour time. (a) 01:05 (b) 13:05 (c) 03:05
6. 6.What is 10:15 in 12-hour time? (a) 10:15 p.m. (b) 10:15 a.m. (c) 12:15 a.m.
7. 7.A train leaves at 17:15 and reaches at 20:00. How long is the journey (in minutes)?
8. 8.A film is 1 hour 40 minutes long. How many minutes is that?
9. 9.What is 06:45 in 12-hour time? (a) 6:45 p.m. (b) 8:45 a.m. (c) 6:45 a.m.
10. 10.Write 3:25 a.m. in 24-hour time. (a) 15:25 (b) 03:25 (c) 05:25
11. 11.A train leaves at 19:20 and reaches at 20:35. How long is the journey (in minutes)?
12. 12.A match starts at 06:45 and lasts 4 hours. At what time does it end? (a) 10:45 (b) 11:45 (c) 09:45
13. 13.A train leaves at 09:00 and reaches at 10:05. How long is the journey (in minutes)?
14. 14.A film is 3 hours 50 minutes long. How many minutes is that?
15. 15.Write 10:45 p.m. in 24-hour time. (a) 22:45 (b) 10:45 (c) 00:45
16. 16.What is 15:40 in 12-hour time? (a) 3:40 a.m. (b) 3:40 p.m. (c) 5:40 p.m.
17. 17.A train leaves at 16:00 and reaches at 16:55. How long is the journey (in minutes)?
18. 18.What is 18:10 in 12-hour time? (a) 6:10 p.m. (b) 8:10 p.m. (c) 6:10 a.m.
19. 19.Write 3:10 a.m. in 24-hour time. (a) 05:10 (b) 03:10 (c) 15:10
20. 20.A train leaves at 16:10 and reaches at 18:00. How long is the journey (in minutes)?
21. 21.A match starts at 06:15 and lasts 1 hour 45 minutes. At what time does it end? (a) 09:00 (b) 08:00 (c) 07:00
22. 22.How many hours are there from 10:00 to 21:00?
23. 23.A film is 1 hour 15 minutes long. How many minutes is that?
24. 24.A match starts at 13:05 and lasts 1 hour 30 minutes. At what time does it end? (a) 13:35 (b) 14:35 (c) 15:35
25. 25.A film is 4 hours 55 minutes long. How many minutes is that?
26. 26.A match starts at 17:05 and lasts 2 hours 15 minutes. At what time does it end? (a) 20:20 (b) 19:20 (c) 18:20
27. 27.Write 3:15 a.m. in 24-hour time. (a) 15:15 (b) 05:15 (c) 03:15
28. 28.A match starts at 10:55 and lasts 1 hour 50 minutes. At what time does it end? (a) 13:45 (b) 11:45 (c) 12:45
29. 29.A film is 1 hour 10 minutes long. How many minutes is that?
30. 30.A match starts at 18:05 and lasts 3 hours. At what time does it end? (a) 21:05 (b) 20:05 (c) 22:05
31. 31.Write 1:30 p.m. in 24-hour time. (a) 01:30 (b) 15:30 (c) 13:30
32. 32.A train leaves at 08:30 and reaches at 09:45. How long is the journey (in minutes)?
33. 33.A film is 2 hours 40 minutes long. How many minutes is that?
34. 34.Write 9:20 p.m. in 24-hour time. (a) 09:20 (b) 21:20 (c) 23:20
35. 35.A film is 2 hours 5 minutes long. How many minutes is that?
36. 36.A match starts at 14:55 and lasts 1 hour 40 minutes. At what time does it end? (a) 16:35 (b) 15:35 (c) 17:35
37. 37.Write 9:15 a.m. in 24-hour time. (a) 21:15 (b) 11:15 (c) 09:15
38. 38.Write 7:35 a.m. in 24-hour time. (a) 07:35 (b) 09:35 (c) 19:35
39. 39.What is 18:15 in 12-hour time? (a) 6:15 a.m. (b) 6:15 p.m. (c) 8:15 p.m.
40. 40.A train leaves at 09:55 and reaches at 12:55. How long is the journey (in minutes)?

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