Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 694 · 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 9:40 a.m. in 24-hour time. (a) 11:40 (b) 09:40 (c) 21:40
2. 2.How many hours are there from 11:00 to 17:00?
3. 3.Write 5:55 p.m. in 24-hour time. (a) 17:55 (b) 05:55 (c) 19:55
4. 4.Write 7:05 a.m. in 24-hour time. (a) 09:05 (b) 19:05 (c) 07:05
5. 5.Write 8:30 a.m. in 24-hour time. (a) 20:30 (b) 10:30 (c) 08:30
6. 6.A film is 1 hour 10 minutes long. How many minutes is that?
7. 7.A train leaves at 06:45 and reaches at 08:50. How long is the journey (in minutes)?
8. 8.A match starts at 13:05 and lasts 4 hours 15 minutes. At what time does it end? (a) 18:20 (b) 16:20 (c) 17:20
9. 9.A film is 1 hour 35 minutes long. How many minutes is that?
10. 10.A match starts at 18:40 and lasts 2 hours 5 minutes. At what time does it end? (a) 21:45 (b) 19:45 (c) 20:45
11. 11.Write 5:15 p.m. in 24-hour time. (a) 05:15 (b) 17:15 (c) 19:15
12. 12.A match starts at 18:25 and lasts 4 hours 20 minutes. At what time does it end? (a) 22:45 (b) 21:45 (c) 23:45
13. 13.A train leaves at 06:05 and reaches at 08:20. How long is the journey (in minutes)?
14. 14.A train leaves at 13:30 and reaches at 16:05. How long is the journey (in minutes)?
15. 15.A match starts at 14:15 and lasts 1 hour 55 minutes. At what time does it end? (a) 15:10 (b) 17:10 (c) 16:10
16. 16.A train leaves at 18:25 and reaches at 20:10. How long is the journey (in minutes)?
17. 17.A match starts at 07:05 and lasts 1 hour 55 minutes. At what time does it end? (a) 09:00 (b) 08:00 (c) 10:00
18. 18.What is 23:00 in 12-hour time? (a) 11:00 p.m. (b) 1:00 p.m. (c) 11:00 a.m.
19. 19.A match starts at 11:00 and lasts 4 hours 35 minutes. At what time does it end? (a) 16:35 (b) 15:35 (c) 14:35
20. 20.A film is 4 hours 10 minutes long. How many minutes is that?
21. 21.Write 9:35 p.m. in 24-hour time. (a) 23:35 (b) 21:35 (c) 09:35
22. 22.A match starts at 13:00 and lasts 4 hours 45 minutes. At what time does it end? (a) 16:45 (b) 17:45 (c) 18:45
23. 23.A match starts at 18:00 and lasts 4 hours 5 minutes. At what time does it end? (a) 21:05 (b) 23:05 (c) 22:05
24. 24.A film is 1 hour 15 minutes long. How many minutes is that?
25. 25.A train leaves at 15:20 and reaches at 16:10. How long is the journey (in minutes)?
26. 26.What is 23:55 in 12-hour time? (a) 11:55 a.m. (b) 1:55 p.m. (c) 11:55 p.m.
27. 27.Write 7:30 a.m. in 24-hour time. (a) 09:30 (b) 19:30 (c) 07:30
28. 28.A match starts at 16:10 and lasts 1 hour 10 minutes. At what time does it end? (a) 17:20 (b) 18:20 (c) 16:20
29. 29.What is 11:40 in 12-hour time? (a) 11:40 a.m. (b) 11:40 p.m. (c) 1:40 a.m.
30. 30.What is 15:15 in 12-hour time? (a) 5:15 p.m. (b) 3:15 a.m. (c) 3:15 p.m.
31. 31.A train leaves at 18:55 and reaches at 20:00. How long is the journey (in minutes)?
32. 32.A train leaves at 18:00 and reaches at 20:25. How long is the journey (in minutes)?
33. 33.How many hours are there from 06:00 to 11:00?
34. 34.Write 10:45 a.m. in 24-hour time. (a) 22:45 (b) 12:45 (c) 10:45
35. 35.How many hours are there from 10:00 to 15:00?
36. 36.A match starts at 11:10 and lasts 3 hours 30 minutes. At what time does it end? (a) 13:40 (b) 15:40 (c) 14:40
37. 37.How many hours are there from 12:00 to 17:00?
38. 38.Write 2:40 a.m. in 24-hour time. (a) 14:40 (b) 04:40 (c) 02:40
39. 39.A train leaves at 17:15 and reaches at 17:55. How long is the journey (in minutes)?
40. 40.A film is 4 hours 55 minutes long. How many minutes is that?

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