Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 53 · 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 9:55 a.m. in 24-hour time. (a) 09:55 (b) 11:55 (c) 21:55
2. 2.A train leaves at 07:55 and reaches at 08:30. How long is the journey (in minutes)?
3. 3.Write 3:55 p.m. in 24-hour time. (a) 17:55 (b) 15:55 (c) 03:55
4. 4.A train leaves at 07:20 and reaches at 07:55. How long is the journey (in minutes)?
5. 5.A match starts at 16:05 and lasts 3 hours 45 minutes. At what time does it end? (a) 20:50 (b) 19:50 (c) 18:50
6. 6.What is 23:45 in 12-hour time? (a) 1:45 p.m. (b) 11:45 a.m. (c) 11:45 p.m.
7. 7.A film is 1 hour 5 minutes long. How many minutes is that?
8. 8.A train leaves at 18:00 and reaches at 19:05. How long is the journey (in minutes)?
9. 9.A film is 1 hour 30 minutes long. How many minutes is that?
10. 10.A film is 3 hours 25 minutes long. How many minutes is that?
11. 11.A match starts at 07:05 and lasts 3 hours 50 minutes. At what time does it end? (a) 11:55 (b) 09:55 (c) 10:55
12. 12.Write 5:10 a.m. in 24-hour time. (a) 07:10 (b) 05:10 (c) 17:10
13. 13.Write 1:00 a.m. in 24-hour time. (a) 03:00 (b) 01:00 (c) 13:00
14. 14.Write 4:00 p.m. in 24-hour time. (a) 16:00 (b) 04:00 (c) 18:00
15. 15.A film is 1 hour 55 minutes long. How many minutes is that?
16. 16.A film is 3 hours 5 minutes long. How many minutes is that?
17. 17.A train leaves at 08:55 and reaches at 11:35. How long is the journey (in minutes)?
18. 18.Write 5:15 p.m. in 24-hour time. (a) 17:15 (b) 19:15 (c) 05:15
19. 19.How many hours are there from 06:00 to 21:00?
20. 20.What is 01:55 in 12-hour time? (a) 1:55 p.m. (b) 1:55 a.m. (c) 3:55 a.m.
21. 21.A film is 1 hour 45 minutes long. How many minutes is that?
22. 22.A match starts at 14:10 and lasts 2 hours 15 minutes. At what time does it end? (a) 16:25 (b) 15:25 (c) 17:25
23. 23.A train leaves at 10:10 and reaches at 11:20. How long is the journey (in minutes)?
24. 24.How many hours are there from 10:00 to 17:00?
25. 25.A match starts at 16:10 and lasts 2 hours 35 minutes. At what time does it end? (a) 17:45 (b) 18:45 (c) 19:45
26. 26.How many hours are there from 05:00 to 18:00?
27. 27.A match starts at 07:30 and lasts 3 hours. At what time does it end? (a) 09:30 (b) 10:30 (c) 11:30
28. 28.What is 07:50 in 12-hour time? (a) 9:50 a.m. (b) 7:50 p.m. (c) 7:50 a.m.
29. 29.What is 20:20 in 12-hour time? (a) 10:20 p.m. (b) 8:20 p.m. (c) 8:20 a.m.
30. 30.A match starts at 07:55 and lasts 2 hours 30 minutes. At what time does it end? (a) 09:25 (b) 10:25 (c) 11:25
31. 31.Write 7:05 a.m. in 24-hour time. (a) 19:05 (b) 07:05 (c) 09:05
32. 32.A match starts at 12:45 and lasts 3 hours 35 minutes. At what time does it end? (a) 17:20 (b) 16:20 (c) 15:20
33. 33.Write 11:05 a.m. in 24-hour time. (a) 13:05 (b) 11:05 (c) 23:05
34. 34.A film is 3 hours 20 minutes long. How many minutes is that?
35. 35.What is 04:15 in 12-hour time? (a) 6:15 a.m. (b) 4:15 p.m. (c) 4:15 a.m.
36. 36.A train leaves at 17:25 and reaches at 18:20. How long is the journey (in minutes)?
37. 37.What is 08:05 in 12-hour time? (a) 8:05 p.m. (b) 8:05 a.m. (c) 10:05 a.m.
38. 38.What is 06:20 in 12-hour time? (a) 6:20 p.m. (b) 6:20 a.m. (c) 8:20 a.m.
39. 39.How many hours are there from 05:00 to 13:00?
40. 40.A match starts at 07:50 and lasts 1 hour 20 minutes. At what time does it end? (a) 10:10 (b) 09:10 (c) 08:10

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