Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 548 · 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.What is 07:05 in 12-hour time? (a) 9:05 a.m. (b) 7:05 p.m. (c) 7:05 a.m.
2. 2.Write 7:10 a.m. in 24-hour time. (a) 07:10 (b) 19:10 (c) 09:10
3. 3.A train leaves at 14:45 and reaches at 17:55. How long is the journey (in minutes)?
4. 4.A match starts at 17:00 and lasts 3 hours. At what time does it end? (a) 19:00 (b) 20:00 (c) 21:00
5. 5.What is 19:40 in 12-hour time? (a) 7:40 a.m. (b) 9:40 p.m. (c) 7:40 p.m.
6. 6.What is 05:20 in 12-hour time? (a) 7:20 a.m. (b) 5:20 a.m. (c) 5:20 p.m.
7. 7.What is 09:55 in 12-hour time? (a) 11:55 a.m. (b) 9:55 a.m. (c) 9:55 p.m.
8. 8.A train leaves at 08:50 and reaches at 11:15. How long is the journey (in minutes)?
9. 9.A film is 3 hours 40 minutes long. How many minutes is that?
10. 10.A train leaves at 14:40 and reaches at 15:05. How long is the journey (in minutes)?
11. 11.A film is 4 hours 40 minutes long. How many minutes is that?
12. 12.A train leaves at 18:40 and reaches at 19:05. How long is the journey (in minutes)?
13. 13.Write 2:25 a.m. in 24-hour time. (a) 02:25 (b) 04:25 (c) 14:25
14. 14.A film is 2 hours 50 minutes long. How many minutes is that?
15. 15.A train leaves at 09:40 and reaches at 10:55. How long is the journey (in minutes)?
16. 16.A train leaves at 06:45 and reaches at 07:10. How long is the journey (in minutes)?
17. 17.Write 3:20 p.m. in 24-hour time. (a) 03:20 (b) 17:20 (c) 15:20
18. 18.A film is 3 hours 35 minutes long. How many minutes is that?
19. 19.A film is 3 hours 45 minutes long. How many minutes is that?
20. 20.How many hours are there from 05:00 to 07:00?
21. 21.What is 22:55 in 12-hour time? (a) 10:55 p.m. (b) 10:55 a.m. (c) 12:55 p.m.
22. 22.Write 10:30 p.m. in 24-hour time. (a) 10:30 (b) 00:30 (c) 22:30
23. 23.A film is 1 hour 45 minutes long. How many minutes is that?
24. 24.How many hours are there from 09:00 to 20:00?
25. 25.What is 09:30 in 12-hour time? (a) 11:30 a.m. (b) 9:30 p.m. (c) 9:30 a.m.
26. 26.How many hours are there from 10:00 to 18:00?
27. 27.A match starts at 13:30 and lasts 1 hour 45 minutes. At what time does it end? (a) 15:15 (b) 16:15 (c) 14:15
28. 28.A match starts at 12:55 and lasts 1 hour 30 minutes. At what time does it end? (a) 14:25 (b) 15:25 (c) 13:25
29. 29.Write 9:45 a.m. in 24-hour time. (a) 21:45 (b) 09:45 (c) 11:45
30. 30.Write 1:10 a.m. in 24-hour time. (a) 03:10 (b) 13:10 (c) 01:10
31. 31.What is 13:50 in 12-hour time? (a) 1:50 p.m. (b) 1:50 a.m. (c) 3:50 p.m.
32. 32.A film is 4 hours 35 minutes long. How many minutes is that?
33. 33.A train leaves at 19:05 and reaches at 20:45. How long is the journey (in minutes)?
34. 34.A match starts at 16:20 and lasts 1 hour 5 minutes. At what time does it end? (a) 17:25 (b) 16:25 (c) 18:25
35. 35.How many hours are there from 05:00 to 17:00?
36. 36.A match starts at 11:10 and lasts 2 hours 10 minutes. At what time does it end? (a) 13:20 (b) 14:20 (c) 12:20
37. 37.A match starts at 13:00 and lasts 2 hours 20 minutes. At what time does it end? (a) 14:20 (b) 16:20 (c) 15:20
38. 38.A match starts at 08:20 and lasts 3 hours 15 minutes. At what time does it end? (a) 11:35 (b) 10:35 (c) 12:35
39. 39.A film is 3 hours 10 minutes long. How many minutes is that?
40. 40.Write 6:55 p.m. in 24-hour time. (a) 20:55 (b) 06:55 (c) 18:55

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