Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 47 · 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 17:15 in 12-hour time? (a) 7:15 p.m. (b) 5:15 p.m. (c) 5:15 a.m.
2. 2.A match starts at 16:35 and lasts 3 hours 30 minutes. At what time does it end? (a) 21:05 (b) 19:05 (c) 20:05
3. 3.A film is 4 hours 10 minutes long. How many minutes is that?
4. 4.What is 16:15 in 12-hour time? (a) 6:15 p.m. (b) 4:15 a.m. (c) 4:15 p.m.
5. 5.How many hours are there from 06:00 to 08:00?
6. 6.What is 13:00 in 12-hour time? (a) 1:00 p.m. (b) 3:00 p.m. (c) 1:00 a.m.
7. 7.A train leaves at 08:20 and reaches at 10:30. How long is the journey (in minutes)?
8. 8.A train leaves at 19:15 and reaches at 19:45. How long is the journey (in minutes)?
9. 9.A film is 1 hour 20 minutes long. How many minutes is that?
10. 10.A film is 1 hour 30 minutes long. How many minutes is that?
11. 11.How many hours are there from 07:00 to 13:00?
12. 12.How many hours are there from 12:00 to 21:00?
13. 13.A match starts at 06:25 and lasts 2 hours 10 minutes. At what time does it end? (a) 08:35 (b) 09:35 (c) 07:35
14. 14.Write 1:55 a.m. in 24-hour time. (a) 01:55 (b) 13:55 (c) 03:55
15. 15.A train leaves at 17:25 and reaches at 20:05. How long is the journey (in minutes)?
16. 16.A match starts at 07:15 and lasts 3 hours 5 minutes. At what time does it end? (a) 10:20 (b) 11:20 (c) 09:20
17. 17.What is 15:05 in 12-hour time? (a) 5:05 p.m. (b) 3:05 p.m. (c) 3:05 a.m.
18. 18.How many hours are there from 12:00 to 23:00?
19. 19.Write 7:40 a.m. in 24-hour time. (a) 07:40 (b) 09:40 (c) 19:40
20. 20.How many hours are there from 08:00 to 11:00?
21. 21.A match starts at 09:30 and lasts 1 hour 45 minutes. At what time does it end? (a) 10:15 (b) 11:15 (c) 12:15
22. 22.How many hours are there from 11:00 to 19:00?
23. 23.What is 07:50 in 12-hour time? (a) 7:50 p.m. (b) 9:50 a.m. (c) 7:50 a.m.
24. 24.What is 13:40 in 12-hour time? (a) 3:40 p.m. (b) 1:40 a.m. (c) 1:40 p.m.
25. 25.Write 2:55 a.m. in 24-hour time. (a) 14:55 (b) 04:55 (c) 02:55
26. 26.A train leaves at 13:30 and reaches at 15:35. How long is the journey (in minutes)?
27. 27.How many hours are there from 05:00 to 14:00?
28. 28.A train leaves at 09:30 and reaches at 11:30. How long is the journey (in minutes)?
29. 29.A match starts at 08:05 and lasts 1 hour. At what time does it end? (a) 08:05 (b) 09:05 (c) 10:05
30. 30.A match starts at 11:55 and lasts 3 hours 50 minutes. At what time does it end? (a) 15:45 (b) 16:45 (c) 14:45
31. 31.A film is 1 hour 35 minutes long. How many minutes is that?
32. 32.A film is 4 hours 25 minutes long. How many minutes is that?
33. 33.Write 7:30 p.m. in 24-hour time. (a) 21:30 (b) 19:30 (c) 07:30
34. 34.A match starts at 13:50 and lasts 4 hours 5 minutes. At what time does it end? (a) 17:55 (b) 18:55 (c) 16:55
35. 35.A film is 3 hours 5 minutes long. How many minutes is that?
36. 36.A match starts at 13:50 and lasts 4 hours 35 minutes. At what time does it end? (a) 19:25 (b) 17:25 (c) 18:25
37. 37.Write 5:10 a.m. in 24-hour time. (a) 05:10 (b) 17:10 (c) 07:10
38. 38.A match starts at 17:10 and lasts 1 hour. At what time does it end? (a) 19:10 (b) 17:10 (c) 18:10
39. 39.Write 10:05 a.m. in 24-hour time. (a) 12:05 (b) 10:05 (c) 22:05
40. 40.A film is 3 hours 30 minutes long. How many minutes is that?

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