Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 538 · 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 06:00 to 08:00?
2. 2.How many hours are there from 10:00 to 22:00?
3. 3.A train leaves at 07:45 and reaches at 08:45. How long is the journey (in minutes)?
4. 4.How many hours are there from 09:00 to 12:00?
5. 5.A film is 2 hours 10 minutes long. How many minutes is that?
6. 6.A film is 3 hours 35 minutes long. How many minutes is that?
7. 7.A train leaves at 11:30 and reaches at 14:50. How long is the journey (in minutes)?
8. 8.A train leaves at 19:50 and reaches at 21:35. How long is the journey (in minutes)?
9. 9.A film is 2 hours 35 minutes long. How many minutes is that?
10. 10.How many hours are there from 09:00 to 22:00?
11. 11.Write 9:05 a.m. in 24-hour time. (a) 21:05 (b) 11:05 (c) 09:05
12. 12.How many hours are there from 07:00 to 21:00?
13. 13.What is 07:35 in 12-hour time? (a) 7:35 a.m. (b) 7:35 p.m. (c) 9:35 a.m.
14. 14.Write 1:25 p.m. in 24-hour time. (a) 15:25 (b) 13:25 (c) 01:25
15. 15.A match starts at 07:15 and lasts 4 hours 10 minutes. At what time does it end? (a) 10:25 (b) 11:25 (c) 12:25
16. 16.A train leaves at 17:10 and reaches at 18:45. How long is the journey (in minutes)?
17. 17.What is 15:55 in 12-hour time? (a) 5:55 p.m. (b) 3:55 p.m. (c) 3:55 a.m.
18. 18.Write 5:35 a.m. in 24-hour time. (a) 17:35 (b) 05:35 (c) 07:35
19. 19.What is 22:40 in 12-hour time? (a) 10:40 p.m. (b) 10:40 a.m. (c) 12:40 p.m.
20. 20.A train leaves at 17:30 and reaches at 18:30. How long is the journey (in minutes)?
21. 21.A film is 1 hour 25 minutes long. How many minutes is that?
22. 22.What is 10:50 in 12-hour time? (a) 10:50 p.m. (b) 12:50 a.m. (c) 10:50 a.m.
23. 23.Write 8:45 a.m. in 24-hour time. (a) 08:45 (b) 10:45 (c) 20:45
24. 24.How many hours are there from 07:00 to 10:00?
25. 25.Write 6:50 a.m. in 24-hour time. (a) 08:50 (b) 06:50 (c) 18:50
26. 26.How many hours are there from 05:00 to 15:00?
27. 27.What is 19:10 in 12-hour time? (a) 7:10 p.m. (b) 7:10 a.m. (c) 9:10 p.m.
28. 28.A train leaves at 09:15 and reaches at 10:00. How long is the journey (in minutes)?
29. 29.A match starts at 17:10 and lasts 1 hour. At what time does it end? (a) 17:10 (b) 18:10 (c) 19:10
30. 30.Write 6:05 p.m. in 24-hour time. (a) 18:05 (b) 20:05 (c) 06:05
31. 31.A match starts at 13:20 and lasts 1 hour 40 minutes. At what time does it end? (a) 14:00 (b) 15:00 (c) 16:00
32. 32.A train leaves at 08:00 and reaches at 08:35. How long is the journey (in minutes)?
33. 33.A match starts at 07:00 and lasts 1 hour. At what time does it end? (a) 09:00 (b) 07:00 (c) 08:00
34. 34.How many hours are there from 11:00 to 19:00?
35. 35.How many hours are there from 12:00 to 23:00?
36. 36.A match starts at 06:10 and lasts 4 hours 30 minutes. At what time does it end? (a) 09:40 (b) 11:40 (c) 10:40
37. 37.A match starts at 16:40 and lasts 1 hour 10 minutes. At what time does it end? (a) 18:50 (b) 16:50 (c) 17:50
38. 38.A film is 4 hours 30 minutes long. How many minutes is that?
39. 39.What is 20:50 in 12-hour time? (a) 10:50 p.m. (b) 8:50 a.m. (c) 8:50 p.m.
40. 40.How many hours are there from 11:00 to 20:00?

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