Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 63 · 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 12:00 to 20:00?
2. 2.How many hours are there from 05:00 to 08:00?
3. 3.A match starts at 06:45 and lasts 1 hour 45 minutes. At what time does it end? (a) 07:30 (b) 08:30 (c) 09:30
4. 4.How many hours are there from 05:00 to 14:00?
5. 5.A match starts at 17:45 and lasts 3 hours 35 minutes. At what time does it end? (a) 22:20 (b) 20:20 (c) 21:20
6. 6.A train leaves at 14:15 and reaches at 17:20. How long is the journey (in minutes)?
7. 7.A film is 1 hour 30 minutes long. How many minutes is that?
8. 8.What is 07:55 in 12-hour time? (a) 7:55 p.m. (b) 9:55 a.m. (c) 7:55 a.m.
9. 9.A train leaves at 08:55 and reaches at 11:10. How long is the journey (in minutes)?
10. 10.What is 19:45 in 12-hour time? (a) 9:45 p.m. (b) 7:45 p.m. (c) 7:45 a.m.
11. 11.How many hours are there from 11:00 to 14:00?
12. 12.A train leaves at 16:55 and reaches at 17:25. How long is the journey (in minutes)?
13. 13.How many hours are there from 07:00 to 20:00?
14. 14.A match starts at 10:35 and lasts 2 hours 25 minutes. At what time does it end? (a) 12:00 (b) 14:00 (c) 13:00
15. 15.A film is 2 hours 5 minutes long. How many minutes is that?
16. 16.How many hours are there from 08:00 to 11:00?
17. 17.A train leaves at 11:55 and reaches at 12:25. How long is the journey (in minutes)?
18. 18.A film is 2 hours 20 minutes long. How many minutes is that?
19. 19.A train leaves at 07:50 and reaches at 09:00. How long is the journey (in minutes)?
20. 20.Write 5:25 p.m. in 24-hour time. (a) 05:25 (b) 19:25 (c) 17:25
21. 21.A match starts at 07:40 and lasts 4 hours 5 minutes. At what time does it end? (a) 10:45 (b) 12:45 (c) 11:45
22. 22.A film is 2 hours 30 minutes long. How many minutes is that?
23. 23.Write 6:00 a.m. in 24-hour time. (a) 06:00 (b) 18:00 (c) 08:00
24. 24.How many hours are there from 06:00 to 08:00?
25. 25.How many hours are there from 08:00 to 14:00?
26. 26.A match starts at 08:05 and lasts 1 hour 35 minutes. At what time does it end? (a) 09:40 (b) 08:40 (c) 10:40
27. 27.How many hours are there from 12:00 to 21:00?
28. 28.Write 5:05 a.m. in 24-hour time. (a) 07:05 (b) 05:05 (c) 17:05
29. 29.A train leaves at 06:00 and reaches at 06:55. How long is the journey (in minutes)?
30. 30.A match starts at 06:15 and lasts 1 hour 5 minutes. At what time does it end? (a) 08:20 (b) 06:20 (c) 07:20
31. 31.Write 7:50 a.m. in 24-hour time. (a) 19:50 (b) 09:50 (c) 07:50
32. 32.Write 5:35 p.m. in 24-hour time. (a) 17:35 (b) 19:35 (c) 05:35
33. 33.A train leaves at 07:05 and reaches at 09:00. How long is the journey (in minutes)?
34. 34.What is 08:45 in 12-hour time? (a) 8:45 a.m. (b) 10:45 a.m. (c) 8:45 p.m.
35. 35.A train leaves at 14:15 and reaches at 16:00. How long is the journey (in minutes)?
36. 36.A train leaves at 07:15 and reaches at 08:20. How long is the journey (in minutes)?
37. 37.A film is 1 hour 55 minutes long. How many minutes is that?
38. 38.Write 2:05 p.m. in 24-hour time. (a) 16:05 (b) 14:05 (c) 02:05
39. 39.A train leaves at 06:30 and reaches at 08:05. How long is the journey (in minutes)?
40. 40.Write 1:20 p.m. in 24-hour time. (a) 13:20 (b) 15:20 (c) 01:20

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