Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 950 · 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.A train leaves at 15:10 and reaches at 17:55. How long is the journey (in minutes)?
2. 2.What is 03:40 in 12-hour time? (a) 3:40 a.m. (b) 3:40 p.m. (c) 5:40 a.m.
3. 3.A train leaves at 11:15 and reaches at 12:25. How long is the journey (in minutes)?
4. 4.How many hours are there from 10:00 to 14:00?
5. 5.What is 07:45 in 12-hour time? (a) 7:45 a.m. (b) 7:45 p.m. (c) 9:45 a.m.
6. 6.Write 3:20 a.m. in 24-hour time. (a) 05:20 (b) 03:20 (c) 15:20
7. 7.A train leaves at 08:50 and reaches at 09:30. How long is the journey (in minutes)?
8. 8.A match starts at 08:10 and lasts 2 hours. At what time does it end? (a) 09:10 (b) 11:10 (c) 10:10
9. 9.Write 2:40 a.m. in 24-hour time. (a) 04:40 (b) 14:40 (c) 02:40
10. 10.A film is 3 hours 10 minutes long. How many minutes is that?
11. 11.How many hours are there from 10:00 to 16:00?
12. 12.What is 06:40 in 12-hour time? (a) 6:40 p.m. (b) 6:40 a.m. (c) 8:40 a.m.
13. 13.A match starts at 16:05 and lasts 4 hours 20 minutes. At what time does it end? (a) 21:25 (b) 19:25 (c) 20:25
14. 14.What is 13:35 in 12-hour time? (a) 1:35 p.m. (b) 3:35 p.m. (c) 1:35 a.m.
15. 15.A match starts at 14:45 and lasts 1 hour 50 minutes. At what time does it end? (a) 15:35 (b) 17:35 (c) 16:35
16. 16.A train leaves at 08:15 and reaches at 08:40. How long is the journey (in minutes)?
17. 17.A match starts at 08:05 and lasts 3 hours. At what time does it end? (a) 12:05 (b) 10:05 (c) 11:05
18. 18.Write 6:10 a.m. in 24-hour time. (a) 06:10 (b) 18:10 (c) 08:10
19. 19.How many hours are there from 10:00 to 12:00?
20. 20.A match starts at 10:30 and lasts 4 hours 25 minutes. At what time does it end? (a) 13:55 (b) 14:55 (c) 15:55
21. 21.A match starts at 08:20 and lasts 1 hour 50 minutes. At what time does it end? (a) 09:10 (b) 10:10 (c) 11:10
22. 22.What is 06:25 in 12-hour time? (a) 6:25 p.m. (b) 8:25 a.m. (c) 6:25 a.m.
23. 23.A train leaves at 08:15 and reaches at 10:35. How long is the journey (in minutes)?
24. 24.Write 9:25 p.m. in 24-hour time. (a) 23:25 (b) 21:25 (c) 09:25
25. 25.How many hours are there from 07:00 to 23:00?
26. 26.Write 6:35 a.m. in 24-hour time. (a) 18:35 (b) 06:35 (c) 08:35
27. 27.Write 5:25 a.m. in 24-hour time. (a) 07:25 (b) 05:25 (c) 17:25
28. 28.A film is 4 hours 30 minutes long. How many minutes is that?
29. 29.A train leaves at 11:25 and reaches at 11:50. How long is the journey (in minutes)?
30. 30.A train leaves at 16:05 and reaches at 17:10. How long is the journey (in minutes)?
31. 31.A match starts at 08:55 and lasts 3 hours 5 minutes. At what time does it end? (a) 12:00 (b) 11:00 (c) 13:00
32. 32.Write 6:55 p.m. in 24-hour time. (a) 06:55 (b) 18:55 (c) 20:55
33. 33.Write 3:55 p.m. in 24-hour time. (a) 03:55 (b) 15:55 (c) 17:55
34. 34.How many hours are there from 07:00 to 18:00?
35. 35.Write 10:40 p.m. in 24-hour time. (a) 22:40 (b) 00:40 (c) 10:40
36. 36.A film is 4 hours 35 minutes long. How many minutes is that?
37. 37.Write 8:15 a.m. in 24-hour time. (a) 20:15 (b) 10:15 (c) 08:15
38. 38.Write 3:45 a.m. in 24-hour time. (a) 03:45 (b) 05:45 (c) 15:45
39. 39.A train leaves at 14:25 and reaches at 15:00. How long is the journey (in minutes)?
40. 40.A film is 2 hours 45 minutes long. How many minutes is that?

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