Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 306 · 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 match starts at 11:10 and lasts 4 hours 20 minutes. At what time does it end? (a) 16:30 (b) 15:30 (c) 14:30
2. 2.Write 8:30 a.m. in 24-hour time. (a) 20:30 (b) 10:30 (c) 08:30
3. 3.How many hours are there from 06:00 to 09:00?
4. 4.How many hours are there from 06:00 to 12:00?
5. 5.What is 19:05 in 12-hour time? (a) 7:05 a.m. (b) 7:05 p.m. (c) 9:05 p.m.
6. 6.How many hours are there from 05:00 to 08:00?
7. 7.A train leaves at 07:45 and reaches at 10:20. How long is the journey (in minutes)?
8. 8.A match starts at 16:45 and lasts 3 hours 15 minutes. At what time does it end? (a) 20:00 (b) 19:00 (c) 21:00
9. 9.Write 9:40 a.m. in 24-hour time. (a) 09:40 (b) 21:40 (c) 11:40
10. 10.A film is 2 hours 15 minutes long. How many minutes is that?
11. 11.A train leaves at 15:30 and reaches at 17:10. How long is the journey (in minutes)?
12. 12.A film is 2 hours 50 minutes long. How many minutes is that?
13. 13.Write 3:25 p.m. in 24-hour time. (a) 03:25 (b) 17:25 (c) 15:25
14. 14.How many hours are there from 10:00 to 14:00?
15. 15.A match starts at 14:40 and lasts 2 hours 30 minutes. At what time does it end? (a) 18:10 (b) 17:10 (c) 16:10
16. 16.What is 17:00 in 12-hour time? (a) 7:00 p.m. (b) 5:00 p.m. (c) 5:00 a.m.
17. 17.A train leaves at 15:15 and reaches at 15:40. How long is the journey (in minutes)?
18. 18.Write 6:55 a.m. in 24-hour time. (a) 08:55 (b) 18:55 (c) 06:55
19. 19.Write 3:45 p.m. in 24-hour time. (a) 03:45 (b) 15:45 (c) 17:45
20. 20.A train leaves at 09:55 and reaches at 12:00. How long is the journey (in minutes)?
21. 21.What is 15:30 in 12-hour time? (a) 5:30 p.m. (b) 3:30 a.m. (c) 3:30 p.m.
22. 22.How many hours are there from 05:00 to 14:00?
23. 23.What is 23:40 in 12-hour time? (a) 11:40 a.m. (b) 1:40 p.m. (c) 11:40 p.m.
24. 24.A match starts at 15:00 and lasts 3 hours 35 minutes. At what time does it end? (a) 17:35 (b) 19:35 (c) 18:35
25. 25.Write 5:10 a.m. in 24-hour time. (a) 05:10 (b) 07:10 (c) 17:10
26. 26.A match starts at 07:15 and lasts 1 hour 50 minutes. At what time does it end? (a) 09:05 (b) 08:05 (c) 10:05
27. 27.A match starts at 18:00 and lasts 1 hour 50 minutes. At what time does it end? (a) 20:50 (b) 18:50 (c) 19:50
28. 28.A train leaves at 11:50 and reaches at 13:15. How long is the journey (in minutes)?
29. 29.What is 21:10 in 12-hour time? (a) 9:10 a.m. (b) 11:10 p.m. (c) 9:10 p.m.
30. 30.A match starts at 10:35 and lasts 2 hours 5 minutes. At what time does it end? (a) 11:40 (b) 12:40 (c) 13:40
31. 31.Write 2:55 p.m. in 24-hour time. (a) 16:55 (b) 02:55 (c) 14:55
32. 32.A film is 3 hours 15 minutes long. How many minutes is that?
33. 33.How many hours are there from 09:00 to 17:00?
34. 34.What is 10:25 in 12-hour time? (a) 12:25 a.m. (b) 10:25 a.m. (c) 10:25 p.m.
35. 35.A train leaves at 14:00 and reaches at 14:55. How long is the journey (in minutes)?
36. 36.A match starts at 07:40 and lasts 1 hour 45 minutes. At what time does it end? (a) 09:25 (b) 08:25 (c) 10:25
37. 37.A match starts at 10:05 and lasts 1 hour 40 minutes. At what time does it end? (a) 12:45 (b) 10:45 (c) 11:45
38. 38.A film is 2 hours 10 minutes long. How many minutes is that?
39. 39.A train leaves at 19:50 and reaches at 20:35. How long is the journey (in minutes)?
40. 40.How many hours are there from 10:00 to 22:00?

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