Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 742 · 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 15:10 and lasts 3 hours 20 minutes. At what time does it end? (a) 18:30 (b) 17:30 (c) 19:30
2. 2.A train leaves at 12:20 and reaches at 13:05. How long is the journey (in minutes)?
3. 3.How many hours are there from 10:00 to 17:00?
4. 4.Write 4:50 a.m. in 24-hour time. (a) 04:50 (b) 16:50 (c) 06:50
5. 5.A train leaves at 07:25 and reaches at 09:45. How long is the journey (in minutes)?
6. 6.Write 6:20 a.m. in 24-hour time. (a) 06:20 (b) 08:20 (c) 18:20
7. 7.A film is 4 hours 55 minutes long. How many minutes is that?
8. 8.Write 9:55 p.m. in 24-hour time. (a) 09:55 (b) 21:55 (c) 23:55
9. 9.A train leaves at 06:20 and reaches at 08:40. How long is the journey (in minutes)?
10. 10.What is 20:20 in 12-hour time? (a) 8:20 a.m. (b) 8:20 p.m. (c) 10:20 p.m.
11. 11.What is 21:30 in 12-hour time? (a) 11:30 p.m. (b) 9:30 p.m. (c) 9:30 a.m.
12. 12.A match starts at 10:00 and lasts 2 hours 5 minutes. At what time does it end? (a) 12:05 (b) 13:05 (c) 11:05
13. 13.A train leaves at 18:15 and reaches at 20:20. How long is the journey (in minutes)?
14. 14.What is 03:55 in 12-hour time? (a) 3:55 p.m. (b) 5:55 a.m. (c) 3:55 a.m.
15. 15.Write 7:05 p.m. in 24-hour time. (a) 19:05 (b) 07:05 (c) 21:05
16. 16.What is 13:00 in 12-hour time? (a) 3:00 p.m. (b) 1:00 a.m. (c) 1:00 p.m.
17. 17.What is 19:20 in 12-hour time? (a) 7:20 a.m. (b) 7:20 p.m. (c) 9:20 p.m.
18. 18.A film is 1 hour 55 minutes long. How many minutes is that?
19. 19.A film is 2 hours 40 minutes long. How many minutes is that?
20. 20.How many hours are there from 06:00 to 16:00?
21. 21.A film is 3 hours 55 minutes long. How many minutes is that?
22. 22.What is 04:40 in 12-hour time? (a) 6:40 a.m. (b) 4:40 a.m. (c) 4:40 p.m.
23. 23.A film is 2 hours 25 minutes long. How many minutes is that?
24. 24.A film is 2 hours 45 minutes long. How many minutes is that?
25. 25.Write 9:25 a.m. in 24-hour time. (a) 21:25 (b) 11:25 (c) 09:25
26. 26.A match starts at 15:55 and lasts 1 hour. At what time does it end? (a) 17:55 (b) 16:55 (c) 15:55
27. 27.What is 10:35 in 12-hour time? (a) 10:35 p.m. (b) 10:35 a.m. (c) 12:35 a.m.
28. 28.How many hours are there from 11:00 to 14:00?
29. 29.A train leaves at 08:55 and reaches at 09:25. How long is the journey (in minutes)?
30. 30.A train leaves at 13:10 and reaches at 15:40. How long is the journey (in minutes)?
31. 31.How many hours are there from 12:00 to 17:00?
32. 32.A train leaves at 10:25 and reaches at 13:30. How long is the journey (in minutes)?
33. 33.A train leaves at 12:10 and reaches at 13:05. How long is the journey (in minutes)?
34. 34.Write 11:25 p.m. in 24-hour time. (a) 11:25 (b) 01:25 (c) 23:25
35. 35.Write 1:10 a.m. in 24-hour time. (a) 01:10 (b) 13:10 (c) 03:10
36. 36.What is 05:30 in 12-hour time? (a) 5:30 a.m. (b) 7:30 a.m. (c) 5:30 p.m.
37. 37.Write 8:25 p.m. in 24-hour time. (a) 08:25 (b) 22:25 (c) 20:25
38. 38.How many hours are there from 10:00 to 19:00?
39. 39.A train leaves at 09:35 and reaches at 12:30. How long is the journey (in minutes)?
40. 40.A match starts at 14:10 and lasts 1 hour 5 minutes. At what time does it end? (a) 15:15 (b) 14:15 (c) 16:15

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