Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 513 · 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.Write 6:20 a.m. in 24-hour time. (a) 06:20 (b) 08:20 (c) 18:20
2. 2.A train leaves at 07:35 and reaches at 10:20. How long is the journey (in minutes)?
3. 3.How many hours are there from 06:00 to 19:00?
4. 4.A match starts at 07:25 and lasts 2 hours 5 minutes. At what time does it end? (a) 09:30 (b) 10:30 (c) 08:30
5. 5.A match starts at 12:10 and lasts 3 hours 25 minutes. At what time does it end? (a) 14:35 (b) 16:35 (c) 15:35
6. 6.How many hours are there from 06:00 to 10:00?
7. 7.A train leaves at 17:35 and reaches at 18:55. How long is the journey (in minutes)?
8. 8.Write 8:20 p.m. in 24-hour time. (a) 22:20 (b) 08:20 (c) 20:20
9. 9.What is 10:15 in 12-hour time? (a) 10:15 a.m. (b) 10:15 p.m. (c) 12:15 a.m.
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.Write 3:10 p.m. in 24-hour time. (a) 03:10 (b) 15:10 (c) 17:10
12. 12.A match starts at 11:40 and lasts 1 hour 20 minutes. At what time does it end? (a) 12:00 (b) 13:00 (c) 14:00
13. 13.What is 20:20 in 12-hour time? (a) 10:20 p.m. (b) 8:20 a.m. (c) 8:20 p.m.
14. 14.A match starts at 12:00 and lasts 1 hour. At what time does it end? (a) 12:00 (b) 13:00 (c) 14:00
15. 15.A film is 1 hour 25 minutes long. How many minutes is that?
16. 16.What is 02:55 in 12-hour time? (a) 4:55 a.m. (b) 2:55 a.m. (c) 2:55 p.m.
17. 17.How many hours are there from 07:00 to 11:00?
18. 18.A train leaves at 17:00 and reaches at 19:20. How long is the journey (in minutes)?
19. 19.Write 3:05 p.m. in 24-hour time. (a) 17:05 (b) 15:05 (c) 03:05
20. 20.A train leaves at 12:45 and reaches at 13:25. How long is the journey (in minutes)?
21. 21.How many hours are there from 11:00 to 15:00?
22. 22.A train leaves at 13:50 and reaches at 15:20. How long is the journey (in minutes)?
23. 23.How many hours are there from 12:00 to 17:00?
24. 24.A film is 2 hours 35 minutes long. How many minutes is that?
25. 25.A train leaves at 18:30 and reaches at 21:10. How long is the journey (in minutes)?
26. 26.A match starts at 10:10 and lasts 3 hours. At what time does it end? (a) 14:10 (b) 12:10 (c) 13:10
27. 27.A train leaves at 10:00 and reaches at 12:20. How long is the journey (in minutes)?
28. 28.Write 1:30 p.m. in 24-hour time. (a) 15:30 (b) 13:30 (c) 01:30
29. 29.What is 09:30 in 12-hour time? (a) 9:30 p.m. (b) 11:30 a.m. (c) 9:30 a.m.
30. 30.A train leaves at 19:40 and reaches at 20:45. How long is the journey (in minutes)?
31. 31.A train leaves at 19:20 and reaches at 22:40. How long is the journey (in minutes)?
32. 32.Write 3:35 p.m. in 24-hour time. (a) 17:35 (b) 03:35 (c) 15:35
33. 33.A match starts at 18:10 and lasts 1 hour 10 minutes. At what time does it end? (a) 18:20 (b) 20:20 (c) 19:20
34. 34.Write 1:00 a.m. in 24-hour time. (a) 13:00 (b) 01:00 (c) 03:00
35. 35.A train leaves at 18:55 and reaches at 20:10. How long is the journey (in minutes)?
36. 36.A match starts at 13:25 and lasts 3 hours 40 minutes. At what time does it end? (a) 16:05 (b) 17:05 (c) 18:05
37. 37.Write 10:00 a.m. in 24-hour time. (a) 22:00 (b) 12:00 (c) 10:00
38. 38.What is 15:20 in 12-hour time? (a) 3:20 a.m. (b) 3:20 p.m. (c) 5:20 p.m.
39. 39.A match starts at 10:45 and lasts 4 hours 10 minutes. At what time does it end? (a) 14:55 (b) 15:55 (c) 13:55
40. 40.A train leaves at 07:20 and reaches at 07:45. How long is the journey (in minutes)?

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