Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 207 · 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 10:15 a.m. in 24-hour time. (a) 12:15 (b) 22:15 (c) 10:15
2. 2.A train leaves at 08:45 and reaches at 09:35. How long is the journey (in minutes)?
3. 3.A film is 4 hours 45 minutes long. How many minutes is that?
4. 4.Write 5:40 p.m. in 24-hour time. (a) 19:40 (b) 17:40 (c) 05:40
5. 5.Write 9:40 a.m. in 24-hour time. (a) 21:40 (b) 11:40 (c) 09:40
6. 6.A match starts at 06:15 and lasts 3 hours. At what time does it end? (a) 10:15 (b) 08:15 (c) 09:15
7. 7.A film is 2 hours 10 minutes long. How many minutes is that?
8. 8.What is 13:10 in 12-hour time? (a) 3:10 p.m. (b) 1:10 p.m. (c) 1:10 a.m.
9. 9.Write 4:25 a.m. in 24-hour time. (a) 06:25 (b) 16:25 (c) 04:25
10. 10.Write 2:35 a.m. in 24-hour time. (a) 14:35 (b) 02:35 (c) 04:35
11. 11.How many hours are there from 07:00 to 09:00?
12. 12.A match starts at 12:00 and lasts 2 hours 30 minutes. At what time does it end? (a) 14:30 (b) 13:30 (c) 15:30
13. 13.What is 21:00 in 12-hour time? (a) 9:00 p.m. (b) 11:00 p.m. (c) 9:00 a.m.
14. 14.Write 5:10 a.m. in 24-hour time. (a) 17:10 (b) 07:10 (c) 05:10
15. 15.A match starts at 09:50 and lasts 2 hours. At what time does it end? (a) 12:50 (b) 11:50 (c) 10:50
16. 16.A train leaves at 18:35 and reaches at 20:35. How long is the journey (in minutes)?
17. 17.Write 11:15 a.m. in 24-hour time. (a) 23:15 (b) 13:15 (c) 11:15
18. 18.Write 4:30 a.m. in 24-hour time. (a) 16:30 (b) 06:30 (c) 04:30
19. 19.What is 23:20 in 12-hour time? (a) 11:20 p.m. (b) 11:20 a.m. (c) 1:20 p.m.
20. 20.A train leaves at 11:50 and reaches at 13:10. How long is the journey (in minutes)?
21. 21.A match starts at 12:25 and lasts 2 hours 30 minutes. At what time does it end? (a) 15:55 (b) 13:55 (c) 14:55
22. 22.Write 9:10 p.m. in 24-hour time. (a) 09:10 (b) 23:10 (c) 21:10
23. 23.A match starts at 15:45 and lasts 3 hours 50 minutes. At what time does it end? (a) 20:35 (b) 18:35 (c) 19:35
24. 24.What is 05:10 in 12-hour time? (a) 7:10 a.m. (b) 5:10 p.m. (c) 5:10 a.m.
25. 25.A train leaves at 07:45 and reaches at 10:55. How long is the journey (in minutes)?
26. 26.How many hours are there from 08:00 to 22:00?
27. 27.A train leaves at 16:45 and reaches at 17:50. How long is the journey (in minutes)?
28. 28.How many hours are there from 07:00 to 20:00?
29. 29.What is 03:10 in 12-hour time? (a) 3:10 a.m. (b) 5:10 a.m. (c) 3:10 p.m.
30. 30.Write 7:20 p.m. in 24-hour time. (a) 21:20 (b) 19:20 (c) 07:20
31. 31.Write 6:15 a.m. in 24-hour time. (a) 08:15 (b) 06:15 (c) 18:15
32. 32.A train leaves at 08:05 and reaches at 10:40. How long is the journey (in minutes)?
33. 33.A match starts at 16:00 and lasts 4 hours 10 minutes. At what time does it end? (a) 20:10 (b) 19:10 (c) 21:10
34. 34.A train leaves at 09:10 and reaches at 11:25. How long is the journey (in minutes)?
35. 35.What is 13:25 in 12-hour time? (a) 3:25 p.m. (b) 1:25 p.m. (c) 1:25 a.m.
36. 36.What is 07:55 in 12-hour time? (a) 9:55 a.m. (b) 7:55 a.m. (c) 7:55 p.m.
37. 37.How many hours are there from 09:00 to 15:00?
38. 38.A train leaves at 16:05 and reaches at 16:35. How long is the journey (in minutes)?
39. 39.A film is 1 hour 20 minutes long. How many minutes is that?
40. 40.A film is 1 hour 35 minutes long. How many minutes is that?

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