Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 726 · 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 8:10 a.m. in 24-hour time. (a) 10:10 (b) 20:10 (c) 08:10
2. 2.A train leaves at 07:35 and reaches at 09:55. How long is the journey (in minutes)?
3. 3.Write 9:10 p.m. in 24-hour time. (a) 09:10 (b) 21:10 (c) 23:10
4. 4.A film is 3 hours 45 minutes long. How many minutes is that?
5. 5.A match starts at 17:20 and lasts 3 hours 20 minutes. At what time does it end? (a) 21:40 (b) 19:40 (c) 20:40
6. 6.Write 10:55 a.m. in 24-hour time. (a) 12:55 (b) 10:55 (c) 22:55
7. 7.What is 04:10 in 12-hour time? (a) 6:10 a.m. (b) 4:10 p.m. (c) 4:10 a.m.
8. 8.How many hours are there from 06:00 to 12:00?
9. 9.A film is 1 hour 15 minutes long. How many minutes is that?
10. 10.What is 03:50 in 12-hour time? (a) 5:50 a.m. (b) 3:50 a.m. (c) 3:50 p.m.
11. 11.A match starts at 10:15 and lasts 3 hours 50 minutes. At what time does it end? (a) 14:05 (b) 13:05 (c) 15:05
12. 12.A film is 4 hours 10 minutes long. How many minutes is that?
13. 13.A film is 3 hours 30 minutes long. How many minutes is that?
14. 14.A match starts at 12:45 and lasts 1 hour 20 minutes. At what time does it end? (a) 13:05 (b) 15:05 (c) 14:05
15. 15.A train leaves at 12:55 and reaches at 13:50. How long is the journey (in minutes)?
16. 16.Write 6:05 a.m. in 24-hour time. (a) 08:05 (b) 06:05 (c) 18:05
17. 17.Write 11:40 p.m. in 24-hour time. (a) 11:40 (b) 23:40 (c) 01:40
18. 18.What is 09:50 in 12-hour time? (a) 11:50 a.m. (b) 9:50 p.m. (c) 9:50 a.m.
19. 19.Write 11:25 p.m. in 24-hour time. (a) 11:25 (b) 01:25 (c) 23:25
20. 20.A match starts at 06:40 and lasts 3 hours 55 minutes. At what time does it end? (a) 10:35 (b) 09:35 (c) 11:35
21. 21.A match starts at 12:40 and lasts 3 hours 45 minutes. At what time does it end? (a) 16:25 (b) 17:25 (c) 15:25
22. 22.What is 23:20 in 12-hour time? (a) 11:20 a.m. (b) 1:20 p.m. (c) 11:20 p.m.
23. 23.What is 18:00 in 12-hour time? (a) 6:00 p.m. (b) 6:00 a.m. (c) 8:00 p.m.
24. 24.How many hours are there from 10:00 to 20:00?
25. 25.A train leaves at 09:30 and reaches at 12:15. How long is the journey (in minutes)?
26. 26.What is 13:30 in 12-hour time? (a) 1:30 a.m. (b) 1:30 p.m. (c) 3:30 p.m.
27. 27.A match starts at 07:05 and lasts 1 hour 5 minutes. At what time does it end? (a) 09:10 (b) 08:10 (c) 07:10
28. 28.Write 9:15 a.m. in 24-hour time. (a) 21:15 (b) 11:15 (c) 09:15
29. 29.What is 17:40 in 12-hour time? (a) 5:40 a.m. (b) 7:40 p.m. (c) 5:40 p.m.
30. 30.A match starts at 16:05 and lasts 2 hours 35 minutes. At what time does it end? (a) 17:40 (b) 19:40 (c) 18:40
31. 31.Write 7:30 a.m. in 24-hour time. (a) 09:30 (b) 19:30 (c) 07:30
32. 32.How many hours are there from 10:00 to 12:00?
33. 33.What is 14:05 in 12-hour time? (a) 4:05 p.m. (b) 2:05 p.m. (c) 2:05 a.m.
34. 34.What is 19:40 in 12-hour time? (a) 9:40 p.m. (b) 7:40 a.m. (c) 7:40 p.m.
35. 35.A match starts at 15:15 and lasts 3 hours 40 minutes. At what time does it end? (a) 19:55 (b) 17:55 (c) 18:55
36. 36.Write 4:10 p.m. in 24-hour time. (a) 16:10 (b) 04:10 (c) 18:10
37. 37.Write 9:15 p.m. in 24-hour time. (a) 23:15 (b) 09:15 (c) 21:15
38. 38.How many hours are there from 10:00 to 13:00?
39. 39.A film is 1 hour 45 minutes long. How many minutes is that?
40. 40.How many hours are there from 09:00 to 21:00?

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