Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 886 · 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 7:10 a.m. in 24-hour time. (a) 07:10 (b) 19:10 (c) 09:10
2. 2.A train leaves at 11:35 and reaches at 13:00. How long is the journey (in minutes)?
3. 3.What is 15:40 in 12-hour time? (a) 3:40 p.m. (b) 5:40 p.m. (c) 3:40 a.m.
4. 4.How many hours are there from 09:00 to 12:00?
5. 5.What is 01:30 in 12-hour time? (a) 1:30 p.m. (b) 1:30 a.m. (c) 3:30 a.m.
6. 6.A film is 4 hours 40 minutes long. How many minutes is that?
7. 7.A match starts at 16:20 and lasts 2 hours 50 minutes. At what time does it end? (a) 18:10 (b) 19:10 (c) 20:10
8. 8.What is 10:55 in 12-hour time? (a) 10:55 p.m. (b) 10:55 a.m. (c) 12:55 a.m.
9. 9.Write 4:05 p.m. in 24-hour time. (a) 16:05 (b) 18:05 (c) 04:05
10. 10.Write 1:50 a.m. in 24-hour time. (a) 01:50 (b) 03:50 (c) 13:50
11. 11.What is 08:20 in 12-hour time? (a) 8:20 p.m. (b) 10:20 a.m. (c) 8:20 a.m.
12. 12.What is 15:55 in 12-hour time? (a) 3:55 p.m. (b) 5:55 p.m. (c) 3:55 a.m.
13. 13.Write 4:55 p.m. in 24-hour time. (a) 16:55 (b) 04:55 (c) 18:55
14. 14.A film is 4 hours 50 minutes long. How many minutes is that?
15. 15.Write 4:10 a.m. in 24-hour time. (a) 06:10 (b) 16:10 (c) 04:10
16. 16.What is 18:10 in 12-hour time? (a) 8:10 p.m. (b) 6:10 p.m. (c) 6:10 a.m.
17. 17.A train leaves at 11:50 and reaches at 14:50. How long is the journey (in minutes)?
18. 18.What is 01:05 in 12-hour time? (a) 3:05 a.m. (b) 1:05 p.m. (c) 1:05 a.m.
19. 19.A film is 2 hours 35 minutes long. How many minutes is that?
20. 20.What is 02:25 in 12-hour time? (a) 2:25 p.m. (b) 4:25 a.m. (c) 2:25 a.m.
21. 21.What is 02:40 in 12-hour time? (a) 2:40 a.m. (b) 4:40 a.m. (c) 2:40 p.m.
22. 22.Write 3:25 p.m. in 24-hour time. (a) 03:25 (b) 17:25 (c) 15:25
23. 23.How many hours are there from 05:00 to 20:00?
24. 24.A film is 3 hours 15 minutes long. How many minutes is that?
25. 25.What is 22:45 in 12-hour time? (a) 10:45 a.m. (b) 12:45 p.m. (c) 10:45 p.m.
26. 26.Write 5:50 a.m. in 24-hour time. (a) 07:50 (b) 17:50 (c) 05:50
27. 27.What is 06:35 in 12-hour time? (a) 8:35 a.m. (b) 6:35 a.m. (c) 6:35 p.m.
28. 28.What is 04:50 in 12-hour time? (a) 4:50 a.m. (b) 6:50 a.m. (c) 4:50 p.m.
29. 29.What is 22:00 in 12-hour time? (a) 10:00 a.m. (b) 12:00 p.m. (c) 10:00 p.m.
30. 30.How many hours are there from 07:00 to 17:00?
31. 31.A train leaves at 08:15 and reaches at 08:55. How long is the journey (in minutes)?
32. 32.Write 11:25 a.m. in 24-hour time. (a) 13:25 (b) 23:25 (c) 11:25
33. 33.What is 11:05 in 12-hour time? (a) 11:05 p.m. (b) 11:05 a.m. (c) 1:05 a.m.
34. 34.A match starts at 15:05 and lasts 3 hours 30 minutes. At what time does it end? (a) 18:35 (b) 17:35 (c) 19:35
35. 35.A train leaves at 06:40 and reaches at 07:40. How long is the journey (in minutes)?
36. 36.A film is 4 hours 20 minutes long. How many minutes is that?
37. 37.A train leaves at 18:25 and reaches at 19:55. How long is the journey (in minutes)?
38. 38.Write 10:05 a.m. in 24-hour time. (a) 12:05 (b) 22:05 (c) 10:05
39. 39.What is 19:15 in 12-hour time? (a) 7:15 a.m. (b) 7:15 p.m. (c) 9:15 p.m.
40. 40.A film is 1 hour 15 minutes long. How many minutes is that?

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