Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 597 · 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 film is 2 hours 5 minutes long. How many minutes is that?
2. 2.Write 7:55 a.m. in 24-hour time. (a) 19:55 (b) 07:55 (c) 09:55
3. 3.Write 2:30 p.m. in 24-hour time. (a) 16:30 (b) 02:30 (c) 14:30
4. 4.A match starts at 16:25 and lasts 3 hours 5 minutes. At what time does it end? (a) 20:30 (b) 19:30 (c) 18:30
5. 5.Write 8:05 a.m. in 24-hour time. (a) 08:05 (b) 10:05 (c) 20:05
6. 6.Write 9:15 p.m. in 24-hour time. (a) 09:15 (b) 23:15 (c) 21:15
7. 7.A train leaves at 09:10 and reaches at 09:55. How long is the journey (in minutes)?
8. 8.What is 16:45 in 12-hour time? (a) 6:45 p.m. (b) 4:45 p.m. (c) 4:45 a.m.
9. 9.Write 3:50 a.m. in 24-hour time. (a) 03:50 (b) 15:50 (c) 05:50
10. 10.A train leaves at 14:15 and reaches at 15:10. How long is the journey (in minutes)?
11. 11.A train leaves at 14:05 and reaches at 14:55. How long is the journey (in minutes)?
12. 12.A train leaves at 10:50 and reaches at 13:40. How long is the journey (in minutes)?
13. 13.A train leaves at 07:05 and reaches at 10:20. How long is the journey (in minutes)?
14. 14.What is 13:45 in 12-hour time? (a) 3:45 p.m. (b) 1:45 p.m. (c) 1:45 a.m.
15. 15.A match starts at 11:10 and lasts 3 hours 10 minutes. At what time does it end? (a) 15:20 (b) 14:20 (c) 13:20
16. 16.A train leaves at 11:35 and reaches at 14:35. How long is the journey (in minutes)?
17. 17.A film is 2 hours 25 minutes long. How many minutes is that?
18. 18.A film is 3 hours 50 minutes long. How many minutes is that?
19. 19.A train leaves at 11:40 and reaches at 14:25. How long is the journey (in minutes)?
20. 20.What is 23:45 in 12-hour time? (a) 11:45 p.m. (b) 11:45 a.m. (c) 1:45 p.m.
21. 21.How many hours are there from 07:00 to 19:00?
22. 22.A film is 3 hours 5 minutes long. How many minutes is that?
23. 23.A match starts at 13:50 and lasts 4 hours 45 minutes. At what time does it end? (a) 18:35 (b) 19:35 (c) 17:35
24. 24.What is 07:20 in 12-hour time? (a) 9:20 a.m. (b) 7:20 p.m. (c) 7:20 a.m.
25. 25.How many hours are there from 07:00 to 17:00?
26. 26.How many hours are there from 06:00 to 23:00?
27. 27.A film is 1 hour 5 minutes long. How many minutes is that?
28. 28.What is 15:50 in 12-hour time? (a) 5:50 p.m. (b) 3:50 a.m. (c) 3:50 p.m.
29. 29.A match starts at 07:10 and lasts 3 hours. At what time does it end? (a) 11:10 (b) 10:10 (c) 09:10
30. 30.A film is 4 hours 45 minutes long. How many minutes is that?
31. 31.What is 05:30 in 12-hour time? (a) 5:30 p.m. (b) 7:30 a.m. (c) 5:30 a.m.
32. 32.Write 1:10 a.m. in 24-hour time. (a) 03:10 (b) 01:10 (c) 13:10
33. 33.Write 8:25 a.m. in 24-hour time. (a) 08:25 (b) 20:25 (c) 10:25
34. 34.A match starts at 14:25 and lasts 4 hours 35 minutes. At what time does it end? (a) 20:00 (b) 18:00 (c) 19:00
35. 35.Write 5:15 a.m. in 24-hour time. (a) 05:15 (b) 07:15 (c) 17:15
36. 36.What is 16:50 in 12-hour time? (a) 4:50 a.m. (b) 6:50 p.m. (c) 4:50 p.m.
37. 37.A film is 3 hours 25 minutes long. How many minutes is that?
38. 38.A train leaves at 07:45 and reaches at 10:00. How long is the journey (in minutes)?
39. 39.A train leaves at 10:45 and reaches at 11:30. How long is the journey (in minutes)?
40. 40.How many hours are there from 09:00 to 14:00?

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