Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 550 · 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.How many hours are there from 05:00 to 11:00?
2. 2.A train leaves at 12:30 and reaches at 15:30. How long is the journey (in minutes)?
3. 3.A match starts at 12:50 and lasts 4 hours 5 minutes. At what time does it end? (a) 16:55 (b) 15:55 (c) 17:55
4. 4.Write 10:55 p.m. in 24-hour time. (a) 00:55 (b) 22:55 (c) 10:55
5. 5.A train leaves at 11:30 and reaches at 14:45. How long is the journey (in minutes)?
6. 6.What is 02:50 in 12-hour time? (a) 2:50 a.m. (b) 2:50 p.m. (c) 4:50 a.m.
7. 7.A train leaves at 15:45 and reaches at 17:10. How long is the journey (in minutes)?
8. 8.A match starts at 07:05 and lasts 2 hours 5 minutes. At what time does it end? (a) 08:10 (b) 10:10 (c) 09:10
9. 9.A film is 3 hours 15 minutes long. How many minutes is that?
10. 10.A match starts at 09:15 and lasts 3 hours 35 minutes. At what time does it end? (a) 12:50 (b) 11:50 (c) 13:50
11. 11.Write 2:10 a.m. in 24-hour time. (a) 14:10 (b) 02:10 (c) 04:10
12. 12.What is 17:00 in 12-hour time? (a) 7:00 p.m. (b) 5:00 p.m. (c) 5:00 a.m.
13. 13.Write 11:45 p.m. in 24-hour time. (a) 01:45 (b) 11:45 (c) 23:45
14. 14.How many hours are there from 09:00 to 17:00?
15. 15.A train leaves at 13:20 and reaches at 14:00. How long is the journey (in minutes)?
16. 16.Write 9:40 a.m. in 24-hour time. (a) 09:40 (b) 11:40 (c) 21:40
17. 17.What is 21:10 in 12-hour time? (a) 11:10 p.m. (b) 9:10 a.m. (c) 9:10 p.m.
18. 18.A film is 4 hours 25 minutes long. How many minutes is that?
19. 19.Write 3:55 a.m. in 24-hour time. (a) 15:55 (b) 03:55 (c) 05:55
20. 20.A film is 3 hours 50 minutes long. How many minutes is that?
21. 21.A train leaves at 19:25 and reaches at 22:40. How long is the journey (in minutes)?
22. 22.A match starts at 12:55 and lasts 3 hours 45 minutes. At what time does it end? (a) 16:40 (b) 15:40 (c) 17:40
23. 23.What is 01:40 in 12-hour time? (a) 3:40 a.m. (b) 1:40 p.m. (c) 1:40 a.m.
24. 24.A film is 4 hours 5 minutes long. How many minutes is that?
25. 25.Write 10:45 p.m. in 24-hour time. (a) 10:45 (b) 00:45 (c) 22:45
26. 26.Write 3:50 a.m. in 24-hour time. (a) 15:50 (b) 03:50 (c) 05:50
27. 27.A train leaves at 06:00 and reaches at 07:25. How long is the journey (in minutes)?
28. 28.How many hours are there from 08:00 to 23:00?
29. 29.Write 11:40 a.m. in 24-hour time. (a) 11:40 (b) 23:40 (c) 13:40
30. 30.Write 4:25 a.m. in 24-hour time. (a) 04:25 (b) 16:25 (c) 06:25
31. 31.A match starts at 10:20 and lasts 1 hour 25 minutes. At what time does it end? (a) 10:45 (b) 11:45 (c) 12:45
32. 32.A train leaves at 18:50 and reaches at 21:40. How long is the journey (in minutes)?
33. 33.A match starts at 08:55 and lasts 4 hours 15 minutes. At what time does it end? (a) 12:10 (b) 14:10 (c) 13:10
34. 34.What is 04:15 in 12-hour time? (a) 4:15 p.m. (b) 6:15 a.m. (c) 4:15 a.m.
35. 35.A train leaves at 07:35 and reaches at 09:05. How long is the journey (in minutes)?
36. 36.A train leaves at 15:05 and reaches at 18:25. How long is the journey (in minutes)?
37. 37.A train leaves at 08:10 and reaches at 10:35. How long is the journey (in minutes)?
38. 38.How many hours are there from 11:00 to 20:00?
39. 39.A match starts at 18:00 and lasts 1 hour 55 minutes. At what time does it end? (a) 19:55 (b) 20:55 (c) 18:55
40. 40.How many hours are there from 12:00 to 14:00?

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