Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 256 · 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 9:15 a.m. in 24-hour time. (a) 21:15 (b) 09:15 (c) 11:15
2. 2.Write 9:55 a.m. in 24-hour time. (a) 11:55 (b) 09:55 (c) 21:55
3. 3.What is 09:05 in 12-hour time? (a) 11:05 a.m. (b) 9:05 a.m. (c) 9:05 p.m.
4. 4.Write 11:05 p.m. in 24-hour time. (a) 01:05 (b) 11:05 (c) 23:05
5. 5.A train leaves at 17:20 and reaches at 19:25. How long is the journey (in minutes)?
6. 6.What is 16:30 in 12-hour time? (a) 6:30 p.m. (b) 4:30 a.m. (c) 4:30 p.m.
7. 7.What is 17:30 in 12-hour time? (a) 7:30 p.m. (b) 5:30 a.m. (c) 5:30 p.m.
8. 8.How many hours are there from 09:00 to 13:00?
9. 9.Write 2:10 a.m. in 24-hour time. (a) 02:10 (b) 04:10 (c) 14:10
10. 10.Write 1:00 a.m. in 24-hour time. (a) 03:00 (b) 13:00 (c) 01:00
11. 11.How many hours are there from 05:00 to 10:00?
12. 12.A match starts at 07:55 and lasts 4 hours 25 minutes. At what time does it end? (a) 11:20 (b) 12:20 (c) 13:20
13. 13.A match starts at 09:15 and lasts 1 hour. At what time does it end? (a) 11:15 (b) 09:15 (c) 10:15
14. 14.A train leaves at 18:10 and reaches at 19:15. How long is the journey (in minutes)?
15. 15.How many hours are there from 08:00 to 22:00?
16. 16.A train leaves at 17:10 and reaches at 17:35. How long is the journey (in minutes)?
17. 17.Write 2:45 a.m. in 24-hour time. (a) 14:45 (b) 04:45 (c) 02:45
18. 18.Write 7:25 a.m. in 24-hour time. (a) 19:25 (b) 07:25 (c) 09:25
19. 19.A train leaves at 06:45 and reaches at 09:00. How long is the journey (in minutes)?
20. 20.What is 01:00 in 12-hour time? (a) 1:00 p.m. (b) 3:00 a.m. (c) 1:00 a.m.
21. 21.A train leaves at 08:30 and reaches at 11:50. How long is the journey (in minutes)?
22. 22.A match starts at 07:35 and lasts 3 hours 50 minutes. At what time does it end? (a) 12:25 (b) 11:25 (c) 10:25
23. 23.A match starts at 09:05 and lasts 2 hours. At what time does it end? (a) 10:05 (b) 12:05 (c) 11:05
24. 24.A train leaves at 18:55 and reaches at 21:55. How long is the journey (in minutes)?
25. 25.Write 1:30 p.m. in 24-hour time. (a) 15:30 (b) 13:30 (c) 01:30
26. 26.What is 04:30 in 12-hour time? (a) 4:30 a.m. (b) 6:30 a.m. (c) 4:30 p.m.
27. 27.A match starts at 18:15 and lasts 4 hours 55 minutes. At what time does it end? (a) 22:10 (b) 23:10 (c) 00:10
28. 28.Write 2:15 p.m. in 24-hour time. (a) 16:15 (b) 14:15 (c) 02:15
29. 29.What is 02:25 in 12-hour time? (a) 2:25 a.m. (b) 4:25 a.m. (c) 2:25 p.m.
30. 30.A train leaves at 16:00 and reaches at 18:50. How long is the journey (in minutes)?
31. 31.Write 4:05 p.m. in 24-hour time. (a) 16:05 (b) 18:05 (c) 04:05
32. 32.A train leaves at 06:10 and reaches at 07:40. How long is the journey (in minutes)?
33. 33.What is 08:15 in 12-hour time? (a) 8:15 a.m. (b) 8:15 p.m. (c) 10:15 a.m.
34. 34.Write 7:25 p.m. in 24-hour time. (a) 19:25 (b) 21:25 (c) 07:25
35. 35.A film is 4 hours 15 minutes long. How many minutes is that?
36. 36.A film is 2 hours 15 minutes long. How many minutes is that?
37. 37.How many hours are there from 12:00 to 14:00?
38. 38.Write 8:50 p.m. in 24-hour time. (a) 22:50 (b) 08:50 (c) 20:50
39. 39.What is 19:25 in 12-hour time? (a) 7:25 a.m. (b) 9:25 p.m. (c) 7:25 p.m.
40. 40.A film is 3 hours 30 minutes long. How many minutes is that?

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