Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 864 · 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 6:30 p.m. in 24-hour time. (a) 18:30 (b) 06:30 (c) 20:30
2. 2.Write 1:20 p.m. in 24-hour time. (a) 01:20 (b) 15:20 (c) 13:20
3. 3.Write 9:50 a.m. in 24-hour time. (a) 09:50 (b) 21:50 (c) 11:50
4. 4.A match starts at 14:15 and lasts 4 hours 15 minutes. At what time does it end? (a) 17:30 (b) 18:30 (c) 19:30
5. 5.What is 02:15 in 12-hour time? (a) 4:15 a.m. (b) 2:15 p.m. (c) 2:15 a.m.
6. 6.What is 01:20 in 12-hour time? (a) 3:20 a.m. (b) 1:20 p.m. (c) 1:20 a.m.
7. 7.How many hours are there from 07:00 to 22:00?
8. 8.Write 11:00 p.m. in 24-hour time. (a) 01:00 (b) 23:00 (c) 11:00
9. 9.How many hours are there from 10:00 to 22:00?
10. 10.How many hours are there from 09:00 to 14:00?
11. 11.Write 10:00 a.m. in 24-hour time. (a) 10:00 (b) 22:00 (c) 12:00
12. 12.Write 3:35 a.m. in 24-hour time. (a) 15:35 (b) 05:35 (c) 03:35
13. 13.A train leaves at 15:45 and reaches at 17:50. How long is the journey (in minutes)?
14. 14.A train leaves at 06:55 and reaches at 08:00. How long is the journey (in minutes)?
15. 15.Write 1:10 a.m. in 24-hour time. (a) 01:10 (b) 13:10 (c) 03:10
16. 16.A train leaves at 06:05 and reaches at 07:00. How long is the journey (in minutes)?
17. 17.A match starts at 12:55 and lasts 4 hours 10 minutes. At what time does it end? (a) 17:05 (b) 18:05 (c) 16:05
18. 18.Write 3:20 a.m. in 24-hour time. (a) 03:20 (b) 15:20 (c) 05:20
19. 19.Write 5:20 p.m. in 24-hour time. (a) 19:20 (b) 05:20 (c) 17:20
20. 20.A train leaves at 06:45 and reaches at 09:10. How long is the journey (in minutes)?
21. 21.What is 08:30 in 12-hour time? (a) 10:30 a.m. (b) 8:30 p.m. (c) 8:30 a.m.
22. 22.A train leaves at 10:45 and reaches at 13:40. How long is the journey (in minutes)?
23. 23.A film is 4 hours 10 minutes long. How many minutes is that?
24. 24.What is 10:10 in 12-hour time? (a) 10:10 a.m. (b) 12:10 a.m. (c) 10:10 p.m.
25. 25.How many hours are there from 08:00 to 15:00?
26. 26.Write 3:10 p.m. in 24-hour time. (a) 17:10 (b) 15:10 (c) 03:10
27. 27.Write 2:10 a.m. in 24-hour time. (a) 02:10 (b) 04:10 (c) 14:10
28. 28.What is 15:25 in 12-hour time? (a) 3:25 a.m. (b) 5:25 p.m. (c) 3:25 p.m.
29. 29.A match starts at 12:00 and lasts 4 hours 45 minutes. At what time does it end? (a) 17:45 (b) 15:45 (c) 16:45
30. 30.Write 1:25 p.m. in 24-hour time. (a) 01:25 (b) 15:25 (c) 13:25
31. 31.What is 06:30 in 12-hour time? (a) 8:30 a.m. (b) 6:30 a.m. (c) 6:30 p.m.
32. 32.A train leaves at 07:40 and reaches at 10:40. How long is the journey (in minutes)?
33. 33.A train leaves at 10:05 and reaches at 12:50. How long is the journey (in minutes)?
34. 34.What is 10:15 in 12-hour time? (a) 10:15 p.m. (b) 12:15 a.m. (c) 10:15 a.m.
35. 35.A train leaves at 18:30 and reaches at 21:25. How long is the journey (in minutes)?
36. 36.What is 04:20 in 12-hour time? (a) 4:20 a.m. (b) 4:20 p.m. (c) 6:20 a.m.
37. 37.What is 16:50 in 12-hour time? (a) 4:50 p.m. (b) 6:50 p.m. (c) 4:50 a.m.
38. 38.Write 8:10 a.m. in 24-hour time. (a) 10:10 (b) 08:10 (c) 20:10
39. 39.A train leaves at 14:10 and reaches at 16:25. How long is the journey (in minutes)?
40. 40.How many hours are there from 11:00 to 18:00?

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