Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 68 · 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 12:00 to 15:00?
2. 2.A train leaves at 11:55 and reaches at 13:50. How long is the journey (in minutes)?
3. 3.Write 1:20 a.m. in 24-hour time. (a) 13:20 (b) 01:20 (c) 03:20
4. 4.What is 23:05 in 12-hour time? (a) 1:05 p.m. (b) 11:05 p.m. (c) 11:05 a.m.
5. 5.A film is 4 hours 45 minutes long. How many minutes is that?
6. 6.A train leaves at 11:25 and reaches at 11:50. How long is the journey (in minutes)?
7. 7.A train leaves at 11:20 and reaches at 12:25. How long is the journey (in minutes)?
8. 8.How many hours are there from 05:00 to 21:00?
9. 9.What is 05:30 in 12-hour time? (a) 5:30 p.m. (b) 7:30 a.m. (c) 5:30 a.m.
10. 10.A film is 4 hours 10 minutes long. How many minutes is that?
11. 11.A film is 2 hours 35 minutes long. How many minutes is that?
12. 12.Write 1:05 p.m. in 24-hour time. (a) 01:05 (b) 15:05 (c) 13:05
13. 13.A film is 1 hour 50 minutes long. How many minutes is that?
14. 14.What is 22:15 in 12-hour time? (a) 10:15 p.m. (b) 10:15 a.m. (c) 12:15 p.m.
15. 15.How many hours are there from 08:00 to 18:00?
16. 16.How many hours are there from 05:00 to 14:00?
17. 17.How many hours are there from 05:00 to 18:00?
18. 18.How many hours are there from 10:00 to 13:00?
19. 19.How many hours are there from 07:00 to 18:00?
20. 20.What is 03:10 in 12-hour time? (a) 3:10 p.m. (b) 5:10 a.m. (c) 3:10 a.m.
21. 21.Write 1:25 a.m. in 24-hour time. (a) 13:25 (b) 03:25 (c) 01:25
22. 22.Write 9:45 p.m. in 24-hour time. (a) 09:45 (b) 23:45 (c) 21:45
23. 23.A train leaves at 09:35 and reaches at 11:15. How long is the journey (in minutes)?
24. 24.A match starts at 15:25 and lasts 3 hours 20 minutes. At what time does it end? (a) 19:45 (b) 18:45 (c) 17:45
25. 25.What is 06:40 in 12-hour time? (a) 8:40 a.m. (b) 6:40 a.m. (c) 6:40 p.m.
26. 26.What is 23:10 in 12-hour time? (a) 11:10 a.m. (b) 1:10 p.m. (c) 11:10 p.m.
27. 27.A match starts at 17:10 and lasts 4 hours 10 minutes. At what time does it end? (a) 20:20 (b) 22:20 (c) 21:20
28. 28.A match starts at 08:10 and lasts 3 hours. At what time does it end? (a) 12:10 (b) 11:10 (c) 10:10
29. 29.Write 9:25 a.m. in 24-hour time. (a) 11:25 (b) 21:25 (c) 09:25
30. 30.What is 21:20 in 12-hour time? (a) 9:20 p.m. (b) 11:20 p.m. (c) 9:20 a.m.
31. 31.How many hours are there from 12:00 to 19:00?
32. 32.What is 23:35 in 12-hour time? (a) 11:35 p.m. (b) 11:35 a.m. (c) 1:35 p.m.
33. 33.What is 04:30 in 12-hour time? (a) 6:30 a.m. (b) 4:30 a.m. (c) 4:30 p.m.
34. 34.What is 16:05 in 12-hour time? (a) 6:05 p.m. (b) 4:05 a.m. (c) 4:05 p.m.
35. 35.What is 21:50 in 12-hour time? (a) 9:50 p.m. (b) 11:50 p.m. (c) 9:50 a.m.
36. 36.A match starts at 18:50 and lasts 1 hour 50 minutes. At what time does it end? (a) 20:40 (b) 21:40 (c) 19:40
37. 37.What is 13:15 in 12-hour time? (a) 3:15 p.m. (b) 1:15 p.m. (c) 1:15 a.m.
38. 38.How many hours are there from 08:00 to 19:00?
39. 39.A film is 1 hour 5 minutes long. How many minutes is that?
40. 40.A match starts at 09:55 and lasts 4 hours 5 minutes. At what time does it end? (a) 15:00 (b) 14:00 (c) 13:00

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