Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 274 · 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 4 hours 30 minutes long. How many minutes is that?
2. 2.Write 11:55 p.m. in 24-hour time. (a) 01:55 (b) 23:55 (c) 11:55
3. 3.What is 09:05 in 12-hour time? (a) 9:05 p.m. (b) 11:05 a.m. (c) 9:05 a.m.
4. 4.A train leaves at 06:15 and reaches at 09:20. How long is the journey (in minutes)?
5. 5.What is 10:25 in 12-hour time? (a) 12:25 a.m. (b) 10:25 a.m. (c) 10:25 p.m.
6. 6.A train leaves at 11:40 and reaches at 13:00. How long is the journey (in minutes)?
7. 7.A train leaves at 16:00 and reaches at 19:10. How long is the journey (in minutes)?
8. 8.How many hours are there from 11:00 to 22:00?
9. 9.How many hours are there from 09:00 to 11:00?
10. 10.A train leaves at 13:50 and reaches at 14:35. How long is the journey (in minutes)?
11. 11.A film is 2 hours 10 minutes long. How many minutes is that?
12. 12.A film is 2 hours 55 minutes long. How many minutes is that?
13. 13.What is 21:15 in 12-hour time? (a) 9:15 a.m. (b) 9:15 p.m. (c) 11:15 p.m.
14. 14.Write 1:35 p.m. in 24-hour time. (a) 15:35 (b) 13:35 (c) 01:35
15. 15.What is 17:25 in 12-hour time? (a) 7:25 p.m. (b) 5:25 p.m. (c) 5:25 a.m.
16. 16.A train leaves at 10:25 and reaches at 12:30. How long is the journey (in minutes)?
17. 17.A film is 1 hour 5 minutes long. How many minutes is that?
18. 18.How many hours are there from 07:00 to 20:00?
19. 19.How many hours are there from 06:00 to 11:00?
20. 20.Write 2:35 p.m. in 24-hour time. (a) 16:35 (b) 14:35 (c) 02:35
21. 21.What is 06:10 in 12-hour time? (a) 6:10 p.m. (b) 6:10 a.m. (c) 8:10 a.m.
22. 22.A film is 1 hour 30 minutes long. How many minutes is that?
23. 23.What is 09:20 in 12-hour time? (a) 11:20 a.m. (b) 9:20 p.m. (c) 9:20 a.m.
24. 24.A train leaves at 14:05 and reaches at 16:30. How long is the journey (in minutes)?
25. 25.A match starts at 11:10 and lasts 3 hours 30 minutes. At what time does it end? (a) 14:40 (b) 13:40 (c) 15:40
26. 26.Write 8:00 a.m. in 24-hour time. (a) 20:00 (b) 08:00 (c) 10:00
27. 27.A film is 3 hours 55 minutes long. How many minutes is that?
28. 28.Write 6:15 p.m. in 24-hour time. (a) 18:15 (b) 20:15 (c) 06:15
29. 29.A train leaves at 16:55 and reaches at 20:10. How long is the journey (in minutes)?
30. 30.What is 03:30 in 12-hour time? (a) 3:30 p.m. (b) 5:30 a.m. (c) 3:30 a.m.
31. 31.What is 08:30 in 12-hour time? (a) 10:30 a.m. (b) 8:30 p.m. (c) 8:30 a.m.
32. 32.Write 9:10 p.m. in 24-hour time. (a) 09:10 (b) 23:10 (c) 21:10
33. 33.Write 11:45 a.m. in 24-hour time. (a) 11:45 (b) 13:45 (c) 23:45
34. 34.A train leaves at 14:30 and reaches at 16:10. How long is the journey (in minutes)?
35. 35.A film is 3 hours 40 minutes long. How many minutes is that?
36. 36.What is 05:10 in 12-hour time? (a) 5:10 a.m. (b) 5:10 p.m. (c) 7:10 a.m.
37. 37.What is 18:20 in 12-hour time? (a) 6:20 a.m. (b) 8:20 p.m. (c) 6:20 p.m.
38. 38.Write 9:05 a.m. in 24-hour time. (a) 09:05 (b) 21:05 (c) 11:05
39. 39.How many hours are there from 08:00 to 18:00?
40. 40.Write 2:05 a.m. in 24-hour time. (a) 02:05 (b) 04:05 (c) 14:05

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