Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 410 · 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 09:00 to 12:00?
2. 2.What is 15:05 in 12-hour time? (a) 3:05 a.m. (b) 3:05 p.m. (c) 5:05 p.m.
3. 3.A train leaves at 15:30 and reaches at 17:45. How long is the journey (in minutes)?
4. 4.What is 07:10 in 12-hour time? (a) 9:10 a.m. (b) 7:10 a.m. (c) 7:10 p.m.
5. 5.A train leaves at 08:40 and reaches at 09:55. How long is the journey (in minutes)?
6. 6.A train leaves at 15:30 and reaches at 16:45. How long is the journey (in minutes)?
7. 7.A film is 1 hour 45 minutes long. How many minutes is that?
8. 8.A train leaves at 07:10 and reaches at 10:30. How long is the journey (in minutes)?
9. 9.Write 5:05 p.m. in 24-hour time. (a) 05:05 (b) 19:05 (c) 17:05
10. 10.What is 09:00 in 12-hour time? (a) 11:00 a.m. (b) 9:00 a.m. (c) 9:00 p.m.
11. 11.A match starts at 13:30 and lasts 3 hours 40 minutes. At what time does it end? (a) 16:10 (b) 18:10 (c) 17:10
12. 12.What is 05:05 in 12-hour time? (a) 5:05 p.m. (b) 5:05 a.m. (c) 7:05 a.m.
13. 13.A film is 2 hours 45 minutes long. How many minutes is that?
14. 14.What is 14:45 in 12-hour time? (a) 2:45 p.m. (b) 4:45 p.m. (c) 2:45 a.m.
15. 15.A match starts at 15:05 and lasts 2 hours 10 minutes. At what time does it end? (a) 16:15 (b) 17:15 (c) 18:15
16. 16.A train leaves at 16:10 and reaches at 16:35. How long is the journey (in minutes)?
17. 17.A train leaves at 07:15 and reaches at 09:50. How long is the journey (in minutes)?
18. 18.A film is 1 hour 10 minutes long. How many minutes is that?
19. 19.How many hours are there from 11:00 to 23:00?
20. 20.A train leaves at 11:35 and reaches at 12:30. How long is the journey (in minutes)?
21. 21.What is 20:25 in 12-hour time? (a) 8:25 a.m. (b) 10:25 p.m. (c) 8:25 p.m.
22. 22.What is 21:00 in 12-hour time? (a) 11:00 p.m. (b) 9:00 a.m. (c) 9:00 p.m.
23. 23.Write 8:15 a.m. in 24-hour time. (a) 08:15 (b) 10:15 (c) 20:15
24. 24.A film is 2 hours 5 minutes long. How many minutes is that?
25. 25.A train leaves at 06:25 and reaches at 08:25. How long is the journey (in minutes)?
26. 26.A train leaves at 16:45 and reaches at 17:35. How long is the journey (in minutes)?
27. 27.Write 6:05 p.m. in 24-hour time. (a) 06:05 (b) 20:05 (c) 18:05
28. 28.What is 23:45 in 12-hour time? (a) 1:45 p.m. (b) 11:45 a.m. (c) 11:45 p.m.
29. 29.A film is 3 hours 50 minutes long. How many minutes is that?
30. 30.How many hours are there from 06:00 to 18:00?
31. 31.Write 8:45 p.m. in 24-hour time. (a) 22:45 (b) 08:45 (c) 20:45
32. 32.What is 19:40 in 12-hour time? (a) 9:40 p.m. (b) 7:40 a.m. (c) 7:40 p.m.
33. 33.How many hours are there from 07:00 to 11:00?
34. 34.A film is 1 hour 20 minutes long. How many minutes is that?
35. 35.A match starts at 15:20 and lasts 1 hour 35 minutes. At what time does it end? (a) 17:55 (b) 16:55 (c) 15:55
36. 36.How many hours are there from 11:00 to 20:00?
37. 37.How many hours are there from 09:00 to 21:00?
38. 38.A match starts at 07:10 and lasts 3 hours 55 minutes. At what time does it end? (a) 10:05 (b) 11:05 (c) 12:05
39. 39.What is 13:25 in 12-hour time? (a) 3:25 p.m. (b) 1:25 a.m. (c) 1:25 p.m.
40. 40.What is 16:50 in 12-hour time? (a) 4:50 p.m. (b) 6:50 p.m. (c) 4:50 a.m.

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