Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 720 · 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.What is 04:00 in 12-hour time? (a) 4:00 a.m. (b) 4:00 p.m. (c) 6:00 a.m.
2. 2.A train leaves at 14:45 and reaches at 18:00. How long is the journey (in minutes)?
3. 3.A match starts at 10:15 and lasts 3 hours 10 minutes. At what time does it end? (a) 12:25 (b) 13:25 (c) 14:25
4. 4.A train leaves at 08:20 and reaches at 09:25. How long is the journey (in minutes)?
5. 5.A train leaves at 06:15 and reaches at 07:05. How long is the journey (in minutes)?
6. 6.What is 09:10 in 12-hour time? (a) 9:10 p.m. (b) 11:10 a.m. (c) 9:10 a.m.
7. 7.What is 19:05 in 12-hour time? (a) 7:05 a.m. (b) 9:05 p.m. (c) 7:05 p.m.
8. 8.A film is 1 hour 55 minutes long. How many minutes is that?
9. 9.What is 17:00 in 12-hour time? (a) 7:00 p.m. (b) 5:00 p.m. (c) 5:00 a.m.
10. 10.A match starts at 18:15 and lasts 4 hours 15 minutes. At what time does it end? (a) 23:30 (b) 21:30 (c) 22:30
11. 11.Write 1:20 p.m. in 24-hour time. (a) 15:20 (b) 13:20 (c) 01:20
12. 12.What is 14:55 in 12-hour time? (a) 4:55 p.m. (b) 2:55 p.m. (c) 2:55 a.m.
13. 13.A match starts at 06:10 and lasts 1 hour 20 minutes. At what time does it end? (a) 07:30 (b) 06:30 (c) 08:30
14. 14.What is 11:30 in 12-hour time? (a) 11:30 p.m. (b) 11:30 a.m. (c) 1:30 a.m.
15. 15.Write 6:50 a.m. in 24-hour time. (a) 18:50 (b) 06:50 (c) 08:50
16. 16.A film is 3 hours 45 minutes long. How many minutes is that?
17. 17.Write 3:20 p.m. in 24-hour time. (a) 15:20 (b) 03:20 (c) 17:20
18. 18.Write 10:30 p.m. in 24-hour time. (a) 22:30 (b) 00:30 (c) 10:30
19. 19.A match starts at 16:10 and lasts 4 hours 45 minutes. At what time does it end? (a) 21:55 (b) 19:55 (c) 20:55
20. 20.How many hours are there from 06:00 to 13:00?
21. 21.What is 10:45 in 12-hour time? (a) 10:45 p.m. (b) 10:45 a.m. (c) 12:45 a.m.
22. 22.A train leaves at 15:25 and reaches at 18:20. How long is the journey (in minutes)?
23. 23.What is 13:45 in 12-hour time? (a) 1:45 p.m. (b) 1:45 a.m. (c) 3:45 p.m.
24. 24.A train leaves at 06:30 and reaches at 08:45. How long is the journey (in minutes)?
25. 25.How many hours are there from 06:00 to 10:00?
26. 26.What is 18:10 in 12-hour time? (a) 6:10 p.m. (b) 8:10 p.m. (c) 6:10 a.m.
27. 27.What is 05:25 in 12-hour time? (a) 5:25 p.m. (b) 7:25 a.m. (c) 5:25 a.m.
28. 28.A train leaves at 17:35 and reaches at 19:30. How long is the journey (in minutes)?
29. 29.A film is 2 hours 40 minutes long. How many minutes is that?
30. 30.What is 05:15 in 12-hour time? (a) 5:15 p.m. (b) 5:15 a.m. (c) 7:15 a.m.
31. 31.Write 5:50 p.m. in 24-hour time. (a) 19:50 (b) 17:50 (c) 05:50
32. 32.What is 22:45 in 12-hour time? (a) 10:45 p.m. (b) 10:45 a.m. (c) 12:45 p.m.
33. 33.A film is 2 hours 35 minutes long. How many minutes is that?
34. 34.What is 13:25 in 12-hour time? (a) 1:25 p.m. (b) 3:25 p.m. (c) 1:25 a.m.
35. 35.Write 9:55 p.m. in 24-hour time. (a) 09:55 (b) 21:55 (c) 23:55
36. 36.What is 16:30 in 12-hour time? (a) 4:30 a.m. (b) 6:30 p.m. (c) 4:30 p.m.
37. 37.What is 03:15 in 12-hour time? (a) 5:15 a.m. (b) 3:15 p.m. (c) 3:15 a.m.
38. 38.A match starts at 18:15 and lasts 2 hours 10 minutes. At what time does it end? (a) 20:25 (b) 19:25 (c) 21:25
39. 39.A match starts at 09:20 and lasts 4 hours 30 minutes. At what time does it end? (a) 14:50 (b) 12:50 (c) 13:50
40. 40.Write 8:40 p.m. in 24-hour time. (a) 22:40 (b) 20:40 (c) 08:40

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