Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 823 · 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 19:50 in 12-hour time? (a) 9:50 p.m. (b) 7:50 p.m. (c) 7:50 a.m.
2. 2.What is 17:20 in 12-hour time? (a) 7:20 p.m. (b) 5:20 p.m. (c) 5:20 a.m.
3. 3.What is 16:30 in 12-hour time? (a) 6:30 p.m. (b) 4:30 a.m. (c) 4:30 p.m.
4. 4.What is 09:05 in 12-hour time? (a) 11:05 a.m. (b) 9:05 a.m. (c) 9:05 p.m.
5. 5.What is 04:10 in 12-hour time? (a) 4:10 a.m. (b) 6:10 a.m. (c) 4:10 p.m.
6. 6.Write 8:20 a.m. in 24-hour time. (a) 08:20 (b) 10:20 (c) 20:20
7. 7.What is 19:25 in 12-hour time? (a) 7:25 p.m. (b) 7:25 a.m. (c) 9:25 p.m.
8. 8.A film is 1 hour 5 minutes long. How many minutes is that?
9. 9.Write 4:25 p.m. in 24-hour time. (a) 16:25 (b) 18:25 (c) 04:25
10. 10.A film is 2 hours 25 minutes long. How many minutes is that?
11. 11.What is 07:00 in 12-hour time? (a) 7:00 a.m. (b) 9:00 a.m. (c) 7:00 p.m.
12. 12.A match starts at 15:25 and lasts 4 hours 20 minutes. At what time does it end? (a) 18:45 (b) 19:45 (c) 20:45
13. 13.A film is 1 hour 20 minutes long. How many minutes is that?
14. 14.A train leaves at 14:25 and reaches at 16:05. How long is the journey (in minutes)?
15. 15.A film is 2 hours 30 minutes long. How many minutes is that?
16. 16.What is 06:30 in 12-hour time? (a) 6:30 p.m. (b) 6:30 a.m. (c) 8:30 a.m.
17. 17.A train leaves at 18:20 and reaches at 21:35. How long is the journey (in minutes)?
18. 18.How many hours are there from 10:00 to 23:00?
19. 19.A train leaves at 10:30 and reaches at 13:20. How long is the journey (in minutes)?
20. 20.A train leaves at 12:20 and reaches at 12:50. How long is the journey (in minutes)?
21. 21.What is 21:40 in 12-hour time? (a) 11:40 p.m. (b) 9:40 a.m. (c) 9:40 p.m.
22. 22.A match starts at 12:45 and lasts 2 hours 40 minutes. At what time does it end? (a) 14:25 (b) 16:25 (c) 15:25
23. 23.What is 17:10 in 12-hour time? (a) 7:10 p.m. (b) 5:10 a.m. (c) 5:10 p.m.
24. 24.A match starts at 14:10 and lasts 2 hours. At what time does it end? (a) 15:10 (b) 17:10 (c) 16:10
25. 25.What is 10:30 in 12-hour time? (a) 10:30 p.m. (b) 10:30 a.m. (c) 12:30 a.m.
26. 26.A film is 1 hour 35 minutes long. How many minutes is that?
27. 27.What is 16:20 in 12-hour time? (a) 4:20 a.m. (b) 6:20 p.m. (c) 4:20 p.m.
28. 28.A match starts at 10:10 and lasts 3 hours 5 minutes. At what time does it end? (a) 13:15 (b) 14:15 (c) 12:15
29. 29.A film is 2 hours 40 minutes long. How many minutes is that?
30. 30.A film is 1 hour 15 minutes long. How many minutes is that?
31. 31.How many hours are there from 08:00 to 17:00?
32. 32.A train leaves at 12:10 and reaches at 14:15. How long is the journey (in minutes)?
33. 33.A film is 4 hours 10 minutes long. How many minutes is that?
34. 34.A train leaves at 12:05 and reaches at 14:10. How long is the journey (in minutes)?
35. 35.A train leaves at 11:40 and reaches at 13:20. How long is the journey (in minutes)?
36. 36.A train leaves at 19:20 and reaches at 22:20. How long is the journey (in minutes)?
37. 37.A match starts at 08:40 and lasts 4 hours 50 minutes. At what time does it end? (a) 12:30 (b) 14:30 (c) 13:30
38. 38.A match starts at 15:20 and lasts 1 hour 20 minutes. At what time does it end? (a) 17:40 (b) 16:40 (c) 15:40
39. 39.A match starts at 14:00 and lasts 1 hour 50 minutes. At what time does it end? (a) 16:50 (b) 15:50 (c) 14:50
40. 40.What is 14:40 in 12-hour time? (a) 2:40 a.m. (b) 4:40 p.m. (c) 2:40 p.m.

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