Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 90 · 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 18:55 in 12-hour time? (a) 6:55 a.m. (b) 8:55 p.m. (c) 6:55 p.m.
2. 2.What is 10:10 in 12-hour time? (a) 10:10 a.m. (b) 10:10 p.m. (c) 12:10 a.m.
3. 3.What is 20:05 in 12-hour time? (a) 8:05 a.m. (b) 10:05 p.m. (c) 8:05 p.m.
4. 4.What is 08:20 in 12-hour time? (a) 8:20 a.m. (b) 8:20 p.m. (c) 10:20 a.m.
5. 5.How many hours are there from 11:00 to 14:00?
6. 6.A film is 2 hours 15 minutes long. How many minutes is that?
7. 7.A match starts at 14:50 and lasts 1 hour 35 minutes. At what time does it end? (a) 16:25 (b) 17:25 (c) 15:25
8. 8.A match starts at 18:45 and lasts 3 hours. At what time does it end? (a) 22:45 (b) 20:45 (c) 21:45
9. 9.Write 3:10 a.m. in 24-hour time. (a) 15:10 (b) 05:10 (c) 03:10
10. 10.How many hours are there from 10:00 to 12:00?
11. 11.A match starts at 18:15 and lasts 1 hour 30 minutes. At what time does it end? (a) 19:45 (b) 20:45 (c) 18:45
12. 12.A match starts at 17:15 and lasts 3 hours. At what time does it end? (a) 19:15 (b) 21:15 (c) 20:15
13. 13.A match starts at 13:45 and lasts 2 hours 55 minutes. At what time does it end? (a) 17:40 (b) 15:40 (c) 16:40
14. 14.How many hours are there from 09:00 to 14:00?
15. 15.A match starts at 18:45 and lasts 2 hours 10 minutes. At what time does it end? (a) 19:55 (b) 20:55 (c) 21:55
16. 16.A match starts at 11:40 and lasts 4 hours 45 minutes. At what time does it end? (a) 16:25 (b) 17:25 (c) 15:25
17. 17.A film is 4 hours 25 minutes long. How many minutes is that?
18. 18.A film is 2 hours 45 minutes long. How many minutes is that?
19. 19.A film is 4 hours 40 minutes long. How many minutes is that?
20. 20.A train leaves at 18:25 and reaches at 20:10. How long is the journey (in minutes)?
21. 21.What is 22:15 in 12-hour time? (a) 12:15 p.m. (b) 10:15 p.m. (c) 10:15 a.m.
22. 22.A match starts at 13:35 and lasts 3 hours 50 minutes. At what time does it end? (a) 18:25 (b) 17:25 (c) 16:25
23. 23.A film is 1 hour 35 minutes long. How many minutes is that?
24. 24.How many hours are there from 05:00 to 17:00?
25. 25.Write 8:20 a.m. in 24-hour time. (a) 10:20 (b) 20:20 (c) 08:20
26. 26.A film is 4 hours 45 minutes long. How many minutes is that?
27. 27.A film is 3 hours 25 minutes long. How many minutes is that?
28. 28.A train leaves at 14:20 and reaches at 17:20. How long is the journey (in minutes)?
29. 29.What is 09:20 in 12-hour time? (a) 11:20 a.m. (b) 9:20 a.m. (c) 9:20 p.m.
30. 30.Write 4:15 a.m. in 24-hour time. (a) 06:15 (b) 04:15 (c) 16:15
31. 31.A match starts at 18:35 and lasts 4 hours 5 minutes. At what time does it end? (a) 23:40 (b) 21:40 (c) 22:40
32. 32.A match starts at 06:20 and lasts 4 hours 55 minutes. At what time does it end? (a) 11:15 (b) 10:15 (c) 12:15
33. 33.What is 03:25 in 12-hour time? (a) 3:25 a.m. (b) 5:25 a.m. (c) 3:25 p.m.
34. 34.A train leaves at 15:25 and reaches at 18:05. How long is the journey (in minutes)?
35. 35.A train leaves at 19:55 and reaches at 21:20. How long is the journey (in minutes)?
36. 36.What is 14:45 in 12-hour time? (a) 4:45 p.m. (b) 2:45 p.m. (c) 2:45 a.m.
37. 37.A train leaves at 09:45 and reaches at 12:10. How long is the journey (in minutes)?
38. 38.A train leaves at 07:40 and reaches at 10:00. How long is the journey (in minutes)?
39. 39.How many hours are there from 06:00 to 21:00?
40. 40.How many hours are there from 08:00 to 23:00?

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