Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 487 · 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 match starts at 14:25 and lasts 1 hour. At what time does it end? (a) 14:25 (b) 15:25 (c) 16:25
2. 2.Write 1:10 a.m. in 24-hour time. (a) 13:10 (b) 03:10 (c) 01:10
3. 3.What is 01:00 in 12-hour time? (a) 1:00 a.m. (b) 1:00 p.m. (c) 3:00 a.m.
4. 4.What is 09:25 in 12-hour time? (a) 9:25 a.m. (b) 11:25 a.m. (c) 9:25 p.m.
5. 5.Write 11:20 p.m. in 24-hour time. (a) 11:20 (b) 23:20 (c) 01:20
6. 6.A film is 3 hours 10 minutes long. How many minutes is that?
7. 7.A film is 4 hours 5 minutes long. How many minutes is that?
8. 8.A train leaves at 10:00 and reaches at 13:20. How long is the journey (in minutes)?
9. 9.A train leaves at 09:30 and reaches at 12:10. How long is the journey (in minutes)?
10. 10.A train leaves at 08:15 and reaches at 10:00. How long is the journey (in minutes)?
11. 11.A match starts at 10:20 and lasts 4 hours 15 minutes. At what time does it end? (a) 14:35 (b) 15:35 (c) 13:35
12. 12.Write 7:30 a.m. in 24-hour time. (a) 07:30 (b) 09:30 (c) 19:30
13. 13.What is 23:50 in 12-hour time? (a) 1:50 p.m. (b) 11:50 p.m. (c) 11:50 a.m.
14. 14.What is 20:45 in 12-hour time? (a) 8:45 p.m. (b) 8:45 a.m. (c) 10:45 p.m.
15. 15.A film is 4 hours 55 minutes long. How many minutes is that?
16. 16.A film is 4 hours 20 minutes long. How many minutes is that?
17. 17.Write 8:05 a.m. in 24-hour time. (a) 10:05 (b) 08:05 (c) 20:05
18. 18.A match starts at 06:55 and lasts 4 hours. At what time does it end? (a) 09:55 (b) 10:55 (c) 11:55
19. 19.What is 22:15 in 12-hour time? (a) 12:15 p.m. (b) 10:15 a.m. (c) 10:15 p.m.
20. 20.What is 05:10 in 12-hour time? (a) 7:10 a.m. (b) 5:10 p.m. (c) 5:10 a.m.
21. 21.A film is 3 hours 25 minutes long. How many minutes is that?
22. 22.A match starts at 06:15 and lasts 3 hours 25 minutes. At what time does it end? (a) 08:40 (b) 09:40 (c) 10:40
23. 23.How many hours are there from 08:00 to 18:00?
24. 24.A film is 3 hours 45 minutes long. How many minutes is that?
25. 25.A film is 4 hours 35 minutes long. How many minutes is that?
26. 26.A match starts at 07:55 and lasts 2 hours 10 minutes. At what time does it end? (a) 09:05 (b) 10:05 (c) 11:05
27. 27.Write 9:35 a.m. in 24-hour time. (a) 21:35 (b) 11:35 (c) 09:35
28. 28.A match starts at 15:30 and lasts 4 hours 10 minutes. At what time does it end? (a) 19:40 (b) 18:40 (c) 20:40
29. 29.A match starts at 13:20 and lasts 3 hours 55 minutes. At what time does it end? (a) 18:15 (b) 16:15 (c) 17:15
30. 30.A match starts at 07:15 and lasts 3 hours 15 minutes. At what time does it end? (a) 10:30 (b) 09:30 (c) 11:30
31. 31.A train leaves at 08:30 and reaches at 10:45. How long is the journey (in minutes)?
32. 32.How many hours are there from 12:00 to 16:00?
33. 33.How many hours are there from 12:00 to 17:00?
34. 34.How many hours are there from 05:00 to 17:00?
35. 35.What is 03:05 in 12-hour time? (a) 3:05 a.m. (b) 5:05 a.m. (c) 3:05 p.m.
36. 36.What is 16:15 in 12-hour time? (a) 6:15 p.m. (b) 4:15 a.m. (c) 4:15 p.m.
37. 37.A match starts at 07:45 and lasts 3 hours 40 minutes. At what time does it end? (a) 11:25 (b) 10:25 (c) 12:25
38. 38.A film is 4 hours 45 minutes long. How many minutes is that?
39. 39.What is 07:45 in 12-hour time? (a) 7:45 p.m. (b) 7:45 a.m. (c) 9:45 a.m.
40. 40.A film is 4 hours 10 minutes long. How many minutes is that?

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