Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 482 · 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 film is 4 hours 20 minutes long. How many minutes is that?
2. 2.A match starts at 17:15 and lasts 2 hours 15 minutes. At what time does it end? (a) 19:30 (b) 20:30 (c) 18:30
3. 3.A film is 4 hours 50 minutes long. How many minutes is that?
4. 4.Write 10:25 p.m. in 24-hour time. (a) 22:25 (b) 00:25 (c) 10:25
5. 5.A match starts at 16:05 and lasts 1 hour 10 minutes. At what time does it end? (a) 16:15 (b) 18:15 (c) 17:15
6. 6.A train leaves at 16:05 and reaches at 19:05. How long is the journey (in minutes)?
7. 7.What is 20:30 in 12-hour time? (a) 8:30 p.m. (b) 8:30 a.m. (c) 10:30 p.m.
8. 8.A train leaves at 19:05 and reaches at 19:55. How long is the journey (in minutes)?
9. 9.A train leaves at 11:45 and reaches at 13:30. How long is the journey (in minutes)?
10. 10.What is 15:10 in 12-hour time? (a) 5:10 p.m. (b) 3:10 p.m. (c) 3:10 a.m.
11. 11.Write 4:20 p.m. in 24-hour time. (a) 16:20 (b) 04:20 (c) 18:20
12. 12.How many hours are there from 06:00 to 11:00?
13. 13.What is 17:45 in 12-hour time? (a) 5:45 p.m. (b) 7:45 p.m. (c) 5:45 a.m.
14. 14.A train leaves at 19:35 and reaches at 20:40. How long is the journey (in minutes)?
15. 15.What is 23:40 in 12-hour time? (a) 1:40 p.m. (b) 11:40 a.m. (c) 11:40 p.m.
16. 16.Write 8:05 p.m. in 24-hour time. (a) 08:05 (b) 22:05 (c) 20:05
17. 17.How many hours are there from 05:00 to 22:00?
18. 18.A match starts at 08:05 and lasts 1 hour 35 minutes. At what time does it end? (a) 09:40 (b) 08:40 (c) 10:40
19. 19.A match starts at 12:30 and lasts 2 hours 40 minutes. At what time does it end? (a) 14:10 (b) 16:10 (c) 15:10
20. 20.What is 10:25 in 12-hour time? (a) 10:25 p.m. (b) 12:25 a.m. (c) 10:25 a.m.
21. 21.Write 6:35 p.m. in 24-hour time. (a) 06:35 (b) 20:35 (c) 18:35
22. 22.How many hours are there from 11:00 to 14:00?
23. 23.What is 01:45 in 12-hour time? (a) 1:45 p.m. (b) 1:45 a.m. (c) 3:45 a.m.
24. 24.A match starts at 11:40 and lasts 4 hours 30 minutes. At what time does it end? (a) 15:10 (b) 17:10 (c) 16:10
25. 25.A train leaves at 19:50 and reaches at 20:45. How long is the journey (in minutes)?
26. 26.A match starts at 06:15 and lasts 4 hours. At what time does it end? (a) 11:15 (b) 10:15 (c) 09:15
27. 27.A film is 3 hours 30 minutes long. How many minutes is that?
28. 28.A film is 2 hours 30 minutes long. How many minutes is that?
29. 29.How many hours are there from 06:00 to 20:00?
30. 30.A train leaves at 08:55 and reaches at 12:05. How long is the journey (in minutes)?
31. 31.A film is 2 hours 40 minutes long. How many minutes is that?
32. 32.A film is 1 hour 10 minutes long. How many minutes is that?
33. 33.What is 15:35 in 12-hour time? (a) 3:35 p.m. (b) 5:35 p.m. (c) 3:35 a.m.
34. 34.A film is 1 hour 20 minutes long. How many minutes is that?
35. 35.What is 20:15 in 12-hour time? (a) 8:15 p.m. (b) 8:15 a.m. (c) 10:15 p.m.
36. 36.A match starts at 11:55 and lasts 2 hours. At what time does it end? (a) 14:55 (b) 13:55 (c) 12:55
37. 37.Write 9:05 p.m. in 24-hour time. (a) 21:05 (b) 23:05 (c) 09:05
38. 38.What is 06:35 in 12-hour time? (a) 6:35 p.m. (b) 6:35 a.m. (c) 8:35 a.m.
39. 39.A film is 1 hour 30 minutes long. How many minutes is that?
40. 40.Write 10:30 a.m. in 24-hour time. (a) 22:30 (b) 12:30 (c) 10:30

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