Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 921 · 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 train leaves at 07:15 and reaches at 10:15. How long is the journey (in minutes)?
2. 2.How many hours are there from 08:00 to 23:00?
3. 3.A film is 2 hours 20 minutes long. How many minutes is that?
4. 4.How many hours are there from 11:00 to 21:00?
5. 5.A film is 1 hour 25 minutes long. How many minutes is that?
6. 6.What is 19:15 in 12-hour time? (a) 7:15 a.m. (b) 9:15 p.m. (c) 7:15 p.m.
7. 7.What is 05:15 in 12-hour time? (a) 7:15 a.m. (b) 5:15 a.m. (c) 5:15 p.m.
8. 8.How many hours are there from 06:00 to 19:00?
9. 9.A film is 1 hour 10 minutes long. How many minutes is that?
10. 10.Write 11:10 a.m. in 24-hour time. (a) 13:10 (b) 11:10 (c) 23:10
11. 11.How many hours are there from 07:00 to 15:00?
12. 12.A match starts at 10:30 and lasts 3 hours 5 minutes. At what time does it end? (a) 13:35 (b) 12:35 (c) 14:35
13. 13.A film is 4 hours 35 minutes long. How many minutes is that?
14. 14.What is 03:20 in 12-hour time? (a) 3:20 a.m. (b) 3:20 p.m. (c) 5:20 a.m.
15. 15.A film is 4 hours 15 minutes long. How many minutes is that?
16. 16.A train leaves at 16:20 and reaches at 17:00. How long is the journey (in minutes)?
17. 17.What is 20:15 in 12-hour time? (a) 10:15 p.m. (b) 8:15 p.m. (c) 8:15 a.m.
18. 18.A train leaves at 07:30 and reaches at 09:15. How long is the journey (in minutes)?
19. 19.What is 06:45 in 12-hour time? (a) 8:45 a.m. (b) 6:45 a.m. (c) 6:45 p.m.
20. 20.A match starts at 17:25 and lasts 1 hour. At what time does it end? (a) 17:25 (b) 18:25 (c) 19:25
21. 21.Write 3:40 p.m. in 24-hour time. (a) 15:40 (b) 17:40 (c) 03:40
22. 22.A train leaves at 19:35 and reaches at 22:25. How long is the journey (in minutes)?
23. 23.A train leaves at 17:05 and reaches at 19:55. How long is the journey (in minutes)?
24. 24.Write 5:35 a.m. in 24-hour time. (a) 05:35 (b) 07:35 (c) 17:35
25. 25.A match starts at 14:50 and lasts 3 hours 30 minutes. At what time does it end? (a) 17:20 (b) 19:20 (c) 18:20
26. 26.What is 04:55 in 12-hour time? (a) 4:55 a.m. (b) 6:55 a.m. (c) 4:55 p.m.
27. 27.How many hours are there from 06:00 to 10:00?
28. 28.How many hours are there from 05:00 to 12:00?
29. 29.Write 3:15 p.m. in 24-hour time. (a) 17:15 (b) 03:15 (c) 15:15
30. 30.A match starts at 13:15 and lasts 3 hours 30 minutes. At what time does it end? (a) 17:45 (b) 16:45 (c) 15:45
31. 31.A film is 1 hour 35 minutes long. How many minutes is that?
32. 32.A train leaves at 19:20 and reaches at 20:35. How long is the journey (in minutes)?
33. 33.Write 4:10 p.m. in 24-hour time. (a) 18:10 (b) 04:10 (c) 16:10
34. 34.What is 14:10 in 12-hour time? (a) 2:10 p.m. (b) 2:10 a.m. (c) 4:10 p.m.
35. 35.A film is 4 hours 45 minutes long. How many minutes is that?
36. 36.A train leaves at 10:20 and reaches at 12:40. How long is the journey (in minutes)?
37. 37.Write 3:05 p.m. in 24-hour time. (a) 03:05 (b) 17:05 (c) 15:05
38. 38.A match starts at 14:40 and lasts 1 hour 5 minutes. At what time does it end? (a) 14:45 (b) 15:45 (c) 16:45
39. 39.A film is 2 hours 45 minutes long. How many minutes is that?
40. 40.How many hours are there from 10:00 to 18:00?

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