Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 107 · 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 2 hours 15 minutes long. How many minutes is that?
2. 2.How many hours are there from 05:00 to 19:00?
3. 3.A match starts at 12:50 and lasts 4 hours 50 minutes. At what time does it end? (a) 18:40 (b) 17:40 (c) 16:40
4. 4.A train leaves at 14:35 and reaches at 15:45. How long is the journey (in minutes)?
5. 5.A match starts at 08:35 and lasts 4 hours 35 minutes. At what time does it end? (a) 13:10 (b) 12:10 (c) 14:10
6. 6.Write 4:50 a.m. in 24-hour time. (a) 06:50 (b) 16:50 (c) 04:50
7. 7.A match starts at 17:30 and lasts 1 hour 10 minutes. At what time does it end? (a) 17:40 (b) 19:40 (c) 18:40
8. 8.A film is 3 hours 20 minutes long. How many minutes is that?
9. 9.A film is 3 hours 5 minutes long. How many minutes is that?
10. 10.A train leaves at 11:20 and reaches at 11:55. How long is the journey (in minutes)?
11. 11.A train leaves at 16:45 and reaches at 19:30. How long is the journey (in minutes)?
12. 12.A train leaves at 08:00 and reaches at 10:15. How long is the journey (in minutes)?
13. 13.Write 2:00 p.m. in 24-hour time. (a) 16:00 (b) 14:00 (c) 02:00
14. 14.Write 3:00 a.m. in 24-hour time. (a) 03:00 (b) 15:00 (c) 05:00
15. 15.A train leaves at 07:30 and reaches at 09:15. How long is the journey (in minutes)?
16. 16.A train leaves at 09:00 and reaches at 11:05. How long is the journey (in minutes)?
17. 17.What is 22:40 in 12-hour time? (a) 10:40 a.m. (b) 10:40 p.m. (c) 12:40 p.m.
18. 18.A match starts at 07:00 and lasts 2 hours 20 minutes. At what time does it end? (a) 09:20 (b) 10:20 (c) 08:20
19. 19.Write 2:05 a.m. in 24-hour time. (a) 04:05 (b) 14:05 (c) 02:05
20. 20.Write 3:20 p.m. in 24-hour time. (a) 17:20 (b) 15:20 (c) 03:20
21. 21.How many hours are there from 07:00 to 15:00?
22. 22.A train leaves at 12:05 and reaches at 12:35. How long is the journey (in minutes)?
23. 23.A film is 1 hour 10 minutes long. How many minutes is that?
24. 24.How many hours are there from 10:00 to 21:00?
25. 25.A train leaves at 17:45 and reaches at 18:55. How long is the journey (in minutes)?
26. 26.How many hours are there from 11:00 to 17:00?
27. 27.What is 04:50 in 12-hour time? (a) 6:50 a.m. (b) 4:50 a.m. (c) 4:50 p.m.
28. 28.A train leaves at 11:40 and reaches at 14:25. How long is the journey (in minutes)?
29. 29.A train leaves at 14:10 and reaches at 15:50. How long is the journey (in minutes)?
30. 30.A film is 1 hour 40 minutes long. How many minutes is that?
31. 31.How many hours are there from 09:00 to 17:00?
32. 32.What is 01:00 in 12-hour time? (a) 1:00 p.m. (b) 1:00 a.m. (c) 3:00 a.m.
33. 33.What is 05:20 in 12-hour time? (a) 5:20 p.m. (b) 7:20 a.m. (c) 5:20 a.m.
34. 34.What is 07:20 in 12-hour time? (a) 7:20 p.m. (b) 7:20 a.m. (c) 9:20 a.m.
35. 35.How many hours are there from 09:00 to 13:00?
36. 36.How many hours are there from 10:00 to 15:00?
37. 37.A film is 1 hour 25 minutes long. How many minutes is that?
38. 38.Write 9:50 a.m. in 24-hour time. (a) 21:50 (b) 11:50 (c) 09:50
39. 39.Write 5:20 a.m. in 24-hour time. (a) 17:20 (b) 05:20 (c) 07:20
40. 40.How many hours are there from 07:00 to 19:00?

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