Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 832 · 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.Write 11:10 a.m. in 24-hour time. (a) 13:10 (b) 11:10 (c) 23:10
2. 2.A film is 2 hours 40 minutes long. How many minutes is that?
3. 3.Write 3:05 p.m. in 24-hour time. (a) 17:05 (b) 15:05 (c) 03:05
4. 4.Write 9:00 a.m. in 24-hour time. (a) 21:00 (b) 11:00 (c) 09:00
5. 5.How many hours are there from 05:00 to 20:00?
6. 6.A train leaves at 19:15 and reaches at 20:40. How long is the journey (in minutes)?
7. 7.What is 05:35 in 12-hour time? (a) 5:35 p.m. (b) 7:35 a.m. (c) 5:35 a.m.
8. 8.A match starts at 14:15 and lasts 4 hours 10 minutes. At what time does it end? (a) 19:25 (b) 17:25 (c) 18:25
9. 9.How many hours are there from 11:00 to 18:00?
10. 10.A match starts at 07:15 and lasts 2 hours 25 minutes. At what time does it end? (a) 09:40 (b) 10:40 (c) 08:40
11. 11.What is 21:10 in 12-hour time? (a) 11:10 p.m. (b) 9:10 a.m. (c) 9:10 p.m.
12. 12.A train leaves at 17:00 and reaches at 18:50. How long is the journey (in minutes)?
13. 13.A film is 1 hour 10 minutes long. How many minutes is that?
14. 14.A film is 2 hours 15 minutes long. How many minutes is that?
15. 15.How many hours are there from 09:00 to 14:00?
16. 16.A film is 1 hour 35 minutes long. How many minutes is that?
17. 17.Write 2:50 a.m. in 24-hour time. (a) 14:50 (b) 04:50 (c) 02:50
18. 18.Write 10:25 p.m. in 24-hour time. (a) 10:25 (b) 22:25 (c) 00:25
19. 19.How many hours are there from 11:00 to 23:00?
20. 20.Write 8:00 a.m. in 24-hour time. (a) 08:00 (b) 10:00 (c) 20:00
21. 21.What is 04:00 in 12-hour time? (a) 4:00 p.m. (b) 4:00 a.m. (c) 6:00 a.m.
22. 22.A film is 2 hours 55 minutes long. How many minutes is that?
23. 23.A match starts at 13:05 and lasts 2 hours 20 minutes. At what time does it end? (a) 14:25 (b) 16:25 (c) 15:25
24. 24.Write 7:00 a.m. in 24-hour time. (a) 19:00 (b) 09:00 (c) 07:00
25. 25.A film is 3 hours 45 minutes long. How many minutes is that?
26. 26.A train leaves at 14:35 and reaches at 15:55. How long is the journey (in minutes)?
27. 27.What is 14:30 in 12-hour time? (a) 4:30 p.m. (b) 2:30 p.m. (c) 2:30 a.m.
28. 28.A train leaves at 13:05 and reaches at 15:10. How long is the journey (in minutes)?
29. 29.What is 14:25 in 12-hour time? (a) 2:25 p.m. (b) 2:25 a.m. (c) 4:25 p.m.
30. 30.A train leaves at 19:35 and reaches at 22:30. How long is the journey (in minutes)?
31. 31.A film is 1 hour 30 minutes long. How many minutes is that?
32. 32.What is 17:20 in 12-hour time? (a) 7:20 p.m. (b) 5:20 a.m. (c) 5:20 p.m.
33. 33.A film is 2 hours 35 minutes long. How many minutes is that?
34. 34.What is 09:45 in 12-hour time? (a) 9:45 a.m. (b) 9:45 p.m. (c) 11:45 a.m.
35. 35.A train leaves at 08:25 and reaches at 10:50. How long is the journey (in minutes)?
36. 36.How many hours are there from 07:00 to 14:00?
37. 37.A match starts at 07:15 and lasts 4 hours. At what time does it end? (a) 11:15 (b) 10:15 (c) 12:15
38. 38.How many hours are there from 07:00 to 19:00?
39. 39.What is 16:50 in 12-hour time? (a) 4:50 a.m. (b) 6:50 p.m. (c) 4:50 p.m.
40. 40.Write 2:10 p.m. in 24-hour time. (a) 14:10 (b) 02:10 (c) 16:10

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