Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 60 · 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 4:00 p.m. in 24-hour time. (a) 16:00 (b) 18:00 (c) 04:00
2. 2.What is 07:20 in 12-hour time? (a) 7:20 p.m. (b) 9:20 a.m. (c) 7:20 a.m.
3. 3.What is 06:05 in 12-hour time? (a) 6:05 p.m. (b) 8:05 a.m. (c) 6:05 a.m.
4. 4.How many hours are there from 11:00 to 22:00?
5. 5.How many hours are there from 05:00 to 20:00?
6. 6.A film is 3 hours 20 minutes long. How many minutes is that?
7. 7.A train leaves at 15:55 and reaches at 17:55. How long is the journey (in minutes)?
8. 8.What is 13:25 in 12-hour time? (a) 1:25 p.m. (b) 1:25 a.m. (c) 3:25 p.m.
9. 9.A film is 3 hours 5 minutes long. How many minutes is that?
10. 10.How many hours are there from 08:00 to 18:00?
11. 11.A match starts at 16:35 and lasts 4 hours 20 minutes. At what time does it end? (a) 21:55 (b) 20:55 (c) 19:55
12. 12.How many hours are there from 10:00 to 16:00?
13. 13.A match starts at 08:25 and lasts 4 hours. At what time does it end? (a) 11:25 (b) 13:25 (c) 12:25
14. 14.What is 10:35 in 12-hour time? (a) 10:35 p.m. (b) 10:35 a.m. (c) 12:35 a.m.
15. 15.A match starts at 13:55 and lasts 3 hours 55 minutes. At what time does it end? (a) 18:50 (b) 17:50 (c) 16:50
16. 16.A train leaves at 08:45 and reaches at 10:45. How long is the journey (in minutes)?
17. 17.Write 11:55 p.m. in 24-hour time. (a) 23:55 (b) 11:55 (c) 01:55
18. 18.A film is 1 hour 25 minutes long. How many minutes is that?
19. 19.How many hours are there from 12:00 to 18:00?
20. 20.A train leaves at 07:20 and reaches at 08:55. How long is the journey (in minutes)?
21. 21.A match starts at 14:25 and lasts 1 hour 5 minutes. At what time does it end? (a) 14:30 (b) 16:30 (c) 15:30
22. 22.What is 15:35 in 12-hour time? (a) 5:35 p.m. (b) 3:35 a.m. (c) 3:35 p.m.
23. 23.What is 03:40 in 12-hour time? (a) 5:40 a.m. (b) 3:40 p.m. (c) 3:40 a.m.
24. 24.A train leaves at 07:10 and reaches at 10:05. How long is the journey (in minutes)?
25. 25.Write 6:45 a.m. in 24-hour time. (a) 08:45 (b) 06:45 (c) 18:45
26. 26.A film is 3 hours 40 minutes long. How many minutes is that?
27. 27.How many hours are there from 11:00 to 16:00?
28. 28.How many hours are there from 07:00 to 12:00?
29. 29.Write 9:10 a.m. in 24-hour time. (a) 11:10 (b) 09:10 (c) 21:10
30. 30.A train leaves at 07:10 and reaches at 08:20. How long is the journey (in minutes)?
31. 31.How many hours are there from 07:00 to 22:00?
32. 32.A film is 1 hour 20 minutes long. How many minutes is that?
33. 33.A match starts at 18:35 and lasts 2 hours 35 minutes. At what time does it end? (a) 20:10 (b) 22:10 (c) 21:10
34. 34.A match starts at 17:45 and lasts 3 hours. At what time does it end? (a) 21:45 (b) 20:45 (c) 19:45
35. 35.A train leaves at 07:30 and reaches at 09:30. How long is the journey (in minutes)?
36. 36.What is 11:45 in 12-hour time? (a) 1:45 a.m. (b) 11:45 a.m. (c) 11:45 p.m.
37. 37.A film is 4 hours 40 minutes long. How many minutes is that?
38. 38.Write 1:00 a.m. in 24-hour time. (a) 13:00 (b) 01:00 (c) 03:00
39. 39.A train leaves at 18:35 and reaches at 20:15. How long is the journey (in minutes)?
40. 40.Write 3:40 a.m. in 24-hour time. (a) 15:40 (b) 03:40 (c) 05:40

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