Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 706 · 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 7:40 p.m. in 24-hour time. (a) 19:40 (b) 21:40 (c) 07:40
2. 2.A film is 4 hours 15 minutes long. How many minutes is that?
3. 3.How many hours are there from 05:00 to 12:00?
4. 4.What is 21:25 in 12-hour time? (a) 9:25 p.m. (b) 9:25 a.m. (c) 11:25 p.m.
5. 5.Write 3:15 p.m. in 24-hour time. (a) 15:15 (b) 17:15 (c) 03:15
6. 6.A train leaves at 17:10 and reaches at 18:15. How long is the journey (in minutes)?
7. 7.A match starts at 07:35 and lasts 1 hour 55 minutes. At what time does it end? (a) 09:30 (b) 10:30 (c) 08:30
8. 8.What is 04:35 in 12-hour time? (a) 6:35 a.m. (b) 4:35 p.m. (c) 4:35 a.m.
9. 9.Write 2:00 p.m. in 24-hour time. (a) 02:00 (b) 16:00 (c) 14:00
10. 10.What is 10:05 in 12-hour time? (a) 12:05 a.m. (b) 10:05 a.m. (c) 10:05 p.m.
11. 11.A train leaves at 10:35 and reaches at 11:45. How long is the journey (in minutes)?
12. 12.How many hours are there from 06:00 to 10:00?
13. 13.A match starts at 08:20 and lasts 2 hours 55 minutes. At what time does it end? (a) 11:15 (b) 12:15 (c) 10:15
14. 14.A film is 3 hours 10 minutes long. How many minutes is that?
15. 15.What is 21:50 in 12-hour time? (a) 9:50 a.m. (b) 11:50 p.m. (c) 9:50 p.m.
16. 16.A film is 4 hours 25 minutes long. How many minutes is that?
17. 17.Write 2:20 a.m. in 24-hour time. (a) 04:20 (b) 14:20 (c) 02:20
18. 18.A film is 2 hours 50 minutes long. How many minutes is that?
19. 19.How many hours are there from 08:00 to 17:00?
20. 20.A train leaves at 07:10 and reaches at 08:35. How long is the journey (in minutes)?
21. 21.Write 6:05 p.m. in 24-hour time. (a) 18:05 (b) 20:05 (c) 06:05
22. 22.A train leaves at 13:20 and reaches at 14:55. How long is the journey (in minutes)?
23. 23.How many hours are there from 08:00 to 16:00?
24. 24.A film is 2 hours 45 minutes long. How many minutes is that?
25. 25.A film is 3 hours 15 minutes long. How many minutes is that?
26. 26.A train leaves at 15:20 and reaches at 17:20. How long is the journey (in minutes)?
27. 27.What is 10:40 in 12-hour time? (a) 12:40 a.m. (b) 10:40 a.m. (c) 10:40 p.m.
28. 28.A match starts at 13:15 and lasts 1 hour 55 minutes. At what time does it end? (a) 14:10 (b) 15:10 (c) 16:10
29. 29.What is 23:35 in 12-hour time? (a) 11:35 a.m. (b) 1:35 p.m. (c) 11:35 p.m.
30. 30.A train leaves at 18:20 and reaches at 19:25. How long is the journey (in minutes)?
31. 31.How many hours are there from 11:00 to 13:00?
32. 32.A film is 1 hour 10 minutes long. How many minutes is that?
33. 33.A film is 1 hour 15 minutes long. How many minutes is that?
34. 34.How many hours are there from 06:00 to 21:00?
35. 35.Write 8:45 a.m. in 24-hour time. (a) 20:45 (b) 10:45 (c) 08:45
36. 36.What is 18:35 in 12-hour time? (a) 6:35 a.m. (b) 6:35 p.m. (c) 8:35 p.m.
37. 37.What is 21:00 in 12-hour time? (a) 9:00 a.m. (b) 9:00 p.m. (c) 11:00 p.m.
38. 38.Write 3:40 a.m. in 24-hour time. (a) 03:40 (b) 05:40 (c) 15:40
39. 39.A match starts at 14:15 and lasts 2 hours 20 minutes. At what time does it end? (a) 17:35 (b) 15:35 (c) 16:35
40. 40.A match starts at 15:45 and lasts 2 hours 50 minutes. At what time does it end? (a) 18:35 (b) 19:35 (c) 17:35

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