Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 395 · 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 6:20 a.m. in 24-hour time. (a) 08:20 (b) 18:20 (c) 06:20
2. 2.A match starts at 12:15 and lasts 3 hours 30 minutes. At what time does it end? (a) 15:45 (b) 14:45 (c) 16:45
3. 3.A film is 2 hours 35 minutes long. How many minutes is that?
4. 4.What is 13:05 in 12-hour time? (a) 3:05 p.m. (b) 1:05 a.m. (c) 1:05 p.m.
5. 5.A film is 1 hour 50 minutes long. How many minutes is that?
6. 6.What is 19:20 in 12-hour time? (a) 7:20 a.m. (b) 7:20 p.m. (c) 9:20 p.m.
7. 7.A train leaves at 13:30 and reaches at 15:15. How long is the journey (in minutes)?
8. 8.What is 02:00 in 12-hour time? (a) 2:00 a.m. (b) 2:00 p.m. (c) 4:00 a.m.
9. 9.A train leaves at 09:20 and reaches at 10:10. How long is the journey (in minutes)?
10. 10.A train leaves at 18:25 and reaches at 21:40. How long is the journey (in minutes)?
11. 11.Write 5:40 p.m. in 24-hour time. (a) 05:40 (b) 17:40 (c) 19:40
12. 12.What is 05:30 in 12-hour time? (a) 5:30 p.m. (b) 7:30 a.m. (c) 5:30 a.m.
13. 13.How many hours are there from 06:00 to 12:00?
14. 14.Write 10:40 p.m. in 24-hour time. (a) 10:40 (b) 22:40 (c) 00:40
15. 15.Write 6:35 a.m. in 24-hour time. (a) 18:35 (b) 08:35 (c) 06:35
16. 16.Write 5:55 a.m. in 24-hour time. (a) 17:55 (b) 05:55 (c) 07:55
17. 17.How many hours are there from 11:00 to 14:00?
18. 18.A train leaves at 06:30 and reaches at 07:30. How long is the journey (in minutes)?
19. 19.A film is 3 hours 35 minutes long. How many minutes is that?
20. 20.A film is 1 hour 10 minutes long. How many minutes is that?
21. 21.Write 1:55 p.m. in 24-hour time. (a) 01:55 (b) 13:55 (c) 15:55
22. 22.A film is 1 hour 45 minutes long. How many minutes is that?
23. 23.What is 13:25 in 12-hour time? (a) 3:25 p.m. (b) 1:25 a.m. (c) 1:25 p.m.
24. 24.A film is 4 hours 50 minutes long. How many minutes is that?
25. 25.Write 1:25 p.m. in 24-hour time. (a) 01:25 (b) 13:25 (c) 15:25
26. 26.A match starts at 17:55 and lasts 2 hours 30 minutes. At what time does it end? (a) 21:25 (b) 19:25 (c) 20:25
27. 27.A match starts at 07:25 and lasts 2 hours. At what time does it end? (a) 10:25 (b) 08:25 (c) 09:25
28. 28.A film is 4 hours 10 minutes long. How many minutes is that?
29. 29.A match starts at 16:20 and lasts 4 hours 45 minutes. At what time does it end? (a) 21:05 (b) 20:05 (c) 22:05
30. 30.A train leaves at 16:40 and reaches at 18:00. How long is the journey (in minutes)?
31. 31.A film is 1 hour 40 minutes long. How many minutes is that?
32. 32.A match starts at 11:25 and lasts 2 hours 5 minutes. At what time does it end? (a) 14:30 (b) 12:30 (c) 13:30
33. 33.A film is 3 hours 30 minutes long. How many minutes is that?
34. 34.A train leaves at 15:25 and reaches at 17:30. How long is the journey (in minutes)?
35. 35.A train leaves at 16:20 and reaches at 17:55. How long is the journey (in minutes)?
36. 36.A train leaves at 18:00 and reaches at 19:45. How long is the journey (in minutes)?
37. 37.A match starts at 17:05 and lasts 1 hour 50 minutes. At what time does it end? (a) 19:55 (b) 18:55 (c) 17:55
38. 38.A film is 1 hour 15 minutes long. How many minutes is that?
39. 39.What is 04:35 in 12-hour time? (a) 4:35 a.m. (b) 6:35 a.m. (c) 4:35 p.m.
40. 40.Write 5:30 a.m. in 24-hour time. (a) 07:30 (b) 17:30 (c) 05:30

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