Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 431 · 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.What is 15:55 in 12-hour time? (a) 5:55 p.m. (b) 3:55 a.m. (c) 3:55 p.m.
2. 2.A film is 1 hour 5 minutes long. How many minutes is that?
3. 3.A film is 1 hour 25 minutes long. How many minutes is that?
4. 4.A train leaves at 18:05 and reaches at 18:35. How long is the journey (in minutes)?
5. 5.A film is 1 hour 55 minutes long. How many minutes is that?
6. 6.What is 08:25 in 12-hour time? (a) 10:25 a.m. (b) 8:25 a.m. (c) 8:25 p.m.
7. 7.A train leaves at 12:35 and reaches at 13:05. How long is the journey (in minutes)?
8. 8.A film is 4 hours 45 minutes long. How many minutes is that?
9. 9.How many hours are there from 09:00 to 14:00?
10. 10.A train leaves at 16:10 and reaches at 18:00. How long is the journey (in minutes)?
11. 11.Write 8:20 p.m. in 24-hour time. (a) 22:20 (b) 20:20 (c) 08:20
12. 12.Write 5:00 a.m. in 24-hour time. (a) 17:00 (b) 07:00 (c) 05:00
13. 13.A train leaves at 18:55 and reaches at 20:55. How long is the journey (in minutes)?
14. 14.A film is 1 hour 35 minutes long. How many minutes is that?
15. 15.Write 2:05 a.m. in 24-hour time. (a) 04:05 (b) 14:05 (c) 02:05
16. 16.A train leaves at 08:20 and reaches at 09:25. How long is the journey (in minutes)?
17. 17.A match starts at 07:15 and lasts 1 hour 15 minutes. At what time does it end? (a) 09:30 (b) 07:30 (c) 08:30
18. 18.A film is 3 hours 10 minutes long. How many minutes is that?
19. 19.Write 4:05 p.m. in 24-hour time. (a) 16:05 (b) 18:05 (c) 04:05
20. 20.A match starts at 14:10 and lasts 1 hour 10 minutes. At what time does it end? (a) 14:20 (b) 16:20 (c) 15:20
21. 21.What is 11:30 in 12-hour time? (a) 1:30 a.m. (b) 11:30 p.m. (c) 11:30 a.m.
22. 22.A train leaves at 11:00 and reaches at 13:50. How long is the journey (in minutes)?
23. 23.What is 04:55 in 12-hour time? (a) 4:55 p.m. (b) 4:55 a.m. (c) 6:55 a.m.
24. 24.Write 7:00 p.m. in 24-hour time. (a) 07:00 (b) 21:00 (c) 19:00
25. 25.What is 06:50 in 12-hour time? (a) 6:50 p.m. (b) 6:50 a.m. (c) 8:50 a.m.
26. 26.How many hours are there from 08:00 to 11:00?
27. 27.Write 8:15 p.m. in 24-hour time. (a) 22:15 (b) 08:15 (c) 20:15
28. 28.How many hours are there from 09:00 to 16:00?
29. 29.How many hours are there from 05:00 to 14:00?
30. 30.A train leaves at 12:20 and reaches at 15:15. How long is the journey (in minutes)?
31. 31.A match starts at 08:50 and lasts 4 hours 20 minutes. At what time does it end? (a) 12:10 (b) 14:10 (c) 13:10
32. 32.A film is 3 hours 50 minutes long. How many minutes is that?
33. 33.Write 1:45 p.m. in 24-hour time. (a) 01:45 (b) 13:45 (c) 15:45
34. 34.A film is 1 hour 30 minutes long. How many minutes is that?
35. 35.How many hours are there from 12:00 to 16:00?
36. 36.Write 2:15 a.m. in 24-hour time. (a) 02:15 (b) 04:15 (c) 14:15
37. 37.Write 10:20 a.m. in 24-hour time. (a) 10:20 (b) 22:20 (c) 12:20
38. 38.A train leaves at 17:20 and reaches at 18:40. How long is the journey (in minutes)?
39. 39.A match starts at 06:30 and lasts 2 hours 20 minutes. At what time does it end? (a) 07:50 (b) 08:50 (c) 09:50
40. 40.What is 15:00 in 12-hour time? (a) 3:00 a.m. (b) 3:00 p.m. (c) 5:00 p.m.

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