Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 829 · 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 17:35 in 12-hour time? (a) 5:35 p.m. (b) 7:35 p.m. (c) 5:35 a.m.
2. 2.A film is 2 hours 25 minutes long. How many minutes is that?
3. 3.A train leaves at 07:20 and reaches at 09:35. How long is the journey (in minutes)?
4. 4.What is 22:05 in 12-hour time? (a) 12:05 p.m. (b) 10:05 p.m. (c) 10:05 a.m.
5. 5.A film is 1 hour 50 minutes long. How many minutes is that?
6. 6.A film is 1 hour 35 minutes long. How many minutes is that?
7. 7.Write 3:25 a.m. in 24-hour time. (a) 03:25 (b) 05:25 (c) 15:25
8. 8.A match starts at 16:35 and lasts 3 hours 45 minutes. At what time does it end? (a) 20:20 (b) 19:20 (c) 21:20
9. 9.A film is 3 hours 40 minutes long. How many minutes is that?
10. 10.A match starts at 13:40 and lasts 2 hours. At what time does it end? (a) 14:40 (b) 16:40 (c) 15:40
11. 11.What is 17:25 in 12-hour time? (a) 7:25 p.m. (b) 5:25 p.m. (c) 5:25 a.m.
12. 12.Write 8:10 a.m. in 24-hour time. (a) 20:10 (b) 10:10 (c) 08:10
13. 13.A train leaves at 09:05 and reaches at 10:50. How long is the journey (in minutes)?
14. 14.A film is 1 hour 20 minutes long. How many minutes is that?
15. 15.A match starts at 07:00 and lasts 1 hour 5 minutes. At what time does it end? (a) 09:05 (b) 07:05 (c) 08:05
16. 16.Write 11:05 p.m. in 24-hour time. (a) 01:05 (b) 23:05 (c) 11:05
17. 17.A film is 1 hour 5 minutes long. How many minutes is that?
18. 18.A film is 2 hours 30 minutes long. How many minutes is that?
19. 19.How many hours are there from 07:00 to 20:00?
20. 20.What is 09:45 in 12-hour time? (a) 9:45 a.m. (b) 9:45 p.m. (c) 11:45 a.m.
21. 21.A train leaves at 17:05 and reaches at 19:00. How long is the journey (in minutes)?
22. 22.A match starts at 10:05 and lasts 4 hours 15 minutes. At what time does it end? (a) 13:20 (b) 15:20 (c) 14:20
23. 23.A film is 3 hours 50 minutes long. How many minutes is that?
24. 24.A film is 1 hour 15 minutes long. How many minutes is that?
25. 25.A match starts at 12:50 and lasts 2 hours 20 minutes. At what time does it end? (a) 14:10 (b) 15:10 (c) 16:10
26. 26.What is 19:40 in 12-hour time? (a) 7:40 a.m. (b) 9:40 p.m. (c) 7:40 p.m.
27. 27.A train leaves at 18:55 and reaches at 21:20. How long is the journey (in minutes)?
28. 28.A match starts at 10:15 and lasts 3 hours 45 minutes. At what time does it end? (a) 15:00 (b) 14:00 (c) 13:00
29. 29.A train leaves at 14:00 and reaches at 16:30. How long is the journey (in minutes)?
30. 30.How many hours are there from 09:00 to 16:00?
31. 31.What is 06:50 in 12-hour time? (a) 6:50 p.m. (b) 8:50 a.m. (c) 6:50 a.m.
32. 32.What is 22:10 in 12-hour time? (a) 12:10 p.m. (b) 10:10 p.m. (c) 10:10 a.m.
33. 33.A match starts at 13:00 and lasts 3 hours 10 minutes. At what time does it end? (a) 16:10 (b) 15:10 (c) 17:10
34. 34.Write 4:30 p.m. in 24-hour time. (a) 04:30 (b) 18:30 (c) 16:30
35. 35.How many hours are there from 05:00 to 22:00?
36. 36.A film is 2 hours 15 minutes long. How many minutes is that?
37. 37.Write 10:30 p.m. in 24-hour time. (a) 10:30 (b) 00:30 (c) 22:30
38. 38.A train leaves at 17:00 and reaches at 19:50. How long is the journey (in minutes)?
39. 39.A match starts at 10:35 and lasts 1 hour 30 minutes. At what time does it end? (a) 11:05 (b) 13:05 (c) 12:05
40. 40.A film is 4 hours 15 minutes long. How many minutes is that?

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