Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 343 · 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 16:50 in 12-hour time? (a) 6:50 p.m. (b) 4:50 a.m. (c) 4:50 p.m.
2. 2.A match starts at 12:55 and lasts 2 hours 50 minutes. At what time does it end? (a) 16:45 (b) 15:45 (c) 14:45
3. 3.Write 5:35 a.m. in 24-hour time. (a) 17:35 (b) 05:35 (c) 07:35
4. 4.A match starts at 16:05 and lasts 4 hours 40 minutes. At what time does it end? (a) 21:45 (b) 20:45 (c) 19:45
5. 5.A match starts at 17:30 and lasts 3 hours 25 minutes. At what time does it end? (a) 19:55 (b) 20:55 (c) 21:55
6. 6.Write 10:15 p.m. in 24-hour time. (a) 00:15 (b) 10:15 (c) 22:15
7. 7.A match starts at 08:05 and lasts 1 hour 25 minutes. At what time does it end? (a) 08:30 (b) 10:30 (c) 09:30
8. 8.What is 18:50 in 12-hour time? (a) 6:50 a.m. (b) 8:50 p.m. (c) 6:50 p.m.
9. 9.A train leaves at 14:00 and reaches at 15:35. How long is the journey (in minutes)?
10. 10.Write 1:45 a.m. in 24-hour time. (a) 01:45 (b) 13:45 (c) 03:45
11. 11.Write 9:45 p.m. in 24-hour time. (a) 09:45 (b) 23:45 (c) 21:45
12. 12.A train leaves at 10:30 and reaches at 11:35. How long is the journey (in minutes)?
13. 13.A film is 4 hours 5 minutes long. How many minutes is that?
14. 14.What is 03:05 in 12-hour time? (a) 3:05 p.m. (b) 3:05 a.m. (c) 5:05 a.m.
15. 15.Write 10:40 p.m. in 24-hour time. (a) 22:40 (b) 00:40 (c) 10:40
16. 16.A train leaves at 19:15 and reaches at 20:15. How long is the journey (in minutes)?
17. 17.A match starts at 08:10 and lasts 3 hours 55 minutes. At what time does it end? (a) 12:05 (b) 13:05 (c) 11:05
18. 18.How many hours are there from 06:00 to 21:00?
19. 19.A film is 4 hours 15 minutes long. How many minutes is that?
20. 20.A train leaves at 13:10 and reaches at 15:10. How long is the journey (in minutes)?
21. 21.A match starts at 14:40 and lasts 1 hour 50 minutes. At what time does it end? (a) 16:30 (b) 17:30 (c) 15:30
22. 22.Write 4:20 p.m. in 24-hour time. (a) 04:20 (b) 16:20 (c) 18:20
23. 23.How many hours are there from 06:00 to 11:00?
24. 24.What is 20:00 in 12-hour time? (a) 8:00 a.m. (b) 10:00 p.m. (c) 8:00 p.m.
25. 25.A match starts at 16:35 and lasts 1 hour. At what time does it end? (a) 16:35 (b) 18:35 (c) 17:35
26. 26.Write 6:05 a.m. in 24-hour time. (a) 08:05 (b) 18:05 (c) 06:05
27. 27.How many hours are there from 11:00 to 20:00?
28. 28.How many hours are there from 06:00 to 08:00?
29. 29.Write 1:25 a.m. in 24-hour time. (a) 13:25 (b) 03:25 (c) 01:25
30. 30.What is 19:10 in 12-hour time? (a) 9:10 p.m. (b) 7:10 a.m. (c) 7:10 p.m.
31. 31.A train leaves at 17:10 and reaches at 17:55. How long is the journey (in minutes)?
32. 32.A match starts at 18:30 and lasts 1 hour 35 minutes. At what time does it end? (a) 19:05 (b) 21:05 (c) 20:05
33. 33.A film is 3 hours 15 minutes long. How many minutes is that?
34. 34.Write 8:05 p.m. in 24-hour time. (a) 20:05 (b) 22:05 (c) 08:05
35. 35.How many hours are there from 08:00 to 16:00?
36. 36.What is 19:20 in 12-hour time? (a) 9:20 p.m. (b) 7:20 p.m. (c) 7:20 a.m.
37. 37.A film is 1 hour 20 minutes long. How many minutes is that?
38. 38.What is 21:35 in 12-hour time? (a) 11:35 p.m. (b) 9:35 p.m. (c) 9:35 a.m.
39. 39.What is 17:40 in 12-hour time? (a) 5:40 a.m. (b) 5:40 p.m. (c) 7:40 p.m.
40. 40.A train leaves at 16:10 and reaches at 16:55. How long is the journey (in minutes)?

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