Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 537 · 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 3:35 p.m. in 24-hour time. (a) 15:35 (b) 03:35 (c) 17:35
2. 2.How many hours are there from 05:00 to 17:00?
3. 3.A match starts at 17:30 and lasts 1 hour 40 minutes. At what time does it end? (a) 19:10 (b) 18:10 (c) 20:10
4. 4.A film is 4 hours 20 minutes long. How many minutes is that?
5. 5.What is 22:30 in 12-hour time? (a) 12:30 p.m. (b) 10:30 p.m. (c) 10:30 a.m.
6. 6.What is 07:00 in 12-hour time? (a) 9:00 a.m. (b) 7:00 a.m. (c) 7:00 p.m.
7. 7.How many hours are there from 10:00 to 13:00?
8. 8.A film is 1 hour 25 minutes long. How many minutes is that?
9. 9.A train leaves at 08:30 and reaches at 11:30. How long is the journey (in minutes)?
10. 10.A match starts at 09:15 and lasts 4 hours 40 minutes. At what time does it end? (a) 14:55 (b) 13:55 (c) 12:55
11. 11.What is 02:35 in 12-hour time? (a) 4:35 a.m. (b) 2:35 p.m. (c) 2:35 a.m.
12. 12.What is 21:25 in 12-hour time? (a) 9:25 a.m. (b) 11:25 p.m. (c) 9:25 p.m.
13. 13.Write 8:15 a.m. in 24-hour time. (a) 08:15 (b) 20:15 (c) 10:15
14. 14.How many hours are there from 10:00 to 14:00?
15. 15.A match starts at 16:20 and lasts 3 hours 40 minutes. At what time does it end? (a) 20:00 (b) 19:00 (c) 21:00
16. 16.A train leaves at 13:05 and reaches at 16:25. How long is the journey (in minutes)?
17. 17.A train leaves at 19:35 and reaches at 21:55. How long is the journey (in minutes)?
18. 18.A match starts at 09:10 and lasts 2 hours 30 minutes. At what time does it end? (a) 12:40 (b) 11:40 (c) 10:40
19. 19.Write 5:05 a.m. in 24-hour time. (a) 05:05 (b) 17:05 (c) 07:05
20. 20.Write 1:40 p.m. in 24-hour time. (a) 13:40 (b) 15:40 (c) 01:40
21. 21.How many hours are there from 07:00 to 16:00?
22. 22.How many hours are there from 12:00 to 19:00?
23. 23.What is 10:05 in 12-hour time? (a) 10:05 p.m. (b) 10:05 a.m. (c) 12:05 a.m.
24. 24.How many hours are there from 09:00 to 15:00?
25. 25.A match starts at 15:00 and lasts 4 hours 10 minutes. At what time does it end? (a) 18:10 (b) 20:10 (c) 19:10
26. 26.What is 23:30 in 12-hour time? (a) 11:30 a.m. (b) 1:30 p.m. (c) 11:30 p.m.
27. 27.A train leaves at 15:05 and reaches at 17:45. How long is the journey (in minutes)?
28. 28.A train leaves at 09:40 and reaches at 10:25. How long is the journey (in minutes)?
29. 29.What is 09:55 in 12-hour time? (a) 9:55 p.m. (b) 11:55 a.m. (c) 9:55 a.m.
30. 30.What is 20:10 in 12-hour time? (a) 8:10 p.m. (b) 10:10 p.m. (c) 8:10 a.m.
31. 31.How many hours are there from 12:00 to 17:00?
32. 32.A film is 4 hours 40 minutes long. How many minutes is that?
33. 33.How many hours are there from 09:00 to 23:00?
34. 34.What is 21:50 in 12-hour time? (a) 9:50 a.m. (b) 9:50 p.m. (c) 11:50 p.m.
35. 35.What is 14:05 in 12-hour time? (a) 2:05 p.m. (b) 4:05 p.m. (c) 2:05 a.m.
36. 36.What is 06:00 in 12-hour time? (a) 6:00 p.m. (b) 8:00 a.m. (c) 6:00 a.m.
37. 37.A match starts at 16:50 and lasts 3 hours 40 minutes. At what time does it end? (a) 19:30 (b) 20:30 (c) 21:30
38. 38.Write 11:00 p.m. in 24-hour time. (a) 23:00 (b) 11:00 (c) 01:00
39. 39.A train leaves at 10:15 and reaches at 11:15. How long is the journey (in minutes)?
40. 40.How many hours are there from 05:00 to 19:00?

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