Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 650 · 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 05:50 in 12-hour time? (a) 7:50 a.m. (b) 5:50 p.m. (c) 5:50 a.m.
2. 2.How many hours are there from 07:00 to 20:00?
3. 3.Write 4:05 p.m. in 24-hour time. (a) 04:05 (b) 18:05 (c) 16:05
4. 4.How many hours are there from 11:00 to 15:00?
5. 5.Write 8:15 p.m. in 24-hour time. (a) 08:15 (b) 22:15 (c) 20:15
6. 6.Write 1:25 p.m. in 24-hour time. (a) 13:25 (b) 15:25 (c) 01:25
7. 7.Write 9:55 p.m. in 24-hour time. (a) 21:55 (b) 09:55 (c) 23:55
8. 8.Write 9:10 p.m. in 24-hour time. (a) 23:10 (b) 09:10 (c) 21:10
9. 9.Write 3:55 a.m. in 24-hour time. (a) 03:55 (b) 05:55 (c) 15:55
10. 10.A match starts at 17:20 and lasts 2 hours 25 minutes. At what time does it end? (a) 20:45 (b) 19:45 (c) 18:45
11. 11.What is 02:05 in 12-hour time? (a) 4:05 a.m. (b) 2:05 a.m. (c) 2:05 p.m.
12. 12.What is 03:55 in 12-hour time? (a) 3:55 p.m. (b) 5:55 a.m. (c) 3:55 a.m.
13. 13.A match starts at 18:30 and lasts 1 hour 50 minutes. At what time does it end? (a) 20:20 (b) 19:20 (c) 21:20
14. 14.A match starts at 12:05 and lasts 2 hours 30 minutes. At what time does it end? (a) 14:35 (b) 15:35 (c) 13:35
15. 15.A match starts at 09:15 and lasts 1 hour 50 minutes. At what time does it end? (a) 12:05 (b) 11:05 (c) 10:05
16. 16.A film is 2 hours 40 minutes long. How many minutes is that?
17. 17.Write 10:40 a.m. in 24-hour time. (a) 10:40 (b) 22:40 (c) 12:40
18. 18.A film is 4 hours 10 minutes long. How many minutes is that?
19. 19.A film is 4 hours 25 minutes long. How many minutes is that?
20. 20.A train leaves at 19:05 and reaches at 22:25. How long is the journey (in minutes)?
21. 21.A match starts at 11:00 and lasts 4 hours 50 minutes. At what time does it end? (a) 14:50 (b) 16:50 (c) 15:50
22. 22.What is 03:50 in 12-hour time? (a) 3:50 a.m. (b) 3:50 p.m. (c) 5:50 a.m.
23. 23.What is 20:15 in 12-hour time? (a) 8:15 p.m. (b) 8:15 a.m. (c) 10:15 p.m.
24. 24.What is 05:45 in 12-hour time? (a) 5:45 a.m. (b) 7:45 a.m. (c) 5:45 p.m.
25. 25.A match starts at 17:25 and lasts 4 hours 30 minutes. At what time does it end? (a) 22:55 (b) 21:55 (c) 20:55
26. 26.What is 07:05 in 12-hour time? (a) 7:05 p.m. (b) 7:05 a.m. (c) 9:05 a.m.
27. 27.How many hours are there from 08:00 to 19:00?
28. 28.What is 08:10 in 12-hour time? (a) 8:10 p.m. (b) 10:10 a.m. (c) 8:10 a.m.
29. 29.What is 21:20 in 12-hour time? (a) 9:20 a.m. (b) 9:20 p.m. (c) 11:20 p.m.
30. 30.What is 01:35 in 12-hour time? (a) 1:35 p.m. (b) 3:35 a.m. (c) 1:35 a.m.
31. 31.A match starts at 13:55 and lasts 1 hour 10 minutes. At what time does it end? (a) 15:05 (b) 16:05 (c) 14:05
32. 32.A film is 3 hours 15 minutes long. How many minutes is that?
33. 33.A film is 2 hours 35 minutes long. How many minutes is that?
34. 34.A film is 1 hour 50 minutes long. How many minutes is that?
35. 35.What is 11:35 in 12-hour time? (a) 11:35 p.m. (b) 11:35 a.m. (c) 1:35 a.m.
36. 36.What is 01:15 in 12-hour time? (a) 1:15 p.m. (b) 1:15 a.m. (c) 3:15 a.m.
37. 37.What is 08:40 in 12-hour time? (a) 8:40 p.m. (b) 10:40 a.m. (c) 8:40 a.m.
38. 38.Write 5:25 a.m. in 24-hour time. (a) 05:25 (b) 07:25 (c) 17:25
39. 39.How many hours are there from 05:00 to 18:00?
40. 40.A film is 1 hour 40 minutes long. How many minutes is that?

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