Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 495 · 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.A match starts at 07:25 and lasts 1 hour 20 minutes. At what time does it end? (a) 08:45 (b) 09:45 (c) 07:45
2. 2.Write 5:20 a.m. in 24-hour time. (a) 05:20 (b) 07:20 (c) 17:20
3. 3.A match starts at 07:10 and lasts 1 hour 40 minutes. At what time does it end? (a) 08:50 (b) 09:50 (c) 07:50
4. 4.A match starts at 12:45 and lasts 4 hours 35 minutes. At what time does it end? (a) 18:20 (b) 16:20 (c) 17:20
5. 5.A match starts at 11:35 and lasts 3 hours 5 minutes. At what time does it end? (a) 15:40 (b) 14:40 (c) 13:40
6. 6.A train leaves at 11:15 and reaches at 12:20. How long is the journey (in minutes)?
7. 7.What is 14:25 in 12-hour time? (a) 2:25 p.m. (b) 4:25 p.m. (c) 2:25 a.m.
8. 8.How many hours are there from 06:00 to 08:00?
9. 9.How many hours are there from 06:00 to 15:00?
10. 10.Write 1:25 p.m. in 24-hour time. (a) 01:25 (b) 13:25 (c) 15:25
11. 11.A film is 3 hours 10 minutes long. How many minutes is that?
12. 12.A match starts at 17:40 and lasts 2 hours 15 minutes. At what time does it end? (a) 19:55 (b) 20:55 (c) 18:55
13. 13.What is 13:05 in 12-hour time? (a) 1:05 a.m. (b) 1:05 p.m. (c) 3:05 p.m.
14. 14.Write 2:15 p.m. in 24-hour time. (a) 02:15 (b) 16:15 (c) 14:15
15. 15.Write 6:05 a.m. in 24-hour time. (a) 06:05 (b) 18:05 (c) 08:05
16. 16.A film is 4 hours 5 minutes long. How many minutes is that?
17. 17.A match starts at 06:45 and lasts 2 hours 20 minutes. At what time does it end? (a) 10:05 (b) 09:05 (c) 08:05
18. 18.Write 10:45 p.m. in 24-hour time. (a) 00:45 (b) 22:45 (c) 10:45
19. 19.Write 3:40 p.m. in 24-hour time. (a) 03:40 (b) 15:40 (c) 17:40
20. 20.Write 9:25 p.m. in 24-hour time. (a) 09:25 (b) 23:25 (c) 21:25
21. 21.Write 6:55 p.m. in 24-hour time. (a) 06:55 (b) 20:55 (c) 18:55
22. 22.A train leaves at 10:05 and reaches at 11:05. How long is the journey (in minutes)?
23. 23.What is 07:55 in 12-hour time? (a) 9:55 a.m. (b) 7:55 p.m. (c) 7:55 a.m.
24. 24.A film is 1 hour 45 minutes long. How many minutes is that?
25. 25.A film is 3 hours 15 minutes long. How many minutes is that?
26. 26.A film is 1 hour 55 minutes long. How many minutes is that?
27. 27.Write 4:55 a.m. in 24-hour time. (a) 16:55 (b) 04:55 (c) 06:55
28. 28.What is 11:45 in 12-hour time? (a) 1:45 a.m. (b) 11:45 a.m. (c) 11:45 p.m.
29. 29.What is 06:35 in 12-hour time? (a) 6:35 a.m. (b) 8:35 a.m. (c) 6:35 p.m.
30. 30.A match starts at 11:30 and lasts 2 hours 35 minutes. At what time does it end? (a) 13:05 (b) 14:05 (c) 15:05
31. 31.Write 4:25 a.m. in 24-hour time. (a) 16:25 (b) 06:25 (c) 04:25
32. 32.What is 13:15 in 12-hour time? (a) 1:15 p.m. (b) 3:15 p.m. (c) 1:15 a.m.
33. 33.A match starts at 14:10 and lasts 1 hour 55 minutes. At what time does it end? (a) 17:05 (b) 15:05 (c) 16:05
34. 34.What is 15:30 in 12-hour time? (a) 3:30 a.m. (b) 5:30 p.m. (c) 3:30 p.m.
35. 35.Write 2:25 a.m. in 24-hour time. (a) 14:25 (b) 02:25 (c) 04:25
36. 36.Write 8:25 a.m. in 24-hour time. (a) 08:25 (b) 20:25 (c) 10:25
37. 37.What is 04:00 in 12-hour time? (a) 6:00 a.m. (b) 4:00 p.m. (c) 4:00 a.m.
38. 38.How many hours are there from 07:00 to 21:00?
39. 39.Write 8:05 a.m. in 24-hour time. (a) 10:05 (b) 08:05 (c) 20:05
40. 40.A film is 1 hour 40 minutes long. How many minutes is that?

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