Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 282 · 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 11:25 and lasts 4 hours 10 minutes. At what time does it end? (a) 14:35 (b) 15:35 (c) 16:35
2. 2.A train leaves at 16:10 and reaches at 17:00. How long is the journey (in minutes)?
3. 3.Write 8:45 a.m. in 24-hour time. (a) 20:45 (b) 08:45 (c) 10:45
4. 4.Write 7:30 p.m. in 24-hour time. (a) 19:30 (b) 07:30 (c) 21:30
5. 5.What is 07:40 in 12-hour time? (a) 7:40 p.m. (b) 7:40 a.m. (c) 9:40 a.m.
6. 6.What is 19:25 in 12-hour time? (a) 7:25 a.m. (b) 9:25 p.m. (c) 7:25 p.m.
7. 7.A train leaves at 19:00 and reaches at 19:30. How long is the journey (in minutes)?
8. 8.What is 03:20 in 12-hour time? (a) 5:20 a.m. (b) 3:20 p.m. (c) 3:20 a.m.
9. 9.A match starts at 14:40 and lasts 1 hour 35 minutes. At what time does it end? (a) 15:15 (b) 16:15 (c) 17:15
10. 10.A film is 3 hours 35 minutes long. How many minutes is that?
11. 11.What is 11:55 in 12-hour time? (a) 11:55 a.m. (b) 1:55 a.m. (c) 11:55 p.m.
12. 12.How many hours are there from 06:00 to 12:00?
13. 13.A train leaves at 17:45 and reaches at 20:15. How long is the journey (in minutes)?
14. 14.A match starts at 06:20 and lasts 3 hours 45 minutes. At what time does it end? (a) 09:05 (b) 10:05 (c) 11:05
15. 15.A match starts at 10:10 and lasts 1 hour 35 minutes. At what time does it end? (a) 10:45 (b) 12:45 (c) 11:45
16. 16.A film is 3 hours 10 minutes long. How many minutes is that?
17. 17.A match starts at 06:50 and lasts 3 hours 55 minutes. At what time does it end? (a) 10:45 (b) 11:45 (c) 09:45
18. 18.What is 06:20 in 12-hour time? (a) 6:20 p.m. (b) 8:20 a.m. (c) 6:20 a.m.
19. 19.What is 15:50 in 12-hour time? (a) 3:50 p.m. (b) 3:50 a.m. (c) 5:50 p.m.
20. 20.What is 09:50 in 12-hour time? (a) 11:50 a.m. (b) 9:50 p.m. (c) 9:50 a.m.
21. 21.A film is 4 hours 30 minutes long. How many minutes is that?
22. 22.A match starts at 16:45 and lasts 4 hours 10 minutes. At what time does it end? (a) 19:55 (b) 20:55 (c) 21:55
23. 23.Write 5:10 a.m. in 24-hour time. (a) 07:10 (b) 17:10 (c) 05:10
24. 24.A match starts at 06:10 and lasts 1 hour 15 minutes. At what time does it end? (a) 07:25 (b) 08:25 (c) 06:25
25. 25.How many hours are there from 06:00 to 10:00?
26. 26.A match starts at 16:45 and lasts 1 hour 40 minutes. At what time does it end? (a) 19:25 (b) 17:25 (c) 18:25
27. 27.What is 04:30 in 12-hour time? (a) 4:30 p.m. (b) 4:30 a.m. (c) 6:30 a.m.
28. 28.How many hours are there from 12:00 to 16:00?
29. 29.Write 7:05 p.m. in 24-hour time. (a) 21:05 (b) 19:05 (c) 07:05
30. 30.A train leaves at 15:15 and reaches at 18:05. How long is the journey (in minutes)?
31. 31.A film is 2 hours 15 minutes long. How many minutes is that?
32. 32.A match starts at 11:25 and lasts 1 hour. At what time does it end? (a) 13:25 (b) 11:25 (c) 12:25
33. 33.What is 03:50 in 12-hour time? (a) 3:50 p.m. (b) 3:50 a.m. (c) 5:50 a.m.
34. 34.A train leaves at 19:55 and reaches at 23:05. How long is the journey (in minutes)?
35. 35.What is 04:00 in 12-hour time? (a) 4:00 a.m. (b) 6:00 a.m. (c) 4:00 p.m.
36. 36.Write 11:10 a.m. in 24-hour time. (a) 23:10 (b) 13:10 (c) 11:10
37. 37.What is 06:50 in 12-hour time? (a) 8:50 a.m. (b) 6:50 p.m. (c) 6:50 a.m.
38. 38.What is 20:35 in 12-hour time? (a) 10:35 p.m. (b) 8:35 a.m. (c) 8:35 p.m.
39. 39.What is 19:30 in 12-hour time? (a) 7:30 p.m. (b) 9:30 p.m. (c) 7:30 a.m.
40. 40.A film is 1 hour 35 minutes long. How many minutes is that?

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