Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 245 · 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 15:40 and lasts 3 hours 40 minutes. At what time does it end? (a) 20:20 (b) 18:20 (c) 19:20
2. 2.What is 11:10 in 12-hour time? (a) 11:10 a.m. (b) 1:10 a.m. (c) 11:10 p.m.
3. 3.How many hours are there from 12:00 to 16:00?
4. 4.Write 1:40 a.m. in 24-hour time. (a) 03:40 (b) 01:40 (c) 13:40
5. 5.A train leaves at 11:15 and reaches at 12:05. How long is the journey (in minutes)?
6. 6.A film is 4 hours 15 minutes long. How many minutes is that?
7. 7.A film is 2 hours 40 minutes long. How many minutes is that?
8. 8.A train leaves at 09:45 and reaches at 11:40. How long is the journey (in minutes)?
9. 9.What is 15:15 in 12-hour time? (a) 5:15 p.m. (b) 3:15 a.m. (c) 3:15 p.m.
10. 10.Write 11:40 a.m. in 24-hour time. (a) 11:40 (b) 13:40 (c) 23:40
11. 11.A train leaves at 17:15 and reaches at 18:00. How long is the journey (in minutes)?
12. 12.How many hours are there from 05:00 to 07:00?
13. 13.Write 5:25 a.m. in 24-hour time. (a) 07:25 (b) 17:25 (c) 05:25
14. 14.How many hours are there from 07:00 to 18:00?
15. 15.A match starts at 11:20 and lasts 4 hours 35 minutes. At what time does it end? (a) 16:55 (b) 14:55 (c) 15:55
16. 16.What is 08:40 in 12-hour time? (a) 8:40 p.m. (b) 8:40 a.m. (c) 10:40 a.m.
17. 17.A train leaves at 18:20 and reaches at 21:20. How long is the journey (in minutes)?
18. 18.A match starts at 13:00 and lasts 3 hours 20 minutes. At what time does it end? (a) 16:20 (b) 15:20 (c) 17:20
19. 19.How many hours are there from 07:00 to 11:00?
20. 20.A train leaves at 15:00 and reaches at 16:40. How long is the journey (in minutes)?
21. 21.A train leaves at 14:35 and reaches at 15:45. How long is the journey (in minutes)?
22. 22.A match starts at 11:00 and lasts 1 hour 30 minutes. At what time does it end? (a) 12:30 (b) 13:30 (c) 11:30
23. 23.How many hours are there from 06:00 to 20:00?
24. 24.A train leaves at 18:25 and reaches at 20:10. How long is the journey (in minutes)?
25. 25.A match starts at 09:00 and lasts 3 hours 55 minutes. At what time does it end? (a) 13:55 (b) 11:55 (c) 12:55
26. 26.What is 13:15 in 12-hour time? (a) 3:15 p.m. (b) 1:15 p.m. (c) 1:15 a.m.
27. 27.What is 17:05 in 12-hour time? (a) 7:05 p.m. (b) 5:05 a.m. (c) 5:05 p.m.
28. 28.What is 05:05 in 12-hour time? (a) 7:05 a.m. (b) 5:05 a.m. (c) 5:05 p.m.
29. 29.A film is 3 hours 5 minutes long. How many minutes is that?
30. 30.A train leaves at 07:05 and reaches at 08:40. How long is the journey (in minutes)?
31. 31.A match starts at 13:00 and lasts 4 hours 25 minutes. At what time does it end? (a) 18:25 (b) 17:25 (c) 16:25
32. 32.What is 16:05 in 12-hour time? (a) 4:05 p.m. (b) 6:05 p.m. (c) 4:05 a.m.
33. 33.A match starts at 11:50 and lasts 3 hours 35 minutes. At what time does it end? (a) 15:25 (b) 16:25 (c) 14:25
34. 34.A film is 4 hours 5 minutes long. How many minutes is that?
35. 35.Write 8:20 a.m. in 24-hour time. (a) 08:20 (b) 10:20 (c) 20:20
36. 36.How many hours are there from 09:00 to 12:00?
37. 37.What is 05:15 in 12-hour time? (a) 5:15 p.m. (b) 7:15 a.m. (c) 5:15 a.m.
38. 38.A film is 3 hours 25 minutes long. How many minutes is that?
39. 39.A film is 2 hours 20 minutes long. How many minutes is that?
40. 40.A film is 4 hours 40 minutes long. How many minutes is that?

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