Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 709 · 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 09:10 in 12-hour time? (a) 9:10 a.m. (b) 9:10 p.m. (c) 11:10 a.m.
2. 2.What is 20:10 in 12-hour time? (a) 10:10 p.m. (b) 8:10 p.m. (c) 8:10 a.m.
3. 3.A film is 3 hours 5 minutes long. How many minutes is that?
4. 4.A match starts at 15:10 and lasts 4 hours 10 minutes. At what time does it end? (a) 20:20 (b) 18:20 (c) 19:20
5. 5.Write 4:30 p.m. in 24-hour time. (a) 18:30 (b) 16:30 (c) 04:30
6. 6.A match starts at 07:45 and lasts 3 hours 35 minutes. At what time does it end? (a) 11:20 (b) 12:20 (c) 10:20
7. 7.Write 7:50 p.m. in 24-hour time. (a) 19:50 (b) 07:50 (c) 21:50
8. 8.How many hours are there from 09:00 to 21:00?
9. 9.Write 4:10 p.m. in 24-hour time. (a) 04:10 (b) 18:10 (c) 16:10
10. 10.How many hours are there from 05:00 to 11:00?
11. 11.A train leaves at 11:25 and reaches at 14:45. How long is the journey (in minutes)?
12. 12.Write 6:10 p.m. in 24-hour time. (a) 18:10 (b) 06:10 (c) 20:10
13. 13.A train leaves at 15:40 and reaches at 17:20. How long is the journey (in minutes)?
14. 14.A match starts at 11:30 and lasts 1 hour 55 minutes. At what time does it end? (a) 12:25 (b) 14:25 (c) 13:25
15. 15.Write 8:35 a.m. in 24-hour time. (a) 20:35 (b) 08:35 (c) 10:35
16. 16.A match starts at 11:15 and lasts 1 hour 15 minutes. At what time does it end? (a) 11:30 (b) 12:30 (c) 13:30
17. 17.A film is 2 hours 5 minutes long. How many minutes is that?
18. 18.Write 7:10 p.m. in 24-hour time. (a) 07:10 (b) 21:10 (c) 19:10
19. 19.Write 2:20 a.m. in 24-hour time. (a) 14:20 (b) 02:20 (c) 04:20
20. 20.How many hours are there from 05:00 to 07:00?
21. 21.What is 06:20 in 12-hour time? (a) 6:20 p.m. (b) 6:20 a.m. (c) 8:20 a.m.
22. 22.A train leaves at 12:05 and reaches at 14:50. How long is the journey (in minutes)?
23. 23.Write 6:25 p.m. in 24-hour time. (a) 20:25 (b) 06:25 (c) 18:25
24. 24.What is 02:00 in 12-hour time? (a) 4:00 a.m. (b) 2:00 a.m. (c) 2:00 p.m.
25. 25.A train leaves at 15:25 and reaches at 15:55. How long is the journey (in minutes)?
26. 26.A film is 3 hours 50 minutes long. How many minutes is that?
27. 27.A match starts at 14:50 and lasts 2 hours 40 minutes. At what time does it end? (a) 16:30 (b) 18:30 (c) 17:30
28. 28.A match starts at 16:25 and lasts 2 hours 25 minutes. At what time does it end? (a) 18:50 (b) 17:50 (c) 19:50
29. 29.What is 02:05 in 12-hour time? (a) 2:05 p.m. (b) 4:05 a.m. (c) 2:05 a.m.
30. 30.What is 20:25 in 12-hour time? (a) 8:25 a.m. (b) 10:25 p.m. (c) 8:25 p.m.
31. 31.A film is 2 hours 15 minutes long. How many minutes is that?
32. 32.A film is 1 hour 55 minutes long. How many minutes is that?
33. 33.A film is 4 hours 45 minutes long. How many minutes is that?
34. 34.A match starts at 09:45 and lasts 4 hours 20 minutes. At what time does it end? (a) 14:05 (b) 13:05 (c) 15:05
35. 35.Write 11:30 p.m. in 24-hour time. (a) 01:30 (b) 11:30 (c) 23:30
36. 36.How many hours are there from 07:00 to 15:00?
37. 37.A train leaves at 09:00 and reaches at 11:00. How long is the journey (in minutes)?
38. 38.A film is 1 hour 30 minutes long. How many minutes is that?
39. 39.A match starts at 06:35 and lasts 4 hours 10 minutes. At what time does it end? (a) 09:45 (b) 11:45 (c) 10:45
40. 40.What is 18:45 in 12-hour time? (a) 8:45 p.m. (b) 6:45 a.m. (c) 6:45 p.m.

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