Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 727 · 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 19:50 in 12-hour time? (a) 9:50 p.m. (b) 7:50 p.m. (c) 7:50 a.m.
2. 2.A train leaves at 19:50 and reaches at 23:10. How long is the journey (in minutes)?
3. 3.Write 3:50 p.m. in 24-hour time. (a) 15:50 (b) 17:50 (c) 03:50
4. 4.What is 16:25 in 12-hour time? (a) 4:25 a.m. (b) 6:25 p.m. (c) 4:25 p.m.
5. 5.A match starts at 06:35 and lasts 4 hours 40 minutes. At what time does it end? (a) 11:15 (b) 12:15 (c) 10:15
6. 6.What is 09:40 in 12-hour time? (a) 9:40 a.m. (b) 9:40 p.m. (c) 11:40 a.m.
7. 7.What is 05:30 in 12-hour time? (a) 5:30 a.m. (b) 7:30 a.m. (c) 5:30 p.m.
8. 8.What is 08:05 in 12-hour time? (a) 10:05 a.m. (b) 8:05 a.m. (c) 8:05 p.m.
9. 9.What is 16:10 in 12-hour time? (a) 4:10 a.m. (b) 4:10 p.m. (c) 6:10 p.m.
10. 10.Write 10:30 a.m. in 24-hour time. (a) 10:30 (b) 12:30 (c) 22:30
11. 11.A film is 4 hours 40 minutes long. How many minutes is that?
12. 12.What is 04:55 in 12-hour time? (a) 4:55 p.m. (b) 4:55 a.m. (c) 6:55 a.m.
13. 13.A match starts at 09:50 and lasts 1 hour 30 minutes. At what time does it end? (a) 10:20 (b) 12:20 (c) 11:20
14. 14.A match starts at 18:30 and lasts 1 hour 45 minutes. At what time does it end? (a) 21:15 (b) 20:15 (c) 19:15
15. 15.Write 6:50 a.m. in 24-hour time. (a) 08:50 (b) 18:50 (c) 06:50
16. 16.What is 09:15 in 12-hour time? (a) 11:15 a.m. (b) 9:15 a.m. (c) 9:15 p.m.
17. 17.A match starts at 09:35 and lasts 2 hours 35 minutes. At what time does it end? (a) 13:10 (b) 12:10 (c) 11:10
18. 18.Write 5:40 p.m. in 24-hour time. (a) 05:40 (b) 17:40 (c) 19:40
19. 19.A film is 2 hours 30 minutes long. How many minutes is that?
20. 20.How many hours are there from 07:00 to 23:00?
21. 21.A match starts at 10:35 and lasts 3 hours 40 minutes. At what time does it end? (a) 14:15 (b) 13:15 (c) 15:15
22. 22.Write 8:15 a.m. in 24-hour time. (a) 20:15 (b) 10:15 (c) 08:15
23. 23.A train leaves at 10:35 and reaches at 11:20. How long is the journey (in minutes)?
24. 24.A match starts at 17:05 and lasts 3 hours 20 minutes. At what time does it end? (a) 19:25 (b) 20:25 (c) 21:25
25. 25.What is 22:15 in 12-hour time? (a) 10:15 a.m. (b) 12:15 p.m. (c) 10:15 p.m.
26. 26.A film is 4 hours 10 minutes long. How many minutes is that?
27. 27.What is 08:00 in 12-hour time? (a) 8:00 p.m. (b) 8:00 a.m. (c) 10:00 a.m.
28. 28.What is 06:25 in 12-hour time? (a) 6:25 p.m. (b) 8:25 a.m. (c) 6:25 a.m.
29. 29.A film is 2 hours 5 minutes long. How many minutes is that?
30. 30.A train leaves at 13:00 and reaches at 15:35. How long is the journey (in minutes)?
31. 31.How many hours are there from 07:00 to 19:00?
32. 32.Write 2:20 a.m. in 24-hour time. (a) 04:20 (b) 02:20 (c) 14:20
33. 33.How many hours are there from 08:00 to 22:00?
34. 34.How many hours are there from 05:00 to 19:00?
35. 35.Write 9:25 p.m. in 24-hour time. (a) 21:25 (b) 23:25 (c) 09:25
36. 36.A train leaves at 17:10 and reaches at 17:35. How long is the journey (in minutes)?
37. 37.What is 14:15 in 12-hour time? (a) 2:15 p.m. (b) 4:15 p.m. (c) 2:15 a.m.
38. 38.How many hours are there from 07:00 to 16:00?
39. 39.What is 19:45 in 12-hour time? (a) 9:45 p.m. (b) 7:45 a.m. (c) 7:45 p.m.
40. 40.A film is 2 hours 15 minutes long. How many minutes is that?

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