Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 736 · 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 05:35 in 12-hour time? (a) 7:35 a.m. (b) 5:35 p.m. (c) 5:35 a.m.
2. 2.A film is 4 hours 30 minutes long. How many minutes is that?
3. 3.How many hours are there from 10:00 to 17:00?
4. 4.A train leaves at 13:40 and reaches at 15:25. How long is the journey (in minutes)?
5. 5.How many hours are there from 10:00 to 20:00?
6. 6.A film is 2 hours 35 minutes long. How many minutes is that?
7. 7.What is 05:15 in 12-hour time? (a) 5:15 p.m. (b) 7:15 a.m. (c) 5:15 a.m.
8. 8.A train leaves at 14:05 and reaches at 14:45. How long is the journey (in minutes)?
9. 9.A match starts at 16:15 and lasts 3 hours 50 minutes. At what time does it end? (a) 19:05 (b) 20:05 (c) 21:05
10. 10.What is 07:35 in 12-hour time? (a) 7:35 p.m. (b) 9:35 a.m. (c) 7:35 a.m.
11. 11.What is 01:40 in 12-hour time? (a) 1:40 p.m. (b) 1:40 a.m. (c) 3:40 a.m.
12. 12.A match starts at 12:50 and lasts 2 hours 20 minutes. At what time does it end? (a) 16:10 (b) 14:10 (c) 15:10
13. 13.A train leaves at 15:45 and reaches at 17:00. How long is the journey (in minutes)?
14. 14.What is 22:20 in 12-hour time? (a) 10:20 a.m. (b) 12:20 p.m. (c) 10:20 p.m.
15. 15.How many hours are there from 12:00 to 16:00?
16. 16.What is 16:00 in 12-hour time? (a) 6:00 p.m. (b) 4:00 a.m. (c) 4:00 p.m.
17. 17.Write 10:05 p.m. in 24-hour time. (a) 00:05 (b) 10:05 (c) 22:05
18. 18.Write 3:10 p.m. in 24-hour time. (a) 15:10 (b) 03:10 (c) 17:10
19. 19.Write 11:45 a.m. in 24-hour time. (a) 13:45 (b) 11:45 (c) 23:45
20. 20.What is 02:40 in 12-hour time? (a) 2:40 a.m. (b) 4:40 a.m. (c) 2:40 p.m.
21. 21.A film is 3 hours 55 minutes long. How many minutes is that?
22. 22.A film is 3 hours 20 minutes long. How many minutes is that?
23. 23.How many hours are there from 08:00 to 10:00?
24. 24.A film is 4 hours 10 minutes long. How many minutes is that?
25. 25.Write 2:55 p.m. in 24-hour time. (a) 16:55 (b) 02:55 (c) 14:55
26. 26.A train leaves at 18:10 and reaches at 20:55. How long is the journey (in minutes)?
27. 27.What is 14:25 in 12-hour time? (a) 2:25 a.m. (b) 2:25 p.m. (c) 4:25 p.m.
28. 28.Write 3:40 a.m. in 24-hour time. (a) 05:40 (b) 15:40 (c) 03:40
29. 29.What is 04:15 in 12-hour time? (a) 6:15 a.m. (b) 4:15 a.m. (c) 4:15 p.m.
30. 30.A train leaves at 06:15 and reaches at 07:20. How long is the journey (in minutes)?
31. 31.A film is 1 hour 10 minutes long. How many minutes is that?
32. 32.A train leaves at 08:15 and reaches at 11:10. How long is the journey (in minutes)?
33. 33.A match starts at 16:45 and lasts 1 hour 35 minutes. At what time does it end? (a) 19:20 (b) 18:20 (c) 17:20
34. 34.What is 19:25 in 12-hour time? (a) 9:25 p.m. (b) 7:25 a.m. (c) 7:25 p.m.
35. 35.A film is 2 hours 30 minutes long. How many minutes is that?
36. 36.Write 8:20 a.m. in 24-hour time. (a) 08:20 (b) 20:20 (c) 10:20
37. 37.A match starts at 13:20 and lasts 2 hours 55 minutes. At what time does it end? (a) 17:15 (b) 15:15 (c) 16:15
38. 38.What is 07:15 in 12-hour time? (a) 7:15 p.m. (b) 7:15 a.m. (c) 9:15 a.m.
39. 39.A match starts at 12:30 and lasts 3 hours 45 minutes. At what time does it end? (a) 16:15 (b) 17:15 (c) 15:15
40. 40.A film is 4 hours 55 minutes long. How many minutes is that?

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