Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 461 · 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 film is 4 hours 45 minutes long. How many minutes is that?
2. 2.A film is 2 hours 15 minutes long. How many minutes is that?
3. 3.What is 13:05 in 12-hour time? (a) 3:05 p.m. (b) 1:05 p.m. (c) 1:05 a.m.
4. 4.Write 9:50 a.m. in 24-hour time. (a) 21:50 (b) 11:50 (c) 09:50
5. 5.How many hours are there from 07:00 to 12:00?
6. 6.A match starts at 10:35 and lasts 1 hour 50 minutes. At what time does it end? (a) 11:25 (b) 12:25 (c) 13:25
7. 7.What is 20:00 in 12-hour time? (a) 8:00 a.m. (b) 8:00 p.m. (c) 10:00 p.m.
8. 8.A match starts at 12:20 and lasts 4 hours 5 minutes. At what time does it end? (a) 15:25 (b) 16:25 (c) 17:25
9. 9.A match starts at 08:55 and lasts 1 hour 55 minutes. At what time does it end? (a) 11:50 (b) 10:50 (c) 09:50
10. 10.A match starts at 06:25 and lasts 2 hours 20 minutes. At what time does it end? (a) 08:45 (b) 09:45 (c) 07:45
11. 11.What is 22:35 in 12-hour time? (a) 12:35 p.m. (b) 10:35 p.m. (c) 10:35 a.m.
12. 12.A match starts at 17:30 and lasts 1 hour 55 minutes. At what time does it end? (a) 18:25 (b) 19:25 (c) 20:25
13. 13.A match starts at 10:55 and lasts 2 hours 45 minutes. At what time does it end? (a) 12:40 (b) 14:40 (c) 13:40
14. 14.Write 2:50 p.m. in 24-hour time. (a) 14:50 (b) 16:50 (c) 02:50
15. 15.A film is 4 hours 35 minutes long. How many minutes is that?
16. 16.A film is 2 hours 25 minutes long. How many minutes is that?
17. 17.Write 1:25 p.m. in 24-hour time. (a) 13:25 (b) 01:25 (c) 15:25
18. 18.A film is 3 hours 55 minutes long. How many minutes is that?
19. 19.A train leaves at 12:30 and reaches at 13:05. How long is the journey (in minutes)?
20. 20.A match starts at 06:15 and lasts 2 hours 35 minutes. At what time does it end? (a) 08:50 (b) 09:50 (c) 07:50
21. 21.How many hours are there from 05:00 to 07:00?
22. 22.What is 07:25 in 12-hour time? (a) 9:25 a.m. (b) 7:25 p.m. (c) 7:25 a.m.
23. 23.How many hours are there from 09:00 to 16:00?
24. 24.Write 3:35 a.m. in 24-hour time. (a) 05:35 (b) 15:35 (c) 03:35
25. 25.How many hours are there from 07:00 to 09:00?
26. 26.A film is 4 hours 5 minutes long. How many minutes is that?
27. 27.Write 10:05 a.m. in 24-hour time. (a) 10:05 (b) 22:05 (c) 12:05
28. 28.Write 9:40 p.m. in 24-hour time. (a) 09:40 (b) 21:40 (c) 23:40
29. 29.Write 4:25 a.m. in 24-hour time. (a) 16:25 (b) 06:25 (c) 04:25
30. 30.A match starts at 06:00 and lasts 4 hours 10 minutes. At what time does it end? (a) 11:10 (b) 10:10 (c) 09:10
31. 31.A match starts at 11:50 and lasts 2 hours 40 minutes. At what time does it end? (a) 14:30 (b) 13:30 (c) 15:30
32. 32.How many hours are there from 06:00 to 11:00?
33. 33.A film is 4 hours 55 minutes long. How many minutes is that?
34. 34.Write 10:00 p.m. in 24-hour time. (a) 10:00 (b) 00:00 (c) 22:00
35. 35.A train leaves at 12:45 and reaches at 15:35. How long is the journey (in minutes)?
36. 36.A train leaves at 12:00 and reaches at 14:55. How long is the journey (in minutes)?
37. 37.What is 21:25 in 12-hour time? (a) 9:25 p.m. (b) 11:25 p.m. (c) 9:25 a.m.
38. 38.A train leaves at 09:35 and reaches at 10:10. How long is the journey (in minutes)?
39. 39.Write 8:45 a.m. in 24-hour time. (a) 08:45 (b) 20:45 (c) 10:45
40. 40.What is 15:10 in 12-hour time? (a) 3:10 p.m. (b) 5:10 p.m. (c) 3:10 a.m.

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