Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 551 · 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 08:00 and lasts 1 hour 10 minutes. At what time does it end? (a) 09:10 (b) 08:10 (c) 10:10
2. 2.A film is 2 hours 15 minutes long. How many minutes is that?
3. 3.Write 9:35 a.m. in 24-hour time. (a) 21:35 (b) 11:35 (c) 09:35
4. 4.Write 1:50 p.m. in 24-hour time. (a) 15:50 (b) 01:50 (c) 13:50
5. 5.Write 6:30 a.m. in 24-hour time. (a) 08:30 (b) 18:30 (c) 06:30
6. 6.A film is 1 hour 5 minutes long. How many minutes is that?
7. 7.Write 6:10 a.m. in 24-hour time. (a) 06:10 (b) 08:10 (c) 18:10
8. 8.What is 14:00 in 12-hour time? (a) 2:00 a.m. (b) 4:00 p.m. (c) 2:00 p.m.
9. 9.A film is 2 hours 45 minutes long. How many minutes is that?
10. 10.A film is 1 hour 35 minutes long. How many minutes is that?
11. 11.A match starts at 17:40 and lasts 2 hours 40 minutes. At what time does it end? (a) 19:20 (b) 20:20 (c) 21:20
12. 12.A match starts at 11:55 and lasts 1 hour 40 minutes. At what time does it end? (a) 13:35 (b) 12:35 (c) 14:35
13. 13.A film is 4 hours 20 minutes long. How many minutes is that?
14. 14.A film is 2 hours 20 minutes long. How many minutes is that?
15. 15.What is 21:35 in 12-hour time? (a) 9:35 a.m. (b) 11:35 p.m. (c) 9:35 p.m.
16. 16.A match starts at 13:20 and lasts 1 hour 35 minutes. At what time does it end? (a) 13:55 (b) 15:55 (c) 14:55
17. 17.How many hours are there from 08:00 to 13:00?
18. 18.A train leaves at 09:35 and reaches at 11:35. How long is the journey (in minutes)?
19. 19.A film is 4 hours 10 minutes long. How many minutes is that?
20. 20.What is 22:40 in 12-hour time? (a) 10:40 a.m. (b) 12:40 p.m. (c) 10:40 p.m.
21. 21.Write 2:30 p.m. in 24-hour time. (a) 16:30 (b) 14:30 (c) 02:30
22. 22.A train leaves at 19:25 and reaches at 20:30. How long is the journey (in minutes)?
23. 23.A train leaves at 11:45 and reaches at 12:45. How long is the journey (in minutes)?
24. 24.A train leaves at 06:20 and reaches at 07:30. How long is the journey (in minutes)?
25. 25.Write 5:40 a.m. in 24-hour time. (a) 17:40 (b) 05:40 (c) 07:40
26. 26.Write 9:35 p.m. in 24-hour time. (a) 23:35 (b) 21:35 (c) 09:35
27. 27.A train leaves at 17:10 and reaches at 18:30. How long is the journey (in minutes)?
28. 28.Write 7:20 p.m. in 24-hour time. (a) 07:20 (b) 21:20 (c) 19:20
29. 29.How many hours are there from 07:00 to 11:00?
30. 30.Write 5:25 p.m. in 24-hour time. (a) 19:25 (b) 05:25 (c) 17:25
31. 31.How many hours are there from 10:00 to 14:00?
32. 32.What is 11:55 in 12-hour time? (a) 1:55 a.m. (b) 11:55 a.m. (c) 11:55 p.m.
33. 33.What is 06:25 in 12-hour time? (a) 6:25 a.m. (b) 8:25 a.m. (c) 6:25 p.m.
34. 34.A film is 4 hours 40 minutes long. How many minutes is that?
35. 35.What is 01:15 in 12-hour time? (a) 1:15 a.m. (b) 1:15 p.m. (c) 3:15 a.m.
36. 36.A match starts at 15:15 and lasts 1 hour 25 minutes. At what time does it end? (a) 16:40 (b) 17:40 (c) 15:40
37. 37.A match starts at 17:55 and lasts 2 hours 45 minutes. At what time does it end? (a) 21:40 (b) 20:40 (c) 19:40
38. 38.A film is 1 hour 30 minutes long. How many minutes is that?
39. 39.A match starts at 06:40 and lasts 2 hours 45 minutes. At what time does it end? (a) 10:25 (b) 09:25 (c) 08:25
40. 40.Write 7:35 a.m. in 24-hour time. (a) 19:35 (b) 07:35 (c) 09:35

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