Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 197 · 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.Write 5:10 a.m. in 24-hour time. (a) 17:10 (b) 05:10 (c) 07:10
2. 2.Write 4:00 a.m. in 24-hour time. (a) 04:00 (b) 16:00 (c) 06:00
3. 3.Write 5:05 a.m. in 24-hour time. (a) 17:05 (b) 05:05 (c) 07:05
4. 4.How many hours are there from 12:00 to 23:00?
5. 5.What is 22:00 in 12-hour time? (a) 10:00 a.m. (b) 12:00 p.m. (c) 10:00 p.m.
6. 6.Write 9:05 a.m. in 24-hour time. (a) 21:05 (b) 11:05 (c) 09:05
7. 7.How many hours are there from 11:00 to 22:00?
8. 8.What is 11:20 in 12-hour time? (a) 1:20 a.m. (b) 11:20 a.m. (c) 11:20 p.m.
9. 9.A film is 2 hours 40 minutes long. How many minutes is that?
10. 10.How many hours are there from 05:00 to 08:00?
11. 11.A film is 4 hours 55 minutes long. How many minutes is that?
12. 12.A train leaves at 18:45 and reaches at 21:40. How long is the journey (in minutes)?
13. 13.How many hours are there from 06:00 to 23:00?
14. 14.A train leaves at 10:30 and reaches at 13:20. How long is the journey (in minutes)?
15. 15.A train leaves at 18:10 and reaches at 21:10. How long is the journey (in minutes)?
16. 16.How many hours are there from 07:00 to 13:00?
17. 17.A match starts at 13:00 and lasts 1 hour 10 minutes. At what time does it end? (a) 13:10 (b) 14:10 (c) 15:10
18. 18.A film is 4 hours 10 minutes long. How many minutes is that?
19. 19.Write 5:20 p.m. in 24-hour time. (a) 05:20 (b) 19:20 (c) 17:20
20. 20.A match starts at 08:05 and lasts 1 hour 35 minutes. At what time does it end? (a) 10:40 (b) 08:40 (c) 09:40
21. 21.A match starts at 06:15 and lasts 2 hours 5 minutes. At what time does it end? (a) 08:20 (b) 07:20 (c) 09:20
22. 22.What is 08:15 in 12-hour time? (a) 10:15 a.m. (b) 8:15 a.m. (c) 8:15 p.m.
23. 23.Write 3:00 a.m. in 24-hour time. (a) 15:00 (b) 05:00 (c) 03:00
24. 24.Write 2:05 p.m. in 24-hour time. (a) 16:05 (b) 02:05 (c) 14:05
25. 25.A match starts at 06:45 and lasts 1 hour 30 minutes. At what time does it end? (a) 09:15 (b) 08:15 (c) 07:15
26. 26.A film is 3 hours 45 minutes long. How many minutes is that?
27. 27.Write 5:10 p.m. in 24-hour time. (a) 17:10 (b) 05:10 (c) 19:10
28. 28.A match starts at 17:00 and lasts 2 hours 15 minutes. At what time does it end? (a) 19:15 (b) 18:15 (c) 20:15
29. 29.How many hours are there from 09:00 to 17:00?
30. 30.A film is 2 hours 15 minutes long. How many minutes is that?
31. 31.A film is 1 hour 10 minutes long. How many minutes is that?
32. 32.What is 07:25 in 12-hour time? (a) 7:25 p.m. (b) 7:25 a.m. (c) 9:25 a.m.
33. 33.How many hours are there from 12:00 to 15:00?
34. 34.A train leaves at 16:20 and reaches at 19:10. How long is the journey (in minutes)?
35. 35.How many hours are there from 11:00 to 20:00?
36. 36.A film is 4 hours 30 minutes long. How many minutes is that?
37. 37.Write 11:30 p.m. in 24-hour time. (a) 23:30 (b) 01:30 (c) 11:30
38. 38.Write 10:45 a.m. in 24-hour time. (a) 12:45 (b) 22:45 (c) 10:45
39. 39.A match starts at 07:05 and lasts 1 hour 45 minutes. At what time does it end? (a) 09:50 (b) 07:50 (c) 08:50
40. 40.A train leaves at 11:00 and reaches at 11:55. How long is the journey (in minutes)?

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