Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 713 · 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 11:05 a.m. in 24-hour time. (a) 13:05 (b) 23:05 (c) 11:05
2. 2.How many hours are there from 07:00 to 12:00?
3. 3.A match starts at 11:45 and lasts 3 hours 15 minutes. At what time does it end? (a) 14:00 (b) 15:00 (c) 16:00
4. 4.Write 7:20 p.m. in 24-hour time. (a) 07:20 (b) 19:20 (c) 21:20
5. 5.How many hours are there from 09:00 to 20:00?
6. 6.A film is 4 hours 55 minutes long. How many minutes is that?
7. 7.What is 02:10 in 12-hour time? (a) 4:10 a.m. (b) 2:10 p.m. (c) 2:10 a.m.
8. 8.How many hours are there from 11:00 to 21:00?
9. 9.A film is 3 hours 10 minutes long. How many minutes is that?
10. 10.How many hours are there from 05:00 to 11:00?
11. 11.A film is 3 hours 20 minutes long. How many minutes is that?
12. 12.Write 7:10 a.m. in 24-hour time. (a) 09:10 (b) 19:10 (c) 07:10
13. 13.Write 3:45 p.m. in 24-hour time. (a) 03:45 (b) 15:45 (c) 17:45
14. 14.A match starts at 12:10 and lasts 3 hours 20 minutes. At what time does it end? (a) 14:30 (b) 16:30 (c) 15:30
15. 15.How many hours are there from 08:00 to 20:00?
16. 16.A match starts at 06:40 and lasts 1 hour 30 minutes. At what time does it end? (a) 09:10 (b) 07:10 (c) 08:10
17. 17.What is 17:40 in 12-hour time? (a) 7:40 p.m. (b) 5:40 p.m. (c) 5:40 a.m.
18. 18.How many hours are there from 10:00 to 16:00?
19. 19.A train leaves at 13:15 and reaches at 15:10. How long is the journey (in minutes)?
20. 20.A train leaves at 11:15 and reaches at 13:45. How long is the journey (in minutes)?
21. 21.What is 05:20 in 12-hour time? (a) 5:20 a.m. (b) 5:20 p.m. (c) 7:20 a.m.
22. 22.Write 5:05 a.m. in 24-hour time. (a) 07:05 (b) 17:05 (c) 05:05
23. 23.A match starts at 18:20 and lasts 1 hour 45 minutes. At what time does it end? (a) 21:05 (b) 20:05 (c) 19:05
24. 24.Write 9:00 a.m. in 24-hour time. (a) 09:00 (b) 11:00 (c) 21:00
25. 25.What is 05:45 in 12-hour time? (a) 7:45 a.m. (b) 5:45 p.m. (c) 5:45 a.m.
26. 26.A match starts at 12:55 and lasts 2 hours 15 minutes. At what time does it end? (a) 16:10 (b) 14:10 (c) 15:10
27. 27.What is 22:25 in 12-hour time? (a) 10:25 p.m. (b) 12:25 p.m. (c) 10:25 a.m.
28. 28.What is 09:50 in 12-hour time? (a) 9:50 a.m. (b) 11:50 a.m. (c) 9:50 p.m.
29. 29.Write 1:00 a.m. in 24-hour time. (a) 03:00 (b) 01:00 (c) 13:00
30. 30.A film is 4 hours 50 minutes long. How many minutes is that?
31. 31.A film is 1 hour 15 minutes long. How many minutes is that?
32. 32.Write 11:55 p.m. in 24-hour time. (a) 23:55 (b) 11:55 (c) 01:55
33. 33.A match starts at 14:20 and lasts 2 hours 10 minutes. At what time does it end? (a) 17:30 (b) 15:30 (c) 16:30
34. 34.A match starts at 10:15 and lasts 1 hour 35 minutes. At what time does it end? (a) 12:50 (b) 11:50 (c) 10:50
35. 35.A film is 4 hours 40 minutes long. How many minutes is that?
36. 36.A match starts at 08:20 and lasts 2 hours 20 minutes. At what time does it end? (a) 10:40 (b) 09:40 (c) 11:40
37. 37.A film is 4 hours 20 minutes long. How many minutes is that?
38. 38.A match starts at 07:30 and lasts 1 hour 10 minutes. At what time does it end? (a) 08:40 (b) 07:40 (c) 09:40
39. 39.What is 04:30 in 12-hour time? (a) 4:30 a.m. (b) 6:30 a.m. (c) 4:30 p.m.
40. 40.A train leaves at 15:25 and reaches at 16:00. How long is the journey (in minutes)?

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