Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 51 · 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 6:10 a.m. in 24-hour time. (a) 08:10 (b) 18:10 (c) 06:10
2. 2.How many hours are there from 07:00 to 11:00?
3. 3.How many hours are there from 09:00 to 14:00?
4. 4.A film is 1 hour 15 minutes long. How many minutes is that?
5. 5.Write 9:00 p.m. in 24-hour time. (a) 23:00 (b) 21:00 (c) 09:00
6. 6.What is 16:20 in 12-hour time? (a) 4:20 a.m. (b) 6:20 p.m. (c) 4:20 p.m.
7. 7.A match starts at 17:55 and lasts 2 hours 30 minutes. At what time does it end? (a) 21:25 (b) 19:25 (c) 20:25
8. 8.A train leaves at 19:00 and reaches at 21:30. How long is the journey (in minutes)?
9. 9.A match starts at 06:50 and lasts 2 hours. At what time does it end? (a) 09:50 (b) 07:50 (c) 08:50
10. 10.A train leaves at 16:15 and reaches at 18:05. How long is the journey (in minutes)?
11. 11.A train leaves at 18:20 and reaches at 21:00. How long is the journey (in minutes)?
12. 12.What is 08:40 in 12-hour time? (a) 10:40 a.m. (b) 8:40 a.m. (c) 8:40 p.m.
13. 13.A film is 1 hour 35 minutes long. How many minutes is that?
14. 14.A film is 1 hour 40 minutes long. How many minutes is that?
15. 15.A match starts at 07:10 and lasts 1 hour 45 minutes. At what time does it end? (a) 08:55 (b) 07:55 (c) 09:55
16. 16.A match starts at 07:55 and lasts 1 hour 15 minutes. At what time does it end? (a) 08:10 (b) 09:10 (c) 10:10
17. 17.Write 3:30 p.m. in 24-hour time. (a) 17:30 (b) 03:30 (c) 15:30
18. 18.A train leaves at 16:40 and reaches at 18:35. How long is the journey (in minutes)?
19. 19.A match starts at 08:35 and lasts 2 hours 50 minutes. At what time does it end? (a) 11:25 (b) 10:25 (c) 12:25
20. 20.A film is 2 hours 20 minutes long. How many minutes is that?
21. 21.Write 9:10 a.m. in 24-hour time. (a) 11:10 (b) 09:10 (c) 21:10
22. 22.What is 01:40 in 12-hour time? (a) 3:40 a.m. (b) 1:40 p.m. (c) 1:40 a.m.
23. 23.A train leaves at 11:15 and reaches at 14:05. How long is the journey (in minutes)?
24. 24.How many hours are there from 11:00 to 19:00?
25. 25.A train leaves at 13:50 and reaches at 14:45. How long is the journey (in minutes)?
26. 26.How many hours are there from 11:00 to 21:00?
27. 27.A train leaves at 06:00 and reaches at 09:15. How long is the journey (in minutes)?
28. 28.A film is 3 hours 15 minutes long. How many minutes is that?
29. 29.What is 13:00 in 12-hour time? (a) 1:00 p.m. (b) 3:00 p.m. (c) 1:00 a.m.
30. 30.A train leaves at 11:55 and reaches at 13:05. How long is the journey (in minutes)?
31. 31.Write 7:25 a.m. in 24-hour time. (a) 07:25 (b) 19:25 (c) 09:25
32. 32.How many hours are there from 07:00 to 16:00?
33. 33.Write 6:15 a.m. in 24-hour time. (a) 18:15 (b) 08:15 (c) 06:15
34. 34.A match starts at 07:05 and lasts 3 hours 5 minutes. At what time does it end? (a) 11:10 (b) 09:10 (c) 10:10
35. 35.Write 11:15 a.m. in 24-hour time. (a) 13:15 (b) 23:15 (c) 11:15
36. 36.What is 06:50 in 12-hour time? (a) 8:50 a.m. (b) 6:50 p.m. (c) 6:50 a.m.
37. 37.Write 7:35 a.m. in 24-hour time. (a) 07:35 (b) 09:35 (c) 19:35
38. 38.Write 8:35 p.m. in 24-hour time. (a) 08:35 (b) 22:35 (c) 20:35
39. 39.How many hours are there from 06:00 to 16:00?
40. 40.A match starts at 09:25 and lasts 1 hour 50 minutes. At what time does it end? (a) 10:15 (b) 12:15 (c) 11:15

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