Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 414 · 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.What is 09:05 in 12-hour time? (a) 11:05 a.m. (b) 9:05 a.m. (c) 9:05 p.m.
2. 2.A match starts at 06:05 and lasts 2 hours 15 minutes. At what time does it end? (a) 08:20 (b) 09:20 (c) 07:20
3. 3.How many hours are there from 12:00 to 14:00?
4. 4.A train leaves at 07:00 and reaches at 09:40. How long is the journey (in minutes)?
5. 5.A match starts at 09:05 and lasts 4 hours 50 minutes. At what time does it end? (a) 14:55 (b) 12:55 (c) 13:55
6. 6.Write 1:15 p.m. in 24-hour time. (a) 01:15 (b) 13:15 (c) 15:15
7. 7.A train leaves at 12:20 and reaches at 14:40. How long is the journey (in minutes)?
8. 8.Write 10:40 p.m. in 24-hour time. (a) 10:40 (b) 00:40 (c) 22:40
9. 9.What is 07:40 in 12-hour time? (a) 9:40 a.m. (b) 7:40 a.m. (c) 7:40 p.m.
10. 10.How many hours are there from 12:00 to 23:00?
11. 11.Write 8:55 p.m. in 24-hour time. (a) 22:55 (b) 20:55 (c) 08:55
12. 12.Write 2:35 p.m. in 24-hour time. (a) 16:35 (b) 14:35 (c) 02:35
13. 13.A film is 2 hours 35 minutes long. How many minutes is that?
14. 14.A train leaves at 12:15 and reaches at 13:35. How long is the journey (in minutes)?
15. 15.Write 6:00 a.m. in 24-hour time. (a) 08:00 (b) 18:00 (c) 06:00
16. 16.What is 16:50 in 12-hour time? (a) 6:50 p.m. (b) 4:50 p.m. (c) 4:50 a.m.
17. 17.How many hours are there from 09:00 to 23:00?
18. 18.A train leaves at 09:00 and reaches at 10:30. How long is the journey (in minutes)?
19. 19.Write 6:10 a.m. in 24-hour time. (a) 18:10 (b) 06:10 (c) 08:10
20. 20.A match starts at 11:10 and lasts 4 hours 40 minutes. At what time does it end? (a) 16:50 (b) 15:50 (c) 14:50
21. 21.A train leaves at 12:25 and reaches at 14:40. How long is the journey (in minutes)?
22. 22.A train leaves at 14:05 and reaches at 16:55. How long is the journey (in minutes)?
23. 23.A match starts at 17:00 and lasts 1 hour. At what time does it end? (a) 18:00 (b) 17:00 (c) 19:00
24. 24.A film is 3 hours 30 minutes long. How many minutes is that?
25. 25.A match starts at 12:55 and lasts 1 hour 45 minutes. At what time does it end? (a) 15:40 (b) 14:40 (c) 13:40
26. 26.How many hours are there from 12:00 to 17:00?
27. 27.What is 06:05 in 12-hour time? (a) 6:05 p.m. (b) 8:05 a.m. (c) 6:05 a.m.
28. 28.What is 04:35 in 12-hour time? (a) 4:35 a.m. (b) 6:35 a.m. (c) 4:35 p.m.
29. 29.How many hours are there from 12:00 to 18:00?
30. 30.A film is 4 hours 20 minutes long. How many minutes is that?
31. 31.How many hours are there from 12:00 to 20:00?
32. 32.How many hours are there from 11:00 to 15:00?
33. 33.A film is 1 hour 15 minutes long. How many minutes is that?
34. 34.A match starts at 15:35 and lasts 2 hours 25 minutes. At what time does it end? (a) 18:00 (b) 19:00 (c) 17:00
35. 35.How many hours are there from 05:00 to 16:00?
36. 36.A train leaves at 17:05 and reaches at 17:45. How long is the journey (in minutes)?
37. 37.Write 5:05 p.m. in 24-hour time. (a) 19:05 (b) 05:05 (c) 17:05
38. 38.What is 11:00 in 12-hour time? (a) 1:00 a.m. (b) 11:00 p.m. (c) 11:00 a.m.
39. 39.How many hours are there from 12:00 to 16:00?
40. 40.A film is 4 hours 15 minutes long. How many minutes is that?

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