Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 530 · 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 9:20 a.m. in 24-hour time. (a) 11:20 (b) 21:20 (c) 09:20
2. 2.Write 10:10 a.m. in 24-hour time. (a) 12:10 (b) 22:10 (c) 10:10
3. 3.How many hours are there from 08:00 to 15:00?
4. 4.A train leaves at 15:35 and reaches at 16:45. How long is the journey (in minutes)?
5. 5.A film is 2 hours 10 minutes long. How many minutes is that?
6. 6.A train leaves at 09:45 and reaches at 12:45. How long is the journey (in minutes)?
7. 7.A film is 4 hours 55 minutes long. How many minutes is that?
8. 8.A film is 3 hours 20 minutes long. How many minutes is that?
9. 9.A train leaves at 08:30 and reaches at 10:20. How long is the journey (in minutes)?
10. 10.A film is 2 hours 35 minutes long. How many minutes is that?
11. 11.Write 7:45 a.m. in 24-hour time. (a) 19:45 (b) 07:45 (c) 09:45
12. 12.Write 2:55 a.m. in 24-hour time. (a) 02:55 (b) 14:55 (c) 04:55
13. 13.A film is 4 hours 20 minutes long. How many minutes is that?
14. 14.Write 11:10 p.m. in 24-hour time. (a) 01:10 (b) 23:10 (c) 11:10
15. 15.Write 5:10 p.m. in 24-hour time. (a) 19:10 (b) 05:10 (c) 17:10
16. 16.A train leaves at 12:15 and reaches at 14:40. How long is the journey (in minutes)?
17. 17.A train leaves at 10:00 and reaches at 10:30. How long is the journey (in minutes)?
18. 18.A match starts at 08:00 and lasts 3 hours 45 minutes. At what time does it end? (a) 12:45 (b) 10:45 (c) 11:45
19. 19.A match starts at 07:05 and lasts 3 hours 20 minutes. At what time does it end? (a) 11:25 (b) 10:25 (c) 09:25
20. 20.A film is 3 hours 15 minutes long. How many minutes is that?
21. 21.A match starts at 07:20 and lasts 1 hour 55 minutes. At what time does it end? (a) 08:15 (b) 10:15 (c) 09:15
22. 22.How many hours are there from 10:00 to 17:00?
23. 23.A train leaves at 17:30 and reaches at 20:40. How long is the journey (in minutes)?
24. 24.A film is 3 hours 55 minutes long. How many minutes is that?
25. 25.A train leaves at 12:25 and reaches at 14:00. How long is the journey (in minutes)?
26. 26.A film is 1 hour 40 minutes long. How many minutes is that?
27. 27.A match starts at 11:35 and lasts 3 hours 30 minutes. At what time does it end? (a) 15:05 (b) 14:05 (c) 16:05
28. 28.A match starts at 13:15 and lasts 1 hour 45 minutes. At what time does it end? (a) 14:00 (b) 16:00 (c) 15:00
29. 29.How many hours are there from 10:00 to 12:00?
30. 30.What is 13:10 in 12-hour time? (a) 1:10 a.m. (b) 3:10 p.m. (c) 1:10 p.m.
31. 31.How many hours are there from 10:00 to 16:00?
32. 32.What is 04:20 in 12-hour time? (a) 4:20 p.m. (b) 6:20 a.m. (c) 4:20 a.m.
33. 33.How many hours are there from 07:00 to 09:00?
34. 34.A train leaves at 07:55 and reaches at 11:15. How long is the journey (in minutes)?
35. 35.A train leaves at 13:50 and reaches at 15:40. How long is the journey (in minutes)?
36. 36.A train leaves at 06:00 and reaches at 06:55. How long is the journey (in minutes)?
37. 37.A film is 4 hours 10 minutes long. How many minutes is that?
38. 38.A match starts at 13:10 and lasts 4 hours 40 minutes. At what time does it end? (a) 18:50 (b) 16:50 (c) 17:50
39. 39.Write 4:10 a.m. in 24-hour time. (a) 16:10 (b) 06:10 (c) 04:10
40. 40.What is 14:15 in 12-hour time? (a) 2:15 a.m. (b) 4:15 p.m. (c) 2:15 p.m.

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