Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 262 · 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.A film is 3 hours 30 minutes long. How many minutes is that?
2. 2.How many hours are there from 05:00 to 10:00?
3. 3.Write 5:00 a.m. in 24-hour time. (a) 05:00 (b) 17:00 (c) 07:00
4. 4.What is 06:30 in 12-hour time? (a) 6:30 p.m. (b) 6:30 a.m. (c) 8:30 a.m.
5. 5.How many hours are there from 09:00 to 20:00?
6. 6.A train leaves at 08:10 and reaches at 08:45. How long is the journey (in minutes)?
7. 7.Write 7:10 p.m. in 24-hour time. (a) 21:10 (b) 19:10 (c) 07:10
8. 8.What is 16:00 in 12-hour time? (a) 4:00 a.m. (b) 6:00 p.m. (c) 4:00 p.m.
9. 9.A match starts at 06:45 and lasts 1 hour 30 minutes. At what time does it end? (a) 08:15 (b) 07:15 (c) 09:15
10. 10.A train leaves at 17:45 and reaches at 18:10. How long is the journey (in minutes)?
11. 11.What is 21:40 in 12-hour time? (a) 9:40 a.m. (b) 11:40 p.m. (c) 9:40 p.m.
12. 12.A match starts at 10:30 and lasts 4 hours 10 minutes. At what time does it end? (a) 14:40 (b) 13:40 (c) 15:40
13. 13.A train leaves at 12:55 and reaches at 15:25. How long is the journey (in minutes)?
14. 14.How many hours are there from 10:00 to 19:00?
15. 15.What is 04:25 in 12-hour time? (a) 4:25 p.m. (b) 6:25 a.m. (c) 4:25 a.m.
16. 16.Write 10:55 a.m. in 24-hour time. (a) 10:55 (b) 12:55 (c) 22:55
17. 17.A film is 1 hour 50 minutes long. How many minutes is that?
18. 18.A film is 1 hour 15 minutes long. How many minutes is that?
19. 19.A film is 4 hours 50 minutes long. How many minutes is that?
20. 20.Write 2:45 a.m. in 24-hour time. (a) 14:45 (b) 04:45 (c) 02:45
21. 21.A film is 2 hours 35 minutes long. How many minutes is that?
22. 22.What is 18:35 in 12-hour time? (a) 8:35 p.m. (b) 6:35 p.m. (c) 6:35 a.m.
23. 23.A train leaves at 07:05 and reaches at 10:05. How long is the journey (in minutes)?
24. 24.What is 07:20 in 12-hour time? (a) 7:20 p.m. (b) 9:20 a.m. (c) 7:20 a.m.
25. 25.What is 06:05 in 12-hour time? (a) 6:05 p.m. (b) 6:05 a.m. (c) 8:05 a.m.
26. 26.Write 8:25 a.m. in 24-hour time. (a) 20:25 (b) 08:25 (c) 10:25
27. 27.How many hours are there from 12:00 to 22:00?
28. 28.A train leaves at 18:15 and reaches at 19:05. How long is the journey (in minutes)?
29. 29.What is 16:50 in 12-hour time? (a) 4:50 p.m. (b) 6:50 p.m. (c) 4:50 a.m.
30. 30.How many hours are there from 05:00 to 22:00?
31. 31.How many hours are there from 06:00 to 11:00?
32. 32.A film is 3 hours 50 minutes long. How many minutes is that?
33. 33.How many hours are there from 12:00 to 15:00?
34. 34.A match starts at 09:15 and lasts 1 hour 30 minutes. At what time does it end? (a) 09:45 (b) 10:45 (c) 11:45
35. 35.A match starts at 15:30 and lasts 2 hours 30 minutes. At what time does it end? (a) 18:00 (b) 17:00 (c) 19:00
36. 36.A train leaves at 14:35 and reaches at 15:05. How long is the journey (in minutes)?
37. 37.A train leaves at 07:55 and reaches at 08:40. How long is the journey (in minutes)?
38. 38.A train leaves at 15:10 and reaches at 16:00. How long is the journey (in minutes)?
39. 39.How many hours are there from 05:00 to 15:00?
40. 40.How many hours are there from 11:00 to 15:00?

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