Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 600 · 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 train leaves at 17:05 and reaches at 20:00. How long is the journey (in minutes)?
2. 2.What is 01:40 in 12-hour time? (a) 1:40 p.m. (b) 1:40 a.m. (c) 3:40 a.m.
3. 3.A train leaves at 16:00 and reaches at 16:55. How long is the journey (in minutes)?
4. 4.A film is 3 hours 35 minutes long. How many minutes is that?
5. 5.A film is 1 hour 15 minutes long. How many minutes is that?
6. 6.What is 19:15 in 12-hour time? (a) 7:15 p.m. (b) 9:15 p.m. (c) 7:15 a.m.
7. 7.A train leaves at 08:15 and reaches at 09:20. How long is the journey (in minutes)?
8. 8.What is 04:25 in 12-hour time? (a) 6:25 a.m. (b) 4:25 p.m. (c) 4:25 a.m.
9. 9.A film is 1 hour 30 minutes long. How many minutes is that?
10. 10.What is 01:55 in 12-hour time? (a) 1:55 p.m. (b) 3:55 a.m. (c) 1:55 a.m.
11. 11.What is 01:10 in 12-hour time? (a) 3:10 a.m. (b) 1:10 a.m. (c) 1:10 p.m.
12. 12.How many hours are there from 07:00 to 17:00?
13. 13.A train leaves at 06:10 and reaches at 07:35. How long is the journey (in minutes)?
14. 14.A match starts at 10:20 and lasts 4 hours 30 minutes. At what time does it end? (a) 13:50 (b) 14:50 (c) 15:50
15. 15.A train leaves at 19:00 and reaches at 20:15. How long is the journey (in minutes)?
16. 16.A train leaves at 09:40 and reaches at 10:55. How long is the journey (in minutes)?
17. 17.A film is 1 hour 45 minutes long. How many minutes is that?
18. 18.What is 15:40 in 12-hour time? (a) 3:40 a.m. (b) 3:40 p.m. (c) 5:40 p.m.
19. 19.Write 9:20 a.m. in 24-hour time. (a) 11:20 (b) 21:20 (c) 09:20
20. 20.How many hours are there from 11:00 to 23:00?
21. 21.What is 02:55 in 12-hour time? (a) 4:55 a.m. (b) 2:55 p.m. (c) 2:55 a.m.
22. 22.Write 1:00 a.m. in 24-hour time. (a) 03:00 (b) 13:00 (c) 01:00
23. 23.Write 1:05 a.m. in 24-hour time. (a) 03:05 (b) 13:05 (c) 01:05
24. 24.What is 20:50 in 12-hour time? (a) 8:50 a.m. (b) 10:50 p.m. (c) 8:50 p.m.
25. 25.Write 3:30 a.m. in 24-hour time. (a) 03:30 (b) 05:30 (c) 15:30
26. 26.How many hours are there from 09:00 to 14:00?
27. 27.How many hours are there from 09:00 to 11:00?
28. 28.A train leaves at 18:10 and reaches at 20:30. How long is the journey (in minutes)?
29. 29.How many hours are there from 09:00 to 20:00?
30. 30.How many hours are there from 10:00 to 21:00?
31. 31.How many hours are there from 06:00 to 17:00?
32. 32.A match starts at 13:45 and lasts 1 hour 25 minutes. At what time does it end? (a) 14:10 (b) 16:10 (c) 15:10
33. 33.A train leaves at 17:15 and reaches at 18:05. How long is the journey (in minutes)?
34. 34.What is 15:25 in 12-hour time? (a) 3:25 a.m. (b) 3:25 p.m. (c) 5:25 p.m.
35. 35.How many hours are there from 06:00 to 21:00?
36. 36.A train leaves at 18:00 and reaches at 18:55. How long is the journey (in minutes)?
37. 37.How many hours are there from 05:00 to 20:00?
38. 38.What is 18:20 in 12-hour time? (a) 8:20 p.m. (b) 6:20 a.m. (c) 6:20 p.m.
39. 39.What is 04:50 in 12-hour time? (a) 6:50 a.m. (b) 4:50 a.m. (c) 4:50 p.m.
40. 40.A film is 3 hours 45 minutes long. How many minutes is that?

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