Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 846 · 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.How many hours are there from 07:00 to 09:00?
2. 2.A film is 3 hours 45 minutes long. How many minutes is that?
3. 3.A film is 1 hour 40 minutes long. How many minutes is that?
4. 4.What is 05:55 in 12-hour time? (a) 5:55 p.m. (b) 5:55 a.m. (c) 7:55 a.m.
5. 5.What is 21:50 in 12-hour time? (a) 9:50 a.m. (b) 9:50 p.m. (c) 11:50 p.m.
6. 6.What is 13:20 in 12-hour time? (a) 1:20 p.m. (b) 3:20 p.m. (c) 1:20 a.m.
7. 7.A match starts at 08:20 and lasts 1 hour 25 minutes. At what time does it end? (a) 08:45 (b) 10:45 (c) 09:45
8. 8.How many hours are there from 09:00 to 14:00?
9. 9.Write 7:00 p.m. in 24-hour time. (a) 19:00 (b) 21:00 (c) 07:00
10. 10.What is 10:40 in 12-hour time? (a) 10:40 p.m. (b) 12:40 a.m. (c) 10:40 a.m.
11. 11.Write 11:30 a.m. in 24-hour time. (a) 13:30 (b) 23:30 (c) 11:30
12. 12.Write 11:10 p.m. in 24-hour time. (a) 23:10 (b) 01:10 (c) 11:10
13. 13.How many hours are there from 10:00 to 23:00?
14. 14.A train leaves at 10:10 and reaches at 12:30. How long is the journey (in minutes)?
15. 15.A match starts at 15:15 and lasts 4 hours 5 minutes. At what time does it end? (a) 18:20 (b) 20:20 (c) 19:20
16. 16.A match starts at 13:55 and lasts 4 hours 20 minutes. At what time does it end? (a) 18:15 (b) 19:15 (c) 17:15
17. 17.A film is 2 hours 25 minutes long. How many minutes is that?
18. 18.What is 06:25 in 12-hour time? (a) 6:25 p.m. (b) 6:25 a.m. (c) 8:25 a.m.
19. 19.A film is 4 hours 10 minutes long. How many minutes is that?
20. 20.What is 03:40 in 12-hour time? (a) 3:40 p.m. (b) 3:40 a.m. (c) 5:40 a.m.
21. 21.A train leaves at 12:40 and reaches at 15:00. How long is the journey (in minutes)?
22. 22.A train leaves at 18:10 and reaches at 20:00. How long is the journey (in minutes)?
23. 23.How many hours are there from 06:00 to 11:00?
24. 24.What is 07:50 in 12-hour time? (a) 7:50 a.m. (b) 7:50 p.m. (c) 9:50 a.m.
25. 25.A train leaves at 06:15 and reaches at 09:05. How long is the journey (in minutes)?
26. 26.A train leaves at 07:20 and reaches at 09:15. How long is the journey (in minutes)?
27. 27.Write 7:40 a.m. in 24-hour time. (a) 19:40 (b) 07:40 (c) 09:40
28. 28.A film is 3 hours 30 minutes long. How many minutes is that?
29. 29.What is 11:40 in 12-hour time? (a) 11:40 a.m. (b) 1:40 a.m. (c) 11:40 p.m.
30. 30.Write 3:40 a.m. in 24-hour time. (a) 03:40 (b) 05:40 (c) 15:40
31. 31.What is 13:05 in 12-hour time? (a) 1:05 a.m. (b) 3:05 p.m. (c) 1:05 p.m.
32. 32.A train leaves at 13:55 and reaches at 14:30. How long is the journey (in minutes)?
33. 33.A match starts at 17:00 and lasts 4 hours 25 minutes. At what time does it end? (a) 21:25 (b) 22:25 (c) 20:25
34. 34.What is 04:00 in 12-hour time? (a) 4:00 a.m. (b) 4:00 p.m. (c) 6:00 a.m.
35. 35.How many hours are there from 09:00 to 13:00?
36. 36.A film is 3 hours 40 minutes long. How many minutes is that?
37. 37.What is 03:30 in 12-hour time? (a) 3:30 a.m. (b) 5:30 a.m. (c) 3:30 p.m.
38. 38.A train leaves at 18:10 and reaches at 19:25. How long is the journey (in minutes)?
39. 39.Write 9:25 p.m. in 24-hour time. (a) 21:25 (b) 09:25 (c) 23:25
40. 40.Write 4:15 a.m. in 24-hour time. (a) 16:15 (b) 04:15 (c) 06:15

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