Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 337 · 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 11:00 to 20:00?
2. 2.Write 7:40 a.m. in 24-hour time. (a) 07:40 (b) 09:40 (c) 19:40
3. 3.How many hours are there from 11:00 to 23:00?
4. 4.What is 07:25 in 12-hour time? (a) 7:25 a.m. (b) 9:25 a.m. (c) 7:25 p.m.
5. 5.How many hours are there from 07:00 to 09:00?
6. 6.Write 2:20 a.m. in 24-hour time. (a) 02:20 (b) 14:20 (c) 04:20
7. 7.What is 01:50 in 12-hour time? (a) 3:50 a.m. (b) 1:50 p.m. (c) 1:50 a.m.
8. 8.A train leaves at 17:05 and reaches at 19:25. How long is the journey (in minutes)?
9. 9.What is 13:00 in 12-hour time? (a) 1:00 a.m. (b) 1:00 p.m. (c) 3:00 p.m.
10. 10.A train leaves at 17:35 and reaches at 20:10. How long is the journey (in minutes)?
11. 11.A film is 4 hours 55 minutes long. How many minutes is that?
12. 12.A train leaves at 19:20 and reaches at 20:15. How long is the journey (in minutes)?
13. 13.A train leaves at 13:35 and reaches at 15:50. How long is the journey (in minutes)?
14. 14.What is 16:55 in 12-hour time? (a) 4:55 a.m. (b) 6:55 p.m. (c) 4:55 p.m.
15. 15.A film is 1 hour 40 minutes long. How many minutes is that?
16. 16.What is 08:55 in 12-hour time? (a) 8:55 a.m. (b) 10:55 a.m. (c) 8:55 p.m.
17. 17.What is 22:10 in 12-hour time? (a) 12:10 p.m. (b) 10:10 p.m. (c) 10:10 a.m.
18. 18.Write 3:20 p.m. in 24-hour time. (a) 15:20 (b) 17:20 (c) 03:20
19. 19.What is 13:05 in 12-hour time? (a) 1:05 p.m. (b) 3:05 p.m. (c) 1:05 a.m.
20. 20.A film is 1 hour 15 minutes long. How many minutes is that?
21. 21.A train leaves at 06:55 and reaches at 09:15. How long is the journey (in minutes)?
22. 22.How many hours are there from 08:00 to 14:00?
23. 23.A film is 1 hour 20 minutes long. How many minutes is that?
24. 24.How many hours are there from 11:00 to 14:00?
25. 25.Write 3:45 p.m. in 24-hour time. (a) 17:45 (b) 15:45 (c) 03:45
26. 26.A train leaves at 07:25 and reaches at 10:40. How long is the journey (in minutes)?
27. 27.A match starts at 08:25 and lasts 3 hours 25 minutes. At what time does it end? (a) 12:50 (b) 11:50 (c) 10:50
28. 28.A match starts at 13:35 and lasts 1 hour 15 minutes. At what time does it end? (a) 15:50 (b) 13:50 (c) 14:50
29. 29.A match starts at 13:15 and lasts 3 hours 25 minutes. At what time does it end? (a) 16:40 (b) 15:40 (c) 17:40
30. 30.A train leaves at 14:00 and reaches at 15:35. How long is the journey (in minutes)?
31. 31.How many hours are there from 11:00 to 13:00?
32. 32.A film is 1 hour 25 minutes long. How many minutes is that?
33. 33.What is 15:05 in 12-hour time? (a) 3:05 p.m. (b) 5:05 p.m. (c) 3:05 a.m.
34. 34.What is 11:25 in 12-hour time? (a) 1:25 a.m. (b) 11:25 p.m. (c) 11:25 a.m.
35. 35.Write 6:35 a.m. in 24-hour time. (a) 06:35 (b) 18:35 (c) 08:35
36. 36.What is 09:05 in 12-hour time? (a) 11:05 a.m. (b) 9:05 p.m. (c) 9:05 a.m.
37. 37.A train leaves at 18:05 and reaches at 21:20. How long is the journey (in minutes)?
38. 38.Write 10:00 a.m. in 24-hour time. (a) 10:00 (b) 12:00 (c) 22:00
39. 39.How many hours are there from 10:00 to 18:00?
40. 40.A film is 2 hours 5 minutes long. How many minutes is that?

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