Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 374 · 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.What is 09:45 in 12-hour time? (a) 11:45 a.m. (b) 9:45 p.m. (c) 9:45 a.m.
2. 2.What is 20:25 in 12-hour time? (a) 10:25 p.m. (b) 8:25 p.m. (c) 8:25 a.m.
3. 3.A train leaves at 11:10 and reaches at 12:10. How long is the journey (in minutes)?
4. 4.A match starts at 06:10 and lasts 3 hours 35 minutes. At what time does it end? (a) 09:45 (b) 10:45 (c) 08:45
5. 5.Write 9:50 a.m. in 24-hour time. (a) 11:50 (b) 09:50 (c) 21:50
6. 6.Write 9:00 a.m. in 24-hour time. (a) 11:00 (b) 21:00 (c) 09:00
7. 7.A train leaves at 19:05 and reaches at 20:55. How long is the journey (in minutes)?
8. 8.A train leaves at 16:20 and reaches at 18:35. How long is the journey (in minutes)?
9. 9.How many hours are there from 10:00 to 17:00?
10. 10.A train leaves at 09:25 and reaches at 11:00. How long is the journey (in minutes)?
11. 11.What is 01:40 in 12-hour time? (a) 1:40 a.m. (b) 3:40 a.m. (c) 1:40 p.m.
12. 12.What is 22:15 in 12-hour time? (a) 10:15 p.m. (b) 12:15 p.m. (c) 10:15 a.m.
13. 13.Write 7:55 p.m. in 24-hour time. (a) 07:55 (b) 21:55 (c) 19:55
14. 14.What is 02:30 in 12-hour time? (a) 2:30 p.m. (b) 4:30 a.m. (c) 2:30 a.m.
15. 15.Write 10:35 a.m. in 24-hour time. (a) 10:35 (b) 12:35 (c) 22:35
16. 16.A train leaves at 13:40 and reaches at 16:25. How long is the journey (in minutes)?
17. 17.A train leaves at 08:05 and reaches at 09:45. How long is the journey (in minutes)?
18. 18.A film is 1 hour 50 minutes long. How many minutes is that?
19. 19.A match starts at 06:25 and lasts 2 hours 40 minutes. At what time does it end? (a) 08:05 (b) 09:05 (c) 10:05
20. 20.A train leaves at 06:55 and reaches at 08:45. How long is the journey (in minutes)?
21. 21.How many hours are there from 09:00 to 20:00?
22. 22.What is 09:55 in 12-hour time? (a) 9:55 a.m. (b) 11:55 a.m. (c) 9:55 p.m.
23. 23.A film is 4 hours 15 minutes long. How many minutes is that?
24. 24.How many hours are there from 10:00 to 21:00?
25. 25.A film is 1 hour 30 minutes long. How many minutes is that?
26. 26.A train leaves at 19:10 and reaches at 20:45. How long is the journey (in minutes)?
27. 27.What is 11:10 in 12-hour time? (a) 11:10 p.m. (b) 1:10 a.m. (c) 11:10 a.m.
28. 28.A film is 3 hours 55 minutes long. How many minutes is that?
29. 29.A film is 3 hours 5 minutes long. How many minutes is that?
30. 30.Write 10:10 a.m. in 24-hour time. (a) 22:10 (b) 10:10 (c) 12:10
31. 31.How many hours are there from 08:00 to 15:00?
32. 32.A film is 3 hours 40 minutes long. How many minutes is that?
33. 33.Write 7:45 a.m. in 24-hour time. (a) 07:45 (b) 09:45 (c) 19:45
34. 34.A match starts at 14:20 and lasts 4 hours 25 minutes. At what time does it end? (a) 19:45 (b) 17:45 (c) 18:45
35. 35.What is 06:10 in 12-hour time? (a) 8:10 a.m. (b) 6:10 a.m. (c) 6:10 p.m.
36. 36.What is 10:10 in 12-hour time? (a) 10:10 p.m. (b) 10:10 a.m. (c) 12:10 a.m.
37. 37.Write 9:45 a.m. in 24-hour time. (a) 09:45 (b) 11:45 (c) 21:45
38. 38.A film is 3 hours 15 minutes long. How many minutes is that?
39. 39.How many hours are there from 06:00 to 19:00?
40. 40.A train leaves at 15:00 and reaches at 16:50. How long is the journey (in minutes)?

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