Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 906 · 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 match starts at 10:30 and lasts 2 hours 50 minutes. At what time does it end? (a) 13:20 (b) 14:20 (c) 12:20
2. 2.What is 08:05 in 12-hour time? (a) 10:05 a.m. (b) 8:05 p.m. (c) 8:05 a.m.
3. 3.A film is 4 hours 15 minutes long. How many minutes is that?
4. 4.A train leaves at 12:20 and reaches at 15:30. How long is the journey (in minutes)?
5. 5.A train leaves at 15:10 and reaches at 15:40. How long is the journey (in minutes)?
6. 6.Write 9:00 a.m. in 24-hour time. (a) 11:00 (b) 21:00 (c) 09:00
7. 7.What is 02:30 in 12-hour time? (a) 4:30 a.m. (b) 2:30 p.m. (c) 2:30 a.m.
8. 8.A film is 2 hours 45 minutes long. How many minutes is that?
9. 9.What is 11:05 in 12-hour time? (a) 11:05 p.m. (b) 1:05 a.m. (c) 11:05 a.m.
10. 10.Write 8:50 p.m. in 24-hour time. (a) 22:50 (b) 08:50 (c) 20:50
11. 11.Write 3:10 a.m. in 24-hour time. (a) 03:10 (b) 15:10 (c) 05:10
12. 12.A film is 4 hours 10 minutes long. How many minutes is that?
13. 13.A train leaves at 13:05 and reaches at 16:25. How long is the journey (in minutes)?
14. 14.A train leaves at 10:45 and reaches at 11:20. How long is the journey (in minutes)?
15. 15.What is 16:40 in 12-hour time? (a) 4:40 a.m. (b) 4:40 p.m. (c) 6:40 p.m.
16. 16.Write 8:45 a.m. in 24-hour time. (a) 20:45 (b) 08:45 (c) 10:45
17. 17.Write 8:25 p.m. in 24-hour time. (a) 08:25 (b) 20:25 (c) 22:25
18. 18.What is 07:10 in 12-hour time? (a) 9:10 a.m. (b) 7:10 p.m. (c) 7:10 a.m.
19. 19.A train leaves at 07:40 and reaches at 08:45. How long is the journey (in minutes)?
20. 20.What is 14:20 in 12-hour time? (a) 2:20 p.m. (b) 2:20 a.m. (c) 4:20 p.m.
21. 21.A film is 2 hours 25 minutes long. How many minutes is that?
22. 22.A film is 2 hours 20 minutes long. How many minutes is that?
23. 23.A match starts at 12:55 and lasts 2 hours 5 minutes. At what time does it end? (a) 14:00 (b) 16:00 (c) 15:00
24. 24.A match starts at 18:25 and lasts 2 hours. At what time does it end? (a) 19:25 (b) 21:25 (c) 20:25
25. 25.A film is 4 hours 50 minutes long. How many minutes is that?
26. 26.A train leaves at 14:15 and reaches at 16:30. How long is the journey (in minutes)?
27. 27.Write 3:50 a.m. in 24-hour time. (a) 15:50 (b) 03:50 (c) 05:50
28. 28.What is 07:50 in 12-hour time? (a) 7:50 p.m. (b) 7:50 a.m. (c) 9:50 a.m.
29. 29.How many hours are there from 10:00 to 19:00?
30. 30.A train leaves at 07:00 and reaches at 08:15. How long is the journey (in minutes)?
31. 31.How many hours are there from 05:00 to 20:00?
32. 32.A film is 1 hour 40 minutes long. How many minutes is that?
33. 33.A train leaves at 07:50 and reaches at 10:30. How long is the journey (in minutes)?
34. 34.What is 14:05 in 12-hour time? (a) 2:05 a.m. (b) 2:05 p.m. (c) 4:05 p.m.
35. 35.How many hours are there from 11:00 to 21:00?
36. 36.A film is 2 hours 55 minutes long. How many minutes is that?
37. 37.What is 18:05 in 12-hour time? (a) 6:05 p.m. (b) 6:05 a.m. (c) 8:05 p.m.
38. 38.What is 19:10 in 12-hour time? (a) 9:10 p.m. (b) 7:10 a.m. (c) 7:10 p.m.
39. 39.A train leaves at 10:55 and reaches at 12:10. How long is the journey (in minutes)?
40. 40.What is 19:30 in 12-hour time? (a) 7:30 a.m. (b) 7:30 p.m. (c) 9:30 p.m.

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