Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 954 · 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 09:20 and lasts 1 hour. At what time does it end? (a) 10:20 (b) 11:20 (c) 09:20
2. 2.What is 22:25 in 12-hour time? (a) 12:25 p.m. (b) 10:25 p.m. (c) 10:25 a.m.
3. 3.A train leaves at 12:45 and reaches at 15:35. How long is the journey (in minutes)?
4. 4.What is 11:00 in 12-hour time? (a) 11:00 p.m. (b) 11:00 a.m. (c) 1:00 a.m.
5. 5.A film is 2 hours 5 minutes long. How many minutes is that?
6. 6.Write 3:50 a.m. in 24-hour time. (a) 05:50 (b) 15:50 (c) 03:50
7. 7.A train leaves at 08:40 and reaches at 09:30. How long is the journey (in minutes)?
8. 8.Write 6:00 a.m. in 24-hour time. (a) 08:00 (b) 06:00 (c) 18:00
9. 9.How many hours are there from 06:00 to 09:00?
10. 10.A match starts at 15:30 and lasts 4 hours 5 minutes. At what time does it end? (a) 20:35 (b) 18:35 (c) 19:35
11. 11.What is 11:15 in 12-hour time? (a) 1:15 a.m. (b) 11:15 a.m. (c) 11:15 p.m.
12. 12.A train leaves at 18:45 and reaches at 19:10. How long is the journey (in minutes)?
13. 13.A train leaves at 09:20 and reaches at 11:20. How long is the journey (in minutes)?
14. 14.A film is 4 hours 20 minutes long. How many minutes is that?
15. 15.Write 6:45 p.m. in 24-hour time. (a) 18:45 (b) 20:45 (c) 06:45
16. 16.A match starts at 10:05 and lasts 3 hours 25 minutes. At what time does it end? (a) 14:30 (b) 13:30 (c) 12:30
17. 17.How many hours are there from 07:00 to 21:00?
18. 18.What is 13:35 in 12-hour time? (a) 1:35 a.m. (b) 3:35 p.m. (c) 1:35 p.m.
19. 19.A film is 1 hour 5 minutes long. How many minutes is that?
20. 20.How many hours are there from 09:00 to 20:00?
21. 21.What is 01:40 in 12-hour time? (a) 1:40 p.m. (b) 1:40 a.m. (c) 3:40 a.m.
22. 22.What is 23:55 in 12-hour time? (a) 11:55 p.m. (b) 11:55 a.m. (c) 1:55 p.m.
23. 23.What is 13:20 in 12-hour time? (a) 1:20 a.m. (b) 3:20 p.m. (c) 1:20 p.m.
24. 24.A train leaves at 06:45 and reaches at 09:25. How long is the journey (in minutes)?
25. 25.A train leaves at 17:05 and reaches at 18:10. How long is the journey (in minutes)?
26. 26.A train leaves at 12:10 and reaches at 12:45. How long is the journey (in minutes)?
27. 27.A match starts at 16:30 and lasts 3 hours 5 minutes. At what time does it end? (a) 19:35 (b) 20:35 (c) 18:35
28. 28.A train leaves at 08:55 and reaches at 10:55. How long is the journey (in minutes)?
29. 29.What is 14:40 in 12-hour time? (a) 2:40 a.m. (b) 2:40 p.m. (c) 4:40 p.m.
30. 30.Write 11:20 a.m. in 24-hour time. (a) 23:20 (b) 13:20 (c) 11:20
31. 31.What is 01:35 in 12-hour time? (a) 1:35 p.m. (b) 1:35 a.m. (c) 3:35 a.m.
32. 32.How many hours are there from 11:00 to 17:00?
33. 33.A match starts at 10:50 and lasts 2 hours 40 minutes. At what time does it end? (a) 14:30 (b) 13:30 (c) 12:30
34. 34.A film is 3 hours 10 minutes long. How many minutes is that?
35. 35.A match starts at 12:15 and lasts 2 hours 25 minutes. At what time does it end? (a) 15:40 (b) 13:40 (c) 14:40
36. 36.How many hours are there from 10:00 to 16:00?
37. 37.Write 2:45 p.m. in 24-hour time. (a) 16:45 (b) 02:45 (c) 14:45
38. 38.A film is 1 hour 10 minutes long. How many minutes is that?
39. 39.A match starts at 13:10 and lasts 2 hours 15 minutes. At what time does it end? (a) 14:25 (b) 16:25 (c) 15:25
40. 40.How many hours are there from 09:00 to 12:00?

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