Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 491 · 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 11:30 in 12-hour time? (a) 1:30 a.m. (b) 11:30 a.m. (c) 11:30 p.m.
2. 2.What is 11:15 in 12-hour time? (a) 1:15 a.m. (b) 11:15 p.m. (c) 11:15 a.m.
3. 3.A train leaves at 07:05 and reaches at 09:00. How long is the journey (in minutes)?
4. 4.What is 15:30 in 12-hour time? (a) 3:30 a.m. (b) 3:30 p.m. (c) 5:30 p.m.
5. 5.How many hours are there from 06:00 to 12:00?
6. 6.How many hours are there from 05:00 to 08:00?
7. 7.What is 09:15 in 12-hour time? (a) 11:15 a.m. (b) 9:15 a.m. (c) 9:15 p.m.
8. 8.How many hours are there from 07:00 to 21:00?
9. 9.A film is 1 hour 20 minutes long. How many minutes is that?
10. 10.A train leaves at 10:25 and reaches at 11:05. How long is the journey (in minutes)?
11. 11.A train leaves at 12:15 and reaches at 15:25. How long is the journey (in minutes)?
12. 12.A film is 3 hours 35 minutes long. How many minutes is that?
13. 13.A train leaves at 17:00 and reaches at 18:00. How long is the journey (in minutes)?
14. 14.A match starts at 11:05 and lasts 2 hours 5 minutes. At what time does it end? (a) 14:10 (b) 13:10 (c) 12:10
15. 15.A film is 4 hours 30 minutes long. How many minutes is that?
16. 16.A train leaves at 08:05 and reaches at 08:50. How long is the journey (in minutes)?
17. 17.What is 09:00 in 12-hour time? (a) 9:00 p.m. (b) 9:00 a.m. (c) 11:00 a.m.
18. 18.What is 13:35 in 12-hour time? (a) 1:35 a.m. (b) 1:35 p.m. (c) 3:35 p.m.
19. 19.Write 4:45 p.m. in 24-hour time. (a) 16:45 (b) 18:45 (c) 04:45
20. 20.What is 08:20 in 12-hour time? (a) 8:20 p.m. (b) 8:20 a.m. (c) 10:20 a.m.
21. 21.How many hours are there from 11:00 to 13:00?
22. 22.A train leaves at 09:10 and reaches at 11:35. How long is the journey (in minutes)?
23. 23.A film is 4 hours 35 minutes long. How many minutes is that?
24. 24.A match starts at 18:15 and lasts 2 hours 55 minutes. At what time does it end? (a) 22:10 (b) 20:10 (c) 21:10
25. 25.A train leaves at 09:35 and reaches at 11:35. How long is the journey (in minutes)?
26. 26.What is 02:40 in 12-hour time? (a) 2:40 a.m. (b) 2:40 p.m. (c) 4:40 a.m.
27. 27.A film is 1 hour 45 minutes long. How many minutes is that?
28. 28.A match starts at 08:40 and lasts 1 hour 40 minutes. At what time does it end? (a) 09:20 (b) 11:20 (c) 10:20
29. 29.A film is 4 hours 45 minutes long. How many minutes is that?
30. 30.Write 11:00 p.m. in 24-hour time. (a) 11:00 (b) 01:00 (c) 23:00
31. 31.Write 4:40 a.m. in 24-hour time. (a) 06:40 (b) 16:40 (c) 04:40
32. 32.What is 08:35 in 12-hour time? (a) 8:35 a.m. (b) 8:35 p.m. (c) 10:35 a.m.
33. 33.A match starts at 07:45 and lasts 1 hour 40 minutes. At what time does it end? (a) 08:25 (b) 09:25 (c) 10:25
34. 34.What is 19:15 in 12-hour time? (a) 9:15 p.m. (b) 7:15 a.m. (c) 7:15 p.m.
35. 35.A train leaves at 19:25 and reaches at 20:15. How long is the journey (in minutes)?
36. 36.A train leaves at 06:45 and reaches at 09:40. How long is the journey (in minutes)?
37. 37.Write 10:20 p.m. in 24-hour time. (a) 00:20 (b) 10:20 (c) 22:20
38. 38.How many hours are there from 05:00 to 09:00?
39. 39.How many hours are there from 08:00 to 11:00?
40. 40.What is 03:45 in 12-hour time? (a) 3:45 p.m. (b) 5:45 a.m. (c) 3:45 a.m.

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