Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 699 · 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.Write 11:15 a.m. in 24-hour time. (a) 23:15 (b) 11:15 (c) 13:15
2. 2.What is 16:10 in 12-hour time? (a) 4:10 a.m. (b) 6:10 p.m. (c) 4:10 p.m.
3. 3.A film is 3 hours 5 minutes long. How many minutes is that?
4. 4.Write 5:45 p.m. in 24-hour time. (a) 19:45 (b) 17:45 (c) 05:45
5. 5.A train leaves at 19:40 and reaches at 22:25. How long is the journey (in minutes)?
6. 6.A film is 1 hour 45 minutes long. How many minutes is that?
7. 7.How many hours are there from 07:00 to 16:00?
8. 8.What is 20:00 in 12-hour time? (a) 8:00 a.m. (b) 10:00 p.m. (c) 8:00 p.m.
9. 9.A film is 3 hours 50 minutes long. How many minutes is that?
10. 10.A match starts at 06:20 and lasts 1 hour 5 minutes. At what time does it end? (a) 06:25 (b) 07:25 (c) 08:25
11. 11.A match starts at 07:10 and lasts 2 hours 5 minutes. At what time does it end? (a) 08:15 (b) 09:15 (c) 10:15
12. 12.How many hours are there from 05:00 to 11:00?
13. 13.A film is 1 hour 15 minutes long. How many minutes is that?
14. 14.What is 15:10 in 12-hour time? (a) 3:10 a.m. (b) 3:10 p.m. (c) 5:10 p.m.
15. 15.What is 02:30 in 12-hour time? (a) 4:30 a.m. (b) 2:30 a.m. (c) 2:30 p.m.
16. 16.How many hours are there from 08:00 to 21:00?
17. 17.A match starts at 08:35 and lasts 1 hour 30 minutes. At what time does it end? (a) 11:05 (b) 09:05 (c) 10:05
18. 18.A train leaves at 15:00 and reaches at 16:20. How long is the journey (in minutes)?
19. 19.A train leaves at 15:35 and reaches at 17:05. How long is the journey (in minutes)?
20. 20.A film is 1 hour 25 minutes long. How many minutes is that?
21. 21.A match starts at 06:30 and lasts 2 hours 5 minutes. At what time does it end? (a) 08:35 (b) 09:35 (c) 07:35
22. 22.A film is 4 hours 10 minutes long. How many minutes is that?
23. 23.A match starts at 18:15 and lasts 1 hour 20 minutes. At what time does it end? (a) 20:35 (b) 18:35 (c) 19:35
24. 24.Write 11:15 p.m. in 24-hour time. (a) 01:15 (b) 11:15 (c) 23:15
25. 25.A train leaves at 18:05 and reaches at 19:55. How long is the journey (in minutes)?
26. 26.How many hours are there from 06:00 to 23:00?
27. 27.How many hours are there from 05:00 to 16:00?
28. 28.Write 9:45 p.m. in 24-hour time. (a) 23:45 (b) 09:45 (c) 21:45
29. 29.A train leaves at 15:35 and reaches at 17:40. How long is the journey (in minutes)?
30. 30.A match starts at 13:20 and lasts 1 hour. At what time does it end? (a) 15:20 (b) 13:20 (c) 14:20
31. 31.What is 08:55 in 12-hour time? (a) 8:55 a.m. (b) 8:55 p.m. (c) 10:55 a.m.
32. 32.A train leaves at 11:20 and reaches at 13:50. How long is the journey (in minutes)?
33. 33.A train leaves at 12:45 and reaches at 15:25. How long is the journey (in minutes)?
34. 34.What is 06:35 in 12-hour time? (a) 6:35 a.m. (b) 8:35 a.m. (c) 6:35 p.m.
35. 35.How many hours are there from 06:00 to 09:00?
36. 36.What is 01:00 in 12-hour time? (a) 1:00 a.m. (b) 3:00 a.m. (c) 1:00 p.m.
37. 37.Write 8:00 p.m. in 24-hour time. (a) 20:00 (b) 22:00 (c) 08:00
38. 38.What is 22:25 in 12-hour time? (a) 10:25 p.m. (b) 12:25 p.m. (c) 10:25 a.m.
39. 39.How many hours are there from 12:00 to 19:00?
40. 40.Write 9:00 p.m. in 24-hour time. (a) 09:00 (b) 21:00 (c) 23:00

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