Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 814 · 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 5:05 a.m. in 24-hour time. (a) 17:05 (b) 07:05 (c) 05:05
2. 2.Write 2:40 a.m. in 24-hour time. (a) 04:40 (b) 02:40 (c) 14:40
3. 3.A train leaves at 07:45 and reaches at 09:20. How long is the journey (in minutes)?
4. 4.A film is 3 hours 20 minutes long. How many minutes is that?
5. 5.What is 09:15 in 12-hour time? (a) 9:15 a.m. (b) 9:15 p.m. (c) 11:15 a.m.
6. 6.A match starts at 09:00 and lasts 3 hours 45 minutes. At what time does it end? (a) 13:45 (b) 11:45 (c) 12:45
7. 7.How many hours are there from 11:00 to 22:00?
8. 8.What is 10:55 in 12-hour time? (a) 10:55 a.m. (b) 10:55 p.m. (c) 12:55 a.m.
9. 9.Write 4:30 p.m. in 24-hour time. (a) 18:30 (b) 04:30 (c) 16:30
10. 10.A match starts at 18:50 and lasts 4 hours 45 minutes. At what time does it end? (a) 23:35 (b) 22:35 (c) 00:35
11. 11.A match starts at 09:05 and lasts 3 hours 45 minutes. At what time does it end? (a) 11:50 (b) 12:50 (c) 13:50
12. 12.How many hours are there from 07:00 to 10:00?
13. 13.How many hours are there from 07:00 to 22:00?
14. 14.A match starts at 11:20 and lasts 3 hours 55 minutes. At what time does it end? (a) 16:15 (b) 15:15 (c) 14:15
15. 15.Write 10:40 p.m. in 24-hour time. (a) 10:40 (b) 22:40 (c) 00:40
16. 16.A match starts at 14:15 and lasts 1 hour 5 minutes. At what time does it end? (a) 16:20 (b) 15:20 (c) 14:20
17. 17.What is 11:40 in 12-hour time? (a) 11:40 p.m. (b) 11:40 a.m. (c) 1:40 a.m.
18. 18.How many hours are there from 08:00 to 16:00?
19. 19.What is 21:30 in 12-hour time? (a) 9:30 a.m. (b) 11:30 p.m. (c) 9:30 p.m.
20. 20.A film is 1 hour 5 minutes long. How many minutes is that?
21. 21.What is 09:30 in 12-hour time? (a) 9:30 a.m. (b) 11:30 a.m. (c) 9:30 p.m.
22. 22.What is 15:00 in 12-hour time? (a) 3:00 p.m. (b) 5:00 p.m. (c) 3:00 a.m.
23. 23.A train leaves at 13:20 and reaches at 14:00. How long is the journey (in minutes)?
24. 24.Write 9:10 a.m. in 24-hour time. (a) 21:10 (b) 11:10 (c) 09:10
25. 25.Write 2:15 a.m. in 24-hour time. (a) 02:15 (b) 04:15 (c) 14:15
26. 26.A train leaves at 10:35 and reaches at 12:55. How long is the journey (in minutes)?
27. 27.A train leaves at 19:45 and reaches at 21:45. How long is the journey (in minutes)?
28. 28.A train leaves at 11:10 and reaches at 13:00. How long is the journey (in minutes)?
29. 29.A train leaves at 08:10 and reaches at 11:15. How long is the journey (in minutes)?
30. 30.How many hours are there from 08:00 to 14:00?
31. 31.A match starts at 15:30 and lasts 1 hour 5 minutes. At what time does it end? (a) 17:35 (b) 15:35 (c) 16:35
32. 32.How many hours are there from 05:00 to 16:00?
33. 33.What is 05:15 in 12-hour time? (a) 5:15 a.m. (b) 7:15 a.m. (c) 5:15 p.m.
34. 34.A match starts at 07:20 and lasts 4 hours 15 minutes. At what time does it end? (a) 12:35 (b) 10:35 (c) 11:35
35. 35.A match starts at 09:00 and lasts 3 hours 20 minutes. At what time does it end? (a) 13:20 (b) 11:20 (c) 12:20
36. 36.How many hours are there from 06:00 to 23:00?
37. 37.A film is 2 hours 25 minutes long. How many minutes is that?
38. 38.How many hours are there from 09:00 to 13:00?
39. 39.How many hours are there from 06:00 to 19:00?
40. 40.A match starts at 11:45 and lasts 3 hours 10 minutes. At what time does it end? (a) 15:55 (b) 13:55 (c) 14:55

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