Class 4 Maths Worksheet: 24-Hour Clock

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

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