Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 568 · 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 film is 4 hours 30 minutes long. How many minutes is that?
2. 2.A match starts at 08:05 and lasts 4 hours 5 minutes. At what time does it end? (a) 12:10 (b) 11:10 (c) 13:10
3. 3.What is 20:05 in 12-hour time? (a) 8:05 p.m. (b) 8:05 a.m. (c) 10:05 p.m.
4. 4.What is 04:45 in 12-hour time? (a) 4:45 a.m. (b) 4:45 p.m. (c) 6:45 a.m.
5. 5.A film is 4 hours 15 minutes long. How many minutes is that?
6. 6.A film is 1 hour 30 minutes long. How many minutes is that?
7. 7.Write 11:20 p.m. in 24-hour time. (a) 01:20 (b) 23:20 (c) 11:20
8. 8.A train leaves at 16:05 and reaches at 16:45. How long is the journey (in minutes)?
9. 9.What is 22:50 in 12-hour time? (a) 10:50 p.m. (b) 10:50 a.m. (c) 12:50 p.m.
10. 10.How many hours are there from 09:00 to 14:00?
11. 11.A train leaves at 11:45 and reaches at 12:40. How long is the journey (in minutes)?
12. 12.Write 11:25 p.m. in 24-hour time. (a) 01:25 (b) 23:25 (c) 11:25
13. 13.A film is 4 hours 55 minutes long. How many minutes is that?
14. 14.What is 14:15 in 12-hour time? (a) 2:15 p.m. (b) 4:15 p.m. (c) 2:15 a.m.
15. 15.How many hours are there from 10:00 to 12:00?
16. 16.A film is 2 hours 55 minutes long. How many minutes is that?
17. 17.A film is 1 hour 50 minutes long. How many minutes is that?
18. 18.A film is 2 hours 35 minutes long. How many minutes is that?
19. 19.How many hours are there from 09:00 to 13:00?
20. 20.How many hours are there from 05:00 to 21:00?
21. 21.A match starts at 12:10 and lasts 2 hours 5 minutes. At what time does it end? (a) 14:15 (b) 15:15 (c) 13:15
22. 22.A match starts at 12:00 and lasts 4 hours 20 minutes. At what time does it end? (a) 17:20 (b) 15:20 (c) 16:20
23. 23.A match starts at 15:40 and lasts 4 hours 50 minutes. At what time does it end? (a) 20:30 (b) 21:30 (c) 19:30
24. 24.What is 10:15 in 12-hour time? (a) 12:15 a.m. (b) 10:15 p.m. (c) 10:15 a.m.
25. 25.A film is 1 hour 20 minutes long. How many minutes is that?
26. 26.Write 6:10 a.m. in 24-hour time. (a) 06:10 (b) 08:10 (c) 18:10
27. 27.Write 3:20 a.m. in 24-hour time. (a) 15:20 (b) 03:20 (c) 05:20
28. 28.A train leaves at 12:55 and reaches at 14:15. How long is the journey (in minutes)?
29. 29.Write 1:15 a.m. in 24-hour time. (a) 03:15 (b) 13:15 (c) 01:15
30. 30.How many hours are there from 05:00 to 10:00?
31. 31.How many hours are there from 12:00 to 17:00?
32. 32.What is 03:20 in 12-hour time? (a) 3:20 p.m. (b) 5:20 a.m. (c) 3:20 a.m.
33. 33.A match starts at 12:40 and lasts 4 hours 30 minutes. At what time does it end? (a) 18:10 (b) 16:10 (c) 17:10
34. 34.A match starts at 07:45 and lasts 3 hours 35 minutes. At what time does it end? (a) 10:20 (b) 12:20 (c) 11:20
35. 35.How many hours are there from 12:00 to 15:00?
36. 36.Write 3:55 a.m. in 24-hour time. (a) 03:55 (b) 15:55 (c) 05:55
37. 37.How many hours are there from 07:00 to 13:00?
38. 38.A train leaves at 07:20 and reaches at 10:20. 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 17:00 and lasts 2 hours 15 minutes. At what time does it end? (a) 19:15 (b) 18:15 (c) 20:15

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