Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 127 · 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 1 hour 5 minutes long. How many minutes is that?
2. 2.How many hours are there from 10:00 to 20:00?
3. 3.Write 9:15 p.m. in 24-hour time. (a) 23:15 (b) 09:15 (c) 21:15
4. 4.Write 7:50 p.m. in 24-hour time. (a) 19:50 (b) 21:50 (c) 07:50
5. 5.A match starts at 14:05 and lasts 2 hours 25 minutes. At what time does it end? (a) 15:30 (b) 16:30 (c) 17:30
6. 6.A train leaves at 17:15 and reaches at 20:10. How long is the journey (in minutes)?
7. 7.What is 20:25 in 12-hour time? (a) 10:25 p.m. (b) 8:25 p.m. (c) 8:25 a.m.
8. 8.A train leaves at 13:55 and reaches at 16:20. How long is the journey (in minutes)?
9. 9.Write 4:50 a.m. in 24-hour time. (a) 16:50 (b) 06:50 (c) 04:50
10. 10.A train leaves at 15:35 and reaches at 17:30. How long is the journey (in minutes)?
11. 11.Write 4:15 p.m. in 24-hour time. (a) 04:15 (b) 18:15 (c) 16:15
12. 12.A train leaves at 17:50 and reaches at 18:30. How long is the journey (in minutes)?
13. 13.A match starts at 10:35 and lasts 4 hours 10 minutes. At what time does it end? (a) 15:45 (b) 13:45 (c) 14:45
14. 14.A train leaves at 17:10 and reaches at 18:25. How long is the journey (in minutes)?
15. 15.A film is 2 hours 50 minutes long. How many minutes is that?
16. 16.A match starts at 08:55 and lasts 1 hour 25 minutes. At what time does it end? (a) 11:20 (b) 09:20 (c) 10:20
17. 17.What is 22:20 in 12-hour time? (a) 10:20 p.m. (b) 12:20 p.m. (c) 10:20 a.m.
18. 18.A film is 2 hours 40 minutes long. How many minutes is that?
19. 19.A train leaves at 09:30 and reaches at 12:40. How long is the journey (in minutes)?
20. 20.A match starts at 14:20 and lasts 3 hours 55 minutes. At what time does it end? (a) 19:15 (b) 18:15 (c) 17:15
21. 21.What is 21:55 in 12-hour time? (a) 11:55 p.m. (b) 9:55 p.m. (c) 9:55 a.m.
22. 22.A match starts at 08:50 and lasts 3 hours 25 minutes. At what time does it end? (a) 12:15 (b) 13:15 (c) 11:15
23. 23.What is 18:10 in 12-hour time? (a) 6:10 a.m. (b) 8:10 p.m. (c) 6:10 p.m.
24. 24.What is 06:00 in 12-hour time? (a) 6:00 p.m. (b) 6:00 a.m. (c) 8:00 a.m.
25. 25.A match starts at 11:30 and lasts 1 hour 15 minutes. At what time does it end? (a) 11:45 (b) 12:45 (c) 13:45
26. 26.Write 1:15 a.m. in 24-hour time. (a) 13:15 (b) 03:15 (c) 01:15
27. 27.How many hours are there from 05:00 to 20:00?
28. 28.What is 09:05 in 12-hour time? (a) 9:05 p.m. (b) 9:05 a.m. (c) 11:05 a.m.
29. 29.How many hours are there from 05:00 to 13:00?
30. 30.Write 7:20 p.m. in 24-hour time. (a) 07:20 (b) 19:20 (c) 21:20
31. 31.Write 8:05 p.m. in 24-hour time. (a) 22:05 (b) 20:05 (c) 08:05
32. 32.A train leaves at 16:10 and reaches at 16:45. How long is the journey (in minutes)?
33. 33.How many hours are there from 09:00 to 18:00?
34. 34.A match starts at 18:00 and lasts 1 hour 50 minutes. At what time does it end? (a) 19:50 (b) 20:50 (c) 18:50
35. 35.How many hours are there from 05:00 to 11:00?
36. 36.How many hours are there from 08:00 to 20:00?
37. 37.A film is 1 hour 25 minutes long. How many minutes is that?
38. 38.A match starts at 17:40 and lasts 3 hours 35 minutes. At what time does it end? (a) 21:15 (b) 20:15 (c) 22:15
39. 39.A film is 4 hours 25 minutes long. How many minutes is that?
40. 40.What is 11:20 in 12-hour time? (a) 1:20 a.m. (b) 11:20 p.m. (c) 11:20 a.m.

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