Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 535 · 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.How many hours are there from 11:00 to 13:00?
2. 2.Write 2:05 p.m. in 24-hour time. (a) 02:05 (b) 16:05 (c) 14:05
3. 3.A film is 3 hours 20 minutes long. How many minutes is that?
4. 4.A film is 1 hour 5 minutes long. How many minutes is that?
5. 5.A film is 3 hours 35 minutes long. How many minutes is that?
6. 6.A film is 3 hours 55 minutes long. How many minutes is that?
7. 7.A train leaves at 12:10 and reaches at 12:35. How long is the journey (in minutes)?
8. 8.Write 9:55 p.m. in 24-hour time. (a) 23:55 (b) 09:55 (c) 21:55
9. 9.A film is 3 hours 10 minutes long. How many minutes is that?
10. 10.A film is 2 hours 10 minutes long. How many minutes is that?
11. 11.Write 5:00 a.m. in 24-hour time. (a) 17:00 (b) 05:00 (c) 07:00
12. 12.A film is 2 hours 35 minutes long. How many minutes is that?
13. 13.A train leaves at 19:30 and reaches at 22:15. How long is the journey (in minutes)?
14. 14.What is 18:40 in 12-hour time? (a) 8:40 p.m. (b) 6:40 a.m. (c) 6:40 p.m.
15. 15.A match starts at 13:40 and lasts 1 hour 50 minutes. At what time does it end? (a) 15:30 (b) 16:30 (c) 14:30
16. 16.A match starts at 07:45 and lasts 3 hours. At what time does it end? (a) 11:45 (b) 09:45 (c) 10:45
17. 17.A match starts at 10:25 and lasts 3 hours 30 minutes. At what time does it end? (a) 13:55 (b) 14:55 (c) 12:55
18. 18.What is 08:35 in 12-hour time? (a) 10:35 a.m. (b) 8:35 a.m. (c) 8:35 p.m.
19. 19.A train leaves at 09:05 and reaches at 10:25. How long is the journey (in minutes)?
20. 20.Write 2:50 p.m. in 24-hour time. (a) 16:50 (b) 14:50 (c) 02:50
21. 21.A match starts at 10:10 and lasts 2 hours. At what time does it end? (a) 11:10 (b) 13:10 (c) 12:10
22. 22.A match starts at 16:20 and lasts 2 hours 40 minutes. At what time does it end? (a) 20:00 (b) 18:00 (c) 19:00
23. 23.A train leaves at 09:05 and reaches at 12:00. How long is the journey (in minutes)?
24. 24.Write 10:40 a.m. in 24-hour time. (a) 22:40 (b) 10:40 (c) 12:40
25. 25.How many hours are there from 06:00 to 10:00?
26. 26.What is 02:45 in 12-hour time? (a) 2:45 p.m. (b) 2:45 a.m. (c) 4:45 a.m.
27. 27.What is 07:30 in 12-hour time? (a) 7:30 a.m. (b) 9:30 a.m. (c) 7:30 p.m.
28. 28.How many hours are there from 07:00 to 22:00?
29. 29.A train leaves at 18:05 and reaches at 20:20. How long is the journey (in minutes)?
30. 30.What is 22:25 in 12-hour time? (a) 12:25 p.m. (b) 10:25 p.m. (c) 10:25 a.m.
31. 31.Write 10:30 p.m. in 24-hour time. (a) 22:30 (b) 10:30 (c) 00:30
32. 32.Write 5:10 a.m. in 24-hour time. (a) 07:10 (b) 17:10 (c) 05:10
33. 33.A train leaves at 06:30 and reaches at 07:50. How long is the journey (in minutes)?
34. 34.A match starts at 14:00 and lasts 4 hours 30 minutes. At what time does it end? (a) 19:30 (b) 17:30 (c) 18:30
35. 35.What is 22:10 in 12-hour time? (a) 12:10 p.m. (b) 10:10 a.m. (c) 10:10 p.m.
36. 36.A match starts at 16:35 and lasts 4 hours 15 minutes. At what time does it end? (a) 20:50 (b) 21:50 (c) 19:50
37. 37.A film is 4 hours 55 minutes long. How many minutes is that?
38. 38.What is 10:40 in 12-hour time? (a) 10:40 p.m. (b) 12:40 a.m. (c) 10:40 a.m.
39. 39.A film is 2 hours 20 minutes long. How many minutes is that?
40. 40.Write 11:30 a.m. in 24-hour time. (a) 11:30 (b) 13:30 (c) 23:30

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