Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 633 · 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 train leaves at 16:05 and reaches at 17:40. How long is the journey (in minutes)?
2. 2.A film is 3 hours 30 minutes long. How many minutes is that?
3. 3.A film is 1 hour 10 minutes long. How many minutes is that?
4. 4.A match starts at 07:55 and lasts 4 hours. At what time does it end? (a) 10:55 (b) 12:55 (c) 11:55
5. 5.A film is 1 hour 35 minutes long. How many minutes is that?
6. 6.What is 21:35 in 12-hour time? (a) 11:35 p.m. (b) 9:35 a.m. (c) 9:35 p.m.
7. 7.What is 01:45 in 12-hour time? (a) 1:45 p.m. (b) 3:45 a.m. (c) 1:45 a.m.
8. 8.How many hours are there from 09:00 to 11:00?
9. 9.What is 11:20 in 12-hour time? (a) 1:20 a.m. (b) 11:20 p.m. (c) 11:20 a.m.
10. 10.A match starts at 12:35 and lasts 1 hour. At what time does it end? (a) 13:35 (b) 12:35 (c) 14:35
11. 11.A film is 2 hours 20 minutes long. How many minutes is that?
12. 12.What is 19:25 in 12-hour time? (a) 9:25 p.m. (b) 7:25 a.m. (c) 7:25 p.m.
13. 13.How many hours are there from 11:00 to 13:00?
14. 14.A train leaves at 10:35 and reaches at 11:35. How long is the journey (in minutes)?
15. 15.A train leaves at 18:45 and reaches at 21:10. How long is the journey (in minutes)?
16. 16.What is 11:40 in 12-hour time? (a) 11:40 a.m. (b) 1:40 a.m. (c) 11:40 p.m.
17. 17.A train leaves at 18:10 and reaches at 20:10. How long is the journey (in minutes)?
18. 18.What is 22:45 in 12-hour time? (a) 12:45 p.m. (b) 10:45 p.m. (c) 10:45 a.m.
19. 19.How many hours are there from 08:00 to 21:00?
20. 20.Write 10:00 p.m. in 24-hour time. (a) 00:00 (b) 22:00 (c) 10:00
21. 21.Write 6:20 a.m. in 24-hour time. (a) 08:20 (b) 06:20 (c) 18:20
22. 22.A film is 3 hours 40 minutes long. How many minutes is that?
23. 23.A match starts at 14:25 and lasts 1 hour 25 minutes. At what time does it end? (a) 16:50 (b) 14:50 (c) 15:50
24. 24.Write 3:35 p.m. in 24-hour time. (a) 17:35 (b) 15:35 (c) 03:35
25. 25.A train leaves at 17:35 and reaches at 20:20. How long is the journey (in minutes)?
26. 26.A match starts at 13:35 and lasts 4 hours 25 minutes. At what time does it end? (a) 19:00 (b) 17:00 (c) 18:00
27. 27.A train leaves at 10:00 and reaches at 10:55. How long is the journey (in minutes)?
28. 28.A film is 3 hours 5 minutes long. How many minutes is that?
29. 29.A film is 3 hours 45 minutes long. How many minutes is that?
30. 30.A film is 4 hours 15 minutes long. How many minutes is that?
31. 31.Write 1:10 a.m. in 24-hour time. (a) 13:10 (b) 03:10 (c) 01:10
32. 32.What is 18:30 in 12-hour time? (a) 8:30 p.m. (b) 6:30 a.m. (c) 6:30 p.m.
33. 33.What is 15:25 in 12-hour time? (a) 5:25 p.m. (b) 3:25 a.m. (c) 3:25 p.m.
34. 34.A train leaves at 07:45 and reaches at 09:40. How long is the journey (in minutes)?
35. 35.What is 15:05 in 12-hour time? (a) 3:05 a.m. (b) 3:05 p.m. (c) 5:05 p.m.
36. 36.A match starts at 16:15 and lasts 4 hours 15 minutes. At what time does it end? (a) 19:30 (b) 20:30 (c) 21:30
37. 37.What is 03:00 in 12-hour time? (a) 3:00 p.m. (b) 3:00 a.m. (c) 5:00 a.m.
38. 38.A match starts at 09:10 and lasts 2 hours. At what time does it end? (a) 10:10 (b) 12:10 (c) 11:10
39. 39.What is 21:40 in 12-hour time? (a) 9:40 a.m. (b) 9:40 p.m. (c) 11:40 p.m.
40. 40.What is 22:50 in 12-hour time? (a) 10:50 a.m. (b) 10:50 p.m. (c) 12:50 p.m.

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