Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 140 · 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 13:00 and reaches at 15:30. How long is the journey (in minutes)?
2. 2.A match starts at 11:40 and lasts 2 hours 50 minutes. At what time does it end? (a) 15:30 (b) 14:30 (c) 13:30
3. 3.What is 18:40 in 12-hour time? (a) 6:40 a.m. (b) 8:40 p.m. (c) 6:40 p.m.
4. 4.What is 15:45 in 12-hour time? (a) 3:45 p.m. (b) 5:45 p.m. (c) 3:45 a.m.
5. 5.How many hours are there from 09:00 to 21:00?
6. 6.A film is 3 hours 50 minutes long. How many minutes is that?
7. 7.A film is 2 hours 55 minutes long. How many minutes is that?
8. 8.How many hours are there from 09:00 to 13:00?
9. 9.A match starts at 06:05 and lasts 4 hours 5 minutes. At what time does it end? (a) 10:10 (b) 09:10 (c) 11:10
10. 10.How many hours are there from 07:00 to 16:00?
11. 11.A match starts at 10:30 and lasts 2 hours 55 minutes. At what time does it end? (a) 12:25 (b) 14:25 (c) 13:25
12. 12.How many hours are there from 06:00 to 11:00?
13. 13.Write 9:05 p.m. in 24-hour time. (a) 23:05 (b) 09:05 (c) 21:05
14. 14.A film is 2 hours 40 minutes long. How many minutes is that?
15. 15.A match starts at 18:35 and lasts 1 hour 35 minutes. At what time does it end? (a) 19:10 (b) 20:10 (c) 21:10
16. 16.Write 7:40 a.m. in 24-hour time. (a) 07:40 (b) 19:40 (c) 09:40
17. 17.A train leaves at 11:10 and reaches at 12:05. How long is the journey (in minutes)?
18. 18.A train leaves at 19:10 and reaches at 21:40. How long is the journey (in minutes)?
19. 19.A train leaves at 06:40 and reaches at 07:45. How long is the journey (in minutes)?
20. 20.Write 9:45 a.m. in 24-hour time. (a) 21:45 (b) 11:45 (c) 09:45
21. 21.A film is 1 hour 55 minutes long. How many minutes is that?
22. 22.What is 03:40 in 12-hour time? (a) 3:40 p.m. (b) 5:40 a.m. (c) 3:40 a.m.
23. 23.A train leaves at 13:50 and reaches at 17:05. How long is the journey (in minutes)?
24. 24.A match starts at 08:55 and lasts 3 hours 25 minutes. At what time does it end? (a) 12:20 (b) 13:20 (c) 11:20
25. 25.Write 6:00 a.m. in 24-hour time. (a) 18:00 (b) 08:00 (c) 06:00
26. 26.A film is 1 hour 30 minutes long. How many minutes is that?
27. 27.What is 04:50 in 12-hour time? (a) 6:50 a.m. (b) 4:50 p.m. (c) 4:50 a.m.
28. 28.A film is 2 hours 45 minutes long. How many minutes is that?
29. 29.Write 11:20 a.m. in 24-hour time. (a) 11:20 (b) 23:20 (c) 13:20
30. 30.What is 14:05 in 12-hour time? (a) 2:05 a.m. (b) 2:05 p.m. (c) 4:05 p.m.
31. 31.Write 7:20 a.m. in 24-hour time. (a) 09:20 (b) 07:20 (c) 19:20
32. 32.A match starts at 13:15 and lasts 4 hours 10 minutes. At what time does it end? (a) 16:25 (b) 18:25 (c) 17:25
33. 33.What is 11:25 in 12-hour time? (a) 1:25 a.m. (b) 11:25 p.m. (c) 11:25 a.m.
34. 34.How many hours are there from 05:00 to 19:00?
35. 35.Write 2:20 a.m. in 24-hour time. (a) 04:20 (b) 14:20 (c) 02:20
36. 36.A film is 1 hour 20 minutes long. How many minutes is that?
37. 37.A match starts at 13:25 and lasts 3 hours 40 minutes. At what time does it end? (a) 17:05 (b) 16:05 (c) 18:05
38. 38.How many hours are there from 11:00 to 17:00?
39. 39.Write 8:30 p.m. in 24-hour time. (a) 08:30 (b) 22:30 (c) 20:30
40. 40.A film is 4 hours 45 minutes long. How many minutes is that?

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