Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 331 · 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 match starts at 10:20 and lasts 3 hours 45 minutes. At what time does it end? (a) 13:05 (b) 15:05 (c) 14:05
2. 2.Write 5:35 a.m. in 24-hour time. (a) 07:35 (b) 05:35 (c) 17:35
3. 3.Write 6:30 p.m. in 24-hour time. (a) 18:30 (b) 06:30 (c) 20:30
4. 4.Write 1:20 p.m. in 24-hour time. (a) 15:20 (b) 13:20 (c) 01:20
5. 5.A train leaves at 16:30 and reaches at 17:40. How long is the journey (in minutes)?
6. 6.A film is 4 hours 50 minutes long. How many minutes is that?
7. 7.A train leaves at 17:25 and reaches at 20:40. How long is the journey (in minutes)?
8. 8.Write 9:40 a.m. in 24-hour time. (a) 11:40 (b) 09:40 (c) 21:40
9. 9.How many hours are there from 05:00 to 07:00?
10. 10.How many hours are there from 11:00 to 21:00?
11. 11.How many hours are there from 12:00 to 16:00?
12. 12.What is 04:40 in 12-hour time? (a) 4:40 a.m. (b) 4:40 p.m. (c) 6:40 a.m.
13. 13.What is 06:25 in 12-hour time? (a) 8:25 a.m. (b) 6:25 p.m. (c) 6:25 a.m.
14. 14.How many hours are there from 05:00 to 08:00?
15. 15.A match starts at 16:50 and lasts 1 hour. At what time does it end? (a) 17:50 (b) 18:50 (c) 16:50
16. 16.What is 11:25 in 12-hour time? (a) 11:25 a.m. (b) 11:25 p.m. (c) 1:25 a.m.
17. 17.What is 01:30 in 12-hour time? (a) 3:30 a.m. (b) 1:30 p.m. (c) 1:30 a.m.
18. 18.A film is 1 hour 15 minutes long. How many minutes is that?
19. 19.What is 20:40 in 12-hour time? (a) 8:40 a.m. (b) 10:40 p.m. (c) 8:40 p.m.
20. 20.A film is 2 hours 40 minutes long. How many minutes is that?
21. 21.A train leaves at 16:30 and reaches at 19:15. How long is the journey (in minutes)?
22. 22.A film is 4 hours 40 minutes long. How many minutes is that?
23. 23.Write 3:45 a.m. in 24-hour time. (a) 03:45 (b) 15:45 (c) 05:45
24. 24.How many hours are there from 08:00 to 16:00?
25. 25.Write 4:50 p.m. in 24-hour time. (a) 18:50 (b) 04:50 (c) 16:50
26. 26.A train leaves at 11:40 and reaches at 12:15. How long is the journey (in minutes)?
27. 27.What is 01:40 in 12-hour time? (a) 1:40 a.m. (b) 3:40 a.m. (c) 1:40 p.m.
28. 28.A film is 3 hours 45 minutes long. How many minutes is that?
29. 29.A match starts at 15:35 and lasts 1 hour 50 minutes. At what time does it end? (a) 17:25 (b) 16:25 (c) 18:25
30. 30.How many hours are there from 07:00 to 09:00?
31. 31.A match starts at 08:15 and lasts 2 hours 35 minutes. At what time does it end? (a) 11:50 (b) 09:50 (c) 10:50
32. 32.What is 22:20 in 12-hour time? (a) 12:20 p.m. (b) 10:20 a.m. (c) 10:20 p.m.
33. 33.How many hours are there from 11:00 to 17:00?
34. 34.What is 10:25 in 12-hour time? (a) 10:25 p.m. (b) 10:25 a.m. (c) 12:25 a.m.
35. 35.Write 9:40 p.m. in 24-hour time. (a) 09:40 (b) 23:40 (c) 21:40
36. 36.What is 01:50 in 12-hour time? (a) 1:50 p.m. (b) 1:50 a.m. (c) 3:50 a.m.
37. 37.A train leaves at 08:35 and reaches at 09:20. How long is the journey (in minutes)?
38. 38.A film is 2 hours 45 minutes long. How many minutes is that?
39. 39.A film is 1 hour 50 minutes long. How many minutes is that?
40. 40.What is 08:40 in 12-hour time? (a) 8:40 p.m. (b) 8:40 a.m. (c) 10:40 a.m.

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