Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 384 · 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.Write 9:45 a.m. in 24-hour time. (a) 21:45 (b) 09:45 (c) 11:45
2. 2.A film is 3 hours 45 minutes long. How many minutes is that?
3. 3.Write 10:00 p.m. in 24-hour time. (a) 10:00 (b) 22:00 (c) 00:00
4. 4.A film is 3 hours 5 minutes long. How many minutes is that?
5. 5.What is 15:35 in 12-hour time? (a) 3:35 a.m. (b) 5:35 p.m. (c) 3:35 p.m.
6. 6.A film is 4 hours 30 minutes long. How many minutes is that?
7. 7.A film is 1 hour 15 minutes long. How many minutes is that?
8. 8.A film is 2 hours 5 minutes long. How many minutes is that?
9. 9.How many hours are there from 06:00 to 18:00?
10. 10.A match starts at 08:30 and lasts 3 hours 10 minutes. At what time does it end? (a) 12:40 (b) 11:40 (c) 10:40
11. 11.A film is 2 hours 35 minutes long. How many minutes is that?
12. 12.A match starts at 11:15 and lasts 4 hours 10 minutes. At what time does it end? (a) 15:25 (b) 16:25 (c) 14:25
13. 13.A film is 2 hours 15 minutes long. How many minutes is that?
14. 14.A film is 3 hours 50 minutes long. How many minutes is that?
15. 15.A film is 1 hour 10 minutes long. How many minutes is that?
16. 16.A film is 4 hours 15 minutes long. How many minutes is that?
17. 17.How many hours are there from 07:00 to 17:00?
18. 18.A match starts at 13:35 and lasts 3 hours 15 minutes. At what time does it end? (a) 17:50 (b) 16:50 (c) 15:50
19. 19.What is 14:30 in 12-hour time? (a) 2:30 a.m. (b) 4:30 p.m. (c) 2:30 p.m.
20. 20.Write 1:10 p.m. in 24-hour time. (a) 13:10 (b) 01:10 (c) 15:10
21. 21.What is 20:05 in 12-hour time? (a) 10:05 p.m. (b) 8:05 a.m. (c) 8:05 p.m.
22. 22.A match starts at 09:05 and lasts 3 hours 50 minutes. At what time does it end? (a) 13:55 (b) 11:55 (c) 12:55
23. 23.A film is 1 hour 20 minutes long. How many minutes is that?
24. 24.A match starts at 06:40 and lasts 3 hours 30 minutes. At what time does it end? (a) 09:10 (b) 10:10 (c) 11:10
25. 25.How many hours are there from 07:00 to 14:00?
26. 26.What is 05:35 in 12-hour time? (a) 7:35 a.m. (b) 5:35 a.m. (c) 5:35 p.m.
27. 27.A match starts at 13:35 and lasts 1 hour 30 minutes. At what time does it end? (a) 15:05 (b) 14:05 (c) 16:05
28. 28.Write 7:10 p.m. in 24-hour time. (a) 21:10 (b) 19:10 (c) 07:10
29. 29.Write 1:25 a.m. in 24-hour time. (a) 13:25 (b) 03:25 (c) 01:25
30. 30.How many hours are there from 10:00 to 14:00?
31. 31.A train leaves at 06:15 and reaches at 09:15. How long is the journey (in minutes)?
32. 32.Write 4:05 p.m. in 24-hour time. (a) 16:05 (b) 04:05 (c) 18:05
33. 33.What is 13:25 in 12-hour time? (a) 1:25 p.m. (b) 1:25 a.m. (c) 3:25 p.m.
34. 34.A match starts at 17:05 and lasts 1 hour 20 minutes. At what time does it end? (a) 17:25 (b) 18:25 (c) 19:25
35. 35.A match starts at 14:00 and lasts 3 hours 5 minutes. At what time does it end? (a) 16:05 (b) 18:05 (c) 17:05
36. 36.How many hours are there from 12:00 to 23:00?
37. 37.A match starts at 08:00 and lasts 2 hours 5 minutes. At what time does it end? (a) 09:05 (b) 10:05 (c) 11:05
38. 38.A train leaves at 17:30 and reaches at 19:35. How long is the journey (in minutes)?
39. 39.What is 07:05 in 12-hour time? (a) 9:05 a.m. (b) 7:05 a.m. (c) 7:05 p.m.
40. 40.How many hours are there from 10:00 to 22:00?

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