Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 750 · 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 film is 3 hours 30 minutes long. How many minutes is that?
2. 2.What is 02:40 in 12-hour time? (a) 4:40 a.m. (b) 2:40 p.m. (c) 2:40 a.m.
3. 3.What is 13:40 in 12-hour time? (a) 3:40 p.m. (b) 1:40 a.m. (c) 1:40 p.m.
4. 4.A film is 1 hour 10 minutes long. How many minutes is that?
5. 5.What is 01:30 in 12-hour time? (a) 3:30 a.m. (b) 1:30 p.m. (c) 1:30 a.m.
6. 6.A film is 2 hours 10 minutes long. How many minutes is that?
7. 7.A film is 3 hours 20 minutes long. How many minutes is that?
8. 8.Write 4:40 a.m. in 24-hour time. (a) 16:40 (b) 04:40 (c) 06:40
9. 9.A film is 3 hours 10 minutes long. How many minutes is that?
10. 10.A film is 2 hours 20 minutes long. How many minutes is that?
11. 11.A film is 1 hour 20 minutes long. How many minutes is that?
12. 12.Write 6:05 a.m. in 24-hour time. (a) 18:05 (b) 06:05 (c) 08:05
13. 13.A match starts at 08:40 and lasts 2 hours. At what time does it end? (a) 10:40 (b) 11:40 (c) 09:40
14. 14.A film is 2 hours 15 minutes long. How many minutes is that?
15. 15.A film is 1 hour 30 minutes long. How many minutes is that?
16. 16.How many hours are there from 06:00 to 21:00?
17. 17.A match starts at 11:40 and lasts 3 hours 5 minutes. At what time does it end? (a) 13:45 (b) 14:45 (c) 15:45
18. 18.A film is 3 hours 40 minutes long. How many minutes is that?
19. 19.What is 23:20 in 12-hour time? (a) 1:20 p.m. (b) 11:20 p.m. (c) 11:20 a.m.
20. 20.A match starts at 10:40 and lasts 4 hours 45 minutes. At what time does it end? (a) 14:25 (b) 16:25 (c) 15:25
21. 21.Write 3:50 a.m. in 24-hour time. (a) 03:50 (b) 15:50 (c) 05:50
22. 22.How many hours are there from 10:00 to 15:00?
23. 23.How many hours are there from 10:00 to 22:00?
24. 24.A match starts at 10:50 and lasts 3 hours 35 minutes. At what time does it end? (a) 14:25 (b) 15:25 (c) 13:25
25. 25.A film is 2 hours 55 minutes long. How many minutes is that?
26. 26.A train leaves at 18:00 and reaches at 18:25. How long is the journey (in minutes)?
27. 27.How many hours are there from 05:00 to 10:00?
28. 28.A film is 1 hour 35 minutes long. How many minutes is that?
29. 29.A match starts at 08:00 and lasts 1 hour 5 minutes. At what time does it end? (a) 10:05 (b) 09:05 (c) 08:05
30. 30.Write 6:10 a.m. in 24-hour time. (a) 18:10 (b) 08:10 (c) 06:10
31. 31.What is 06:30 in 12-hour time? (a) 8:30 a.m. (b) 6:30 a.m. (c) 6:30 p.m.
32. 32.A film is 3 hours 35 minutes long. How many minutes is that?
33. 33.A match starts at 17:20 and lasts 2 hours 40 minutes. At what time does it end? (a) 20:00 (b) 21:00 (c) 19:00
34. 34.A film is 4 hours 20 minutes long. How many minutes is that?
35. 35.Write 7:55 a.m. in 24-hour time. (a) 07:55 (b) 09:55 (c) 19:55
36. 36.How many hours are there from 07:00 to 19:00?
37. 37.A match starts at 08:25 and lasts 2 hours 25 minutes. At what time does it end? (a) 10:50 (b) 11:50 (c) 09:50
38. 38.How many hours are there from 05:00 to 20:00?
39. 39.What is 13:50 in 12-hour time? (a) 3:50 p.m. (b) 1:50 a.m. (c) 1:50 p.m.
40. 40.How many hours are there from 09:00 to 20:00?

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