Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 646 · 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 5 minutes long. How many minutes is that?
2. 2.A film is 3 hours 45 minutes long. How many minutes is that?
3. 3.Write 8:55 a.m. in 24-hour time. (a) 10:55 (b) 20:55 (c) 08:55
4. 4.How many hours are there from 08:00 to 23:00?
5. 5.How many hours are there from 07:00 to 13:00?
6. 6.What is 18:00 in 12-hour time? (a) 8:00 p.m. (b) 6:00 a.m. (c) 6:00 p.m.
7. 7.What is 20:05 in 12-hour time? (a) 8:05 p.m. (b) 10:05 p.m. (c) 8:05 a.m.
8. 8.A match starts at 09:10 and lasts 4 hours 55 minutes. At what time does it end? (a) 13:05 (b) 14:05 (c) 15:05
9. 9.Write 11:55 p.m. in 24-hour time. (a) 01:55 (b) 23:55 (c) 11:55
10. 10.How many hours are there from 05:00 to 14:00?
11. 11.Write 2:25 p.m. in 24-hour time. (a) 16:25 (b) 02:25 (c) 14:25
12. 12.A film is 4 hours 45 minutes long. How many minutes is that?
13. 13.Write 2:00 p.m. in 24-hour time. (a) 14:00 (b) 16:00 (c) 02:00
14. 14.Write 7:05 p.m. in 24-hour time. (a) 21:05 (b) 07:05 (c) 19:05
15. 15.How many hours are there from 08:00 to 21:00?
16. 16.A film is 1 hour 20 minutes long. How many minutes is that?
17. 17.What is 01:35 in 12-hour time? (a) 3:35 a.m. (b) 1:35 p.m. (c) 1:35 a.m.
18. 18.How many hours are there from 12:00 to 16:00?
19. 19.A match starts at 08:10 and lasts 1 hour 35 minutes. At what time does it end? (a) 09:45 (b) 10:45 (c) 08:45
20. 20.A film is 2 hours 45 minutes long. How many minutes is that?
21. 21.Write 8:40 a.m. in 24-hour time. (a) 20:40 (b) 10:40 (c) 08:40
22. 22.A match starts at 08:40 and lasts 3 hours 55 minutes. At what time does it end? (a) 11:35 (b) 13:35 (c) 12:35
23. 23.A film is 3 hours 40 minutes long. How many minutes is that?
24. 24.What is 13:35 in 12-hour time? (a) 1:35 a.m. (b) 1:35 p.m. (c) 3:35 p.m.
25. 25.A train leaves at 11:45 and reaches at 13:15. How long is the journey (in minutes)?
26. 26.How many hours are there from 08:00 to 14:00?
27. 27.A match starts at 09:50 and lasts 1 hour 15 minutes. At what time does it end? (a) 10:05 (b) 11:05 (c) 12:05
28. 28.A match starts at 13:30 and lasts 3 hours 35 minutes. At what time does it end? (a) 16:05 (b) 18:05 (c) 17:05
29. 29.Write 2:45 p.m. in 24-hour time. (a) 16:45 (b) 14:45 (c) 02:45
30. 30.What is 13:55 in 12-hour time? (a) 1:55 p.m. (b) 3:55 p.m. (c) 1:55 a.m.
31. 31.How many hours are there from 05:00 to 23:00?
32. 32.What is 23:15 in 12-hour time? (a) 11:15 a.m. (b) 11:15 p.m. (c) 1:15 p.m.
33. 33.What is 17:40 in 12-hour time? (a) 5:40 a.m. (b) 5:40 p.m. (c) 7:40 p.m.
34. 34.What is 03:50 in 12-hour time? (a) 3:50 a.m. (b) 5:50 a.m. (c) 3:50 p.m.
35. 35.A film is 2 hours 40 minutes long. How many minutes is that?
36. 36.A film is 1 hour 40 minutes long. How many minutes is that?
37. 37.What is 16:10 in 12-hour time? (a) 6:10 p.m. (b) 4:10 a.m. (c) 4:10 p.m.
38. 38.A train leaves at 18:15 and reaches at 20:30. How long is the journey (in minutes)?
39. 39.A film is 1 hour 55 minutes long. How many minutes is that?
40. 40.A film is 3 hours 30 minutes long. How many minutes is that?

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