Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 546 · 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.What is 07:15 in 12-hour time? (a) 7:15 p.m. (b) 7:15 a.m. (c) 9:15 a.m.
2. 2.A film is 4 hours 15 minutes long. How many minutes is that?
3. 3.How many hours are there from 07:00 to 09:00?
4. 4.What is 16:00 in 12-hour time? (a) 4:00 p.m. (b) 6:00 p.m. (c) 4:00 a.m.
5. 5.What is 07:20 in 12-hour time? (a) 9:20 a.m. (b) 7:20 a.m. (c) 7:20 p.m.
6. 6.Write 2:55 a.m. in 24-hour time. (a) 04:55 (b) 02:55 (c) 14:55
7. 7.A match starts at 15:15 and lasts 4 hours 40 minutes. At what time does it end? (a) 19:55 (b) 18:55 (c) 20:55
8. 8.A film is 1 hour 30 minutes long. How many minutes is that?
9. 9.How many hours are there from 06:00 to 12:00?
10. 10.Write 2:35 a.m. in 24-hour time. (a) 14:35 (b) 04:35 (c) 02:35
11. 11.Write 1:00 p.m. in 24-hour time. (a) 01:00 (b) 15:00 (c) 13:00
12. 12.How many hours are there from 11:00 to 18:00?
13. 13.A match starts at 18:10 and lasts 1 hour 45 minutes. At what time does it end? (a) 19:55 (b) 20:55 (c) 18:55
14. 14.Write 7:10 a.m. in 24-hour time. (a) 19:10 (b) 09:10 (c) 07:10
15. 15.A film is 1 hour 15 minutes long. How many minutes is that?
16. 16.How many hours are there from 07:00 to 14:00?
17. 17.A film is 4 hours 55 minutes long. How many minutes is that?
18. 18.A train leaves at 16:35 and reaches at 17:05. How long is the journey (in minutes)?
19. 19.A match starts at 09:35 and lasts 2 hours 40 minutes. At what time does it end? (a) 13:15 (b) 12:15 (c) 11:15
20. 20.A train leaves at 08:40 and reaches at 11:15. How long is the journey (in minutes)?
21. 21.What is 02:50 in 12-hour time? (a) 2:50 p.m. (b) 4:50 a.m. (c) 2:50 a.m.
22. 22.What is 11:30 in 12-hour time? (a) 11:30 a.m. (b) 11:30 p.m. (c) 1:30 a.m.
23. 23.What is 03:50 in 12-hour time? (a) 3:50 p.m. (b) 3:50 a.m. (c) 5:50 a.m.
24. 24.A match starts at 17:15 and lasts 4 hours 55 minutes. At what time does it end? (a) 23:10 (b) 22:10 (c) 21:10
25. 25.What is 03:35 in 12-hour time? (a) 3:35 a.m. (b) 3:35 p.m. (c) 5:35 a.m.
26. 26.How many hours are there from 08:00 to 17:00?
27. 27.A match starts at 18:35 and lasts 1 hour 30 minutes. At what time does it end? (a) 21:05 (b) 20:05 (c) 19:05
28. 28.How many hours are there from 05:00 to 09:00?
29. 29.What is 06:05 in 12-hour time? (a) 6:05 p.m. (b) 8:05 a.m. (c) 6:05 a.m.
30. 30.A match starts at 17:15 and lasts 1 hour 35 minutes. At what time does it end? (a) 19:50 (b) 18:50 (c) 17:50
31. 31.A film is 3 hours 50 minutes long. How many minutes is that?
32. 32.Write 11:20 a.m. in 24-hour time. (a) 13:20 (b) 11:20 (c) 23:20
33. 33.A film is 1 hour 40 minutes long. How many minutes is that?
34. 34.A film is 1 hour 45 minutes long. How many minutes is that?
35. 35.Write 2:45 a.m. in 24-hour time. (a) 14:45 (b) 02:45 (c) 04:45
36. 36.What is 04:15 in 12-hour time? (a) 6:15 a.m. (b) 4:15 p.m. (c) 4:15 a.m.
37. 37.How many hours are there from 09:00 to 22:00?
38. 38.What is 18:05 in 12-hour time? (a) 6:05 a.m. (b) 8:05 p.m. (c) 6:05 p.m.
39. 39.A film is 4 hours 50 minutes long. How many minutes is that?
40. 40.Write 3:10 a.m. in 24-hour time. (a) 05:10 (b) 15:10 (c) 03:10

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