Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 712 · 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 18:25 in 12-hour time? (a) 6:25 p.m. (b) 8:25 p.m. (c) 6:25 a.m.
2. 2.What is 05:50 in 12-hour time? (a) 5:50 p.m. (b) 5:50 a.m. (c) 7:50 a.m.
3. 3.Write 7:20 a.m. in 24-hour time. (a) 19:20 (b) 09:20 (c) 07:20
4. 4.A match starts at 07:25 and lasts 2 hours 10 minutes. At what time does it end? (a) 10:35 (b) 09:35 (c) 08:35
5. 5.A match starts at 17:55 and lasts 1 hour 30 minutes. At what time does it end? (a) 18:25 (b) 19:25 (c) 20:25
6. 6.What is 13:05 in 12-hour time? (a) 1:05 a.m. (b) 3:05 p.m. (c) 1:05 p.m.
7. 7.A film is 2 hours 50 minutes long. How many minutes is that?
8. 8.How many hours are there from 08:00 to 17:00?
9. 9.A train leaves at 08:15 and reaches at 09:45. How long is the journey (in minutes)?
10. 10.A train leaves at 17:00 and reaches at 20:10. How long is the journey (in minutes)?
11. 11.Write 10:50 a.m. in 24-hour time. (a) 12:50 (b) 10:50 (c) 22:50
12. 12.How many hours are there from 05:00 to 18:00?
13. 13.A film is 4 hours 10 minutes long. How many minutes is that?
14. 14.What is 20:25 in 12-hour time? (a) 10:25 p.m. (b) 8:25 p.m. (c) 8:25 a.m.
15. 15.A film is 4 hours 20 minutes long. How many minutes is that?
16. 16.How many hours are there from 06:00 to 13:00?
17. 17.What is 03:15 in 12-hour time? (a) 3:15 p.m. (b) 3:15 a.m. (c) 5:15 a.m.
18. 18.How many hours are there from 05:00 to 14:00?
19. 19.What is 19:55 in 12-hour time? (a) 9:55 p.m. (b) 7:55 p.m. (c) 7:55 a.m.
20. 20.How many hours are there from 09:00 to 12:00?
21. 21.A film is 2 hours 55 minutes long. How many minutes is that?
22. 22.A match starts at 17:05 and lasts 4 hours 15 minutes. At what time does it end? (a) 20:20 (b) 22:20 (c) 21:20
23. 23.A train leaves at 14:10 and reaches at 16:15. How long is the journey (in minutes)?
24. 24.A match starts at 16:00 and lasts 4 hours 30 minutes. At what time does it end? (a) 20:30 (b) 21:30 (c) 19:30
25. 25.What is 04:50 in 12-hour time? (a) 4:50 p.m. (b) 6:50 a.m. (c) 4:50 a.m.
26. 26.How many hours are there from 08:00 to 13:00?
27. 27.A film is 1 hour 40 minutes long. How many minutes is that?
28. 28.What is 16:55 in 12-hour time? (a) 4:55 a.m. (b) 6:55 p.m. (c) 4:55 p.m.
29. 29.What is 04:40 in 12-hour time? (a) 4:40 p.m. (b) 4:40 a.m. (c) 6:40 a.m.
30. 30.How many hours are there from 05:00 to 17:00?
31. 31.What is 14:40 in 12-hour time? (a) 2:40 a.m. (b) 2:40 p.m. (c) 4:40 p.m.
32. 32.What is 15:15 in 12-hour time? (a) 3:15 a.m. (b) 3:15 p.m. (c) 5:15 p.m.
33. 33.A match starts at 14:30 and lasts 3 hours 25 minutes. At what time does it end? (a) 16:55 (b) 18:55 (c) 17:55
34. 34.A film is 4 hours 55 minutes long. How many minutes is that?
35. 35.Write 3:35 a.m. in 24-hour time. (a) 15:35 (b) 03:35 (c) 05:35
36. 36.What is 17:00 in 12-hour time? (a) 5:00 a.m. (b) 5:00 p.m. (c) 7:00 p.m.
37. 37.What is 05:45 in 12-hour time? (a) 7:45 a.m. (b) 5:45 p.m. (c) 5:45 a.m.
38. 38.A train leaves at 18:35 and reaches at 19:30. How long is the journey (in minutes)?
39. 39.How many hours are there from 10:00 to 13:00?
40. 40.How many hours are there from 08:00 to 11:00?

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