Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 216 · 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 13:10 in 12-hour time? (a) 1:10 p.m. (b) 1:10 a.m. (c) 3:10 p.m.
2. 2.What is 20:35 in 12-hour time? (a) 10:35 p.m. (b) 8:35 a.m. (c) 8:35 p.m.
3. 3.What is 06:50 in 12-hour time? (a) 8:50 a.m. (b) 6:50 a.m. (c) 6:50 p.m.
4. 4.How many hours are there from 08:00 to 21:00?
5. 5.What is 10:40 in 12-hour time? (a) 10:40 a.m. (b) 12:40 a.m. (c) 10:40 p.m.
6. 6.What is 17:00 in 12-hour time? (a) 7:00 p.m. (b) 5:00 a.m. (c) 5:00 p.m.
7. 7.What is 09:30 in 12-hour time? (a) 9:30 p.m. (b) 11:30 a.m. (c) 9:30 a.m.
8. 8.What is 22:30 in 12-hour time? (a) 12:30 p.m. (b) 10:30 p.m. (c) 10:30 a.m.
9. 9.A match starts at 11:30 and lasts 1 hour 10 minutes. At what time does it end? (a) 13:40 (b) 12:40 (c) 11:40
10. 10.A film is 2 hours 45 minutes long. How many minutes is that?
11. 11.What is 23:20 in 12-hour time? (a) 1:20 p.m. (b) 11:20 a.m. (c) 11:20 p.m.
12. 12.A train leaves at 08:15 and reaches at 08:50. How long is the journey (in minutes)?
13. 13.How many hours are there from 08:00 to 12:00?
14. 14.Write 10:55 a.m. in 24-hour time. (a) 10:55 (b) 22:55 (c) 12:55
15. 15.A match starts at 08:45 and lasts 2 hours 50 minutes. At what time does it end? (a) 12:35 (b) 11:35 (c) 10:35
16. 16.How many hours are there from 06:00 to 19:00?
17. 17.Write 8:05 a.m. in 24-hour time. (a) 10:05 (b) 20:05 (c) 08:05
18. 18.A match starts at 08:50 and lasts 4 hours 40 minutes. At what time does it end? (a) 14:30 (b) 13:30 (c) 12:30
19. 19.How many hours are there from 06:00 to 12:00?
20. 20.What is 03:15 in 12-hour time? (a) 5:15 a.m. (b) 3:15 p.m. (c) 3:15 a.m.
21. 21.How many hours are there from 07:00 to 20:00?
22. 22.How many hours are there from 05:00 to 23:00?
23. 23.What is 05:40 in 12-hour time? (a) 7:40 a.m. (b) 5:40 a.m. (c) 5:40 p.m.
24. 24.What is 22:05 in 12-hour time? (a) 10:05 p.m. (b) 10:05 a.m. (c) 12:05 p.m.
25. 25.Write 3:30 p.m. in 24-hour time. (a) 17:30 (b) 03:30 (c) 15:30
26. 26.A match starts at 10:50 and lasts 3 hours 35 minutes. At what time does it end? (a) 13:25 (b) 14:25 (c) 15:25
27. 27.A film is 4 hours 5 minutes long. How many minutes is that?
28. 28.How many hours are there from 07:00 to 19:00?
29. 29.Write 8:00 a.m. in 24-hour time. (a) 10:00 (b) 20:00 (c) 08:00
30. 30.A match starts at 08:25 and lasts 3 hours 5 minutes. At what time does it end? (a) 10:30 (b) 12:30 (c) 11:30
31. 31.How many hours are there from 11:00 to 16:00?
32. 32.A match starts at 09:20 and lasts 3 hours 40 minutes. At what time does it end? (a) 13:00 (b) 14:00 (c) 12:00
33. 33.What is 13:00 in 12-hour time? (a) 1:00 a.m. (b) 1:00 p.m. (c) 3:00 p.m.
34. 34.A film is 2 hours 55 minutes long. How many minutes is that?
35. 35.A match starts at 18:55 and lasts 3 hours 10 minutes. At what time does it end? (a) 22:05 (b) 21:05 (c) 23:05
36. 36.A match starts at 07:05 and lasts 1 hour 50 minutes. At what time does it end? (a) 09:55 (b) 07:55 (c) 08:55
37. 37.How many hours are there from 08:00 to 13:00?
38. 38.Write 10:00 a.m. in 24-hour time. (a) 22:00 (b) 12:00 (c) 10:00
39. 39.How many hours are there from 09:00 to 13:00?
40. 40.A train leaves at 07:10 and reaches at 09:40. How long is the journey (in minutes)?

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