Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 171 · 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.How many hours are there from 05:00 to 11:00?
2. 2.What is 03:20 in 12-hour time? (a) 5:20 a.m. (b) 3:20 p.m. (c) 3:20 a.m.
3. 3.How many hours are there from 12:00 to 18:00?
4. 4.A train leaves at 10:20 and reaches at 11:30. How long is the journey (in minutes)?
5. 5.What is 16:45 in 12-hour time? (a) 6:45 p.m. (b) 4:45 a.m. (c) 4:45 p.m.
6. 6.A match starts at 13:55 and lasts 4 hours 25 minutes. At what time does it end? (a) 19:20 (b) 17:20 (c) 18:20
7. 7.How many hours are there from 11:00 to 13:00?
8. 8.How many hours are there from 08:00 to 11:00?
9. 9.Write 3:10 a.m. in 24-hour time. (a) 05:10 (b) 15:10 (c) 03:10
10. 10.A film is 4 hours 10 minutes long. How many minutes is that?
11. 11.Write 6:35 p.m. in 24-hour time. (a) 20:35 (b) 06:35 (c) 18:35
12. 12.What is 22:00 in 12-hour time? (a) 12:00 p.m. (b) 10:00 a.m. (c) 10:00 p.m.
13. 13.A film is 2 hours 55 minutes long. How many minutes is that?
14. 14.What is 18:00 in 12-hour time? (a) 6:00 a.m. (b) 6:00 p.m. (c) 8:00 p.m.
15. 15.A match starts at 06:10 and lasts 1 hour 30 minutes. At what time does it end? (a) 06:40 (b) 07:40 (c) 08:40
16. 16.A train leaves at 15:30 and reaches at 16:15. How long is the journey (in minutes)?
17. 17.A match starts at 06:10 and lasts 1 hour 20 minutes. At what time does it end? (a) 08:30 (b) 06:30 (c) 07:30
18. 18.A match starts at 17:45 and lasts 1 hour 30 minutes. At what time does it end? (a) 20:15 (b) 18:15 (c) 19:15
19. 19.A match starts at 09:10 and lasts 3 hours. At what time does it end? (a) 12:10 (b) 11:10 (c) 13:10
20. 20.A match starts at 09:40 and lasts 2 hours 50 minutes. At what time does it end? (a) 13:30 (b) 11:30 (c) 12:30
21. 21.What is 06:05 in 12-hour time? (a) 8:05 a.m. (b) 6:05 p.m. (c) 6:05 a.m.
22. 22.A match starts at 10:55 and lasts 1 hour 15 minutes. At what time does it end? (a) 13:10 (b) 12:10 (c) 11:10
23. 23.Write 10:30 a.m. in 24-hour time. (a) 12:30 (b) 10:30 (c) 22:30
24. 24.Write 8:25 a.m. in 24-hour time. (a) 08:25 (b) 20:25 (c) 10:25
25. 25.What is 19:15 in 12-hour time? (a) 7:15 a.m. (b) 9:15 p.m. (c) 7:15 p.m.
26. 26.What is 02:45 in 12-hour time? (a) 4:45 a.m. (b) 2:45 a.m. (c) 2:45 p.m.
27. 27.Write 10:45 p.m. in 24-hour time. (a) 10:45 (b) 22:45 (c) 00:45
28. 28.Write 11:00 a.m. in 24-hour time. (a) 13:00 (b) 23:00 (c) 11:00
29. 29.A film is 1 hour 10 minutes long. How many minutes is that?
30. 30.What is 07:00 in 12-hour time? (a) 7:00 a.m. (b) 9:00 a.m. (c) 7:00 p.m.
31. 31.A match starts at 17:35 and lasts 4 hours 15 minutes. At what time does it end? (a) 22:50 (b) 21:50 (c) 20:50
32. 32.How many hours are there from 09:00 to 18:00?
33. 33.What is 11:40 in 12-hour time? (a) 11:40 p.m. (b) 1:40 a.m. (c) 11:40 a.m.
34. 34.A film is 1 hour 25 minutes long. How many minutes is that?
35. 35.A film is 1 hour 5 minutes long. How many minutes is that?
36. 36.What is 17:50 in 12-hour time? (a) 5:50 p.m. (b) 7:50 p.m. (c) 5:50 a.m.
37. 37.How many hours are there from 09:00 to 11:00?
38. 38.What is 07:35 in 12-hour time? (a) 9:35 a.m. (b) 7:35 p.m. (c) 7:35 a.m.
39. 39.What is 14:25 in 12-hour time? (a) 2:25 p.m. (b) 4:25 p.m. (c) 2:25 a.m.
40. 40.Write 5:45 a.m. in 24-hour time. (a) 07:45 (b) 05:45 (c) 17:45

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