Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 879 · 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 13:35 in 12-hour time? (a) 1:35 a.m. (b) 1:35 p.m. (c) 3:35 p.m.
2. 2.A match starts at 07:20 and lasts 2 hours. At what time does it end? (a) 08:20 (b) 09:20 (c) 10:20
3. 3.What is 18:45 in 12-hour time? (a) 8:45 p.m. (b) 6:45 a.m. (c) 6:45 p.m.
4. 4.What is 22:35 in 12-hour time? (a) 10:35 a.m. (b) 12:35 p.m. (c) 10:35 p.m.
5. 5.What is 04:45 in 12-hour time? (a) 4:45 a.m. (b) 4:45 p.m. (c) 6:45 a.m.
6. 6.A match starts at 08:50 and lasts 1 hour 30 minutes. At what time does it end? (a) 10:20 (b) 09:20 (c) 11:20
7. 7.A match starts at 06:15 and lasts 2 hours 15 minutes. At what time does it end? (a) 07:30 (b) 09:30 (c) 08:30
8. 8.A film is 3 hours 40 minutes long. How many minutes is that?
9. 9.A film is 1 hour 10 minutes long. How many minutes is that?
10. 10.A match starts at 15:00 and lasts 3 hours. At what time does it end? (a) 18:00 (b) 19:00 (c) 17:00
11. 11.What is 11:40 in 12-hour time? (a) 11:40 p.m. (b) 1:40 a.m. (c) 11:40 a.m.
12. 12.What is 20:10 in 12-hour time? (a) 8:10 a.m. (b) 8:10 p.m. (c) 10:10 p.m.
13. 13.What is 21:15 in 12-hour time? (a) 11:15 p.m. (b) 9:15 p.m. (c) 9:15 a.m.
14. 14.Write 5:45 a.m. in 24-hour time. (a) 17:45 (b) 07:45 (c) 05:45
15. 15.A match starts at 07:30 and lasts 1 hour 45 minutes. At what time does it end? (a) 10:15 (b) 08:15 (c) 09:15
16. 16.A train leaves at 10:10 and reaches at 10:35. How long is the journey (in minutes)?
17. 17.A match starts at 08:10 and lasts 3 hours 45 minutes. At what time does it end? (a) 12:55 (b) 10:55 (c) 11:55
18. 18.A match starts at 13:05 and lasts 1 hour 45 minutes. At what time does it end? (a) 15:50 (b) 14:50 (c) 13:50
19. 19.A film is 4 hours 35 minutes long. How many minutes is that?
20. 20.A film is 2 hours 25 minutes long. How many minutes is that?
21. 21.What is 05:50 in 12-hour time? (a) 7:50 a.m. (b) 5:50 p.m. (c) 5:50 a.m.
22. 22.Write 2:25 p.m. in 24-hour time. (a) 14:25 (b) 16:25 (c) 02:25
23. 23.How many hours are there from 12:00 to 17:00?
24. 24.Write 11:40 a.m. in 24-hour time. (a) 11:40 (b) 13:40 (c) 23:40
25. 25.A match starts at 13:00 and lasts 1 hour 40 minutes. At what time does it end? (a) 15:40 (b) 14:40 (c) 13:40
26. 26.A film is 1 hour 55 minutes long. How many minutes is that?
27. 27.A film is 4 hours 30 minutes long. How many minutes is that?
28. 28.How many hours are there from 05:00 to 10:00?
29. 29.Write 4:25 a.m. in 24-hour time. (a) 16:25 (b) 04:25 (c) 06:25
30. 30.A film is 3 hours 25 minutes long. How many minutes is that?
31. 31.A train leaves at 16:05 and reaches at 18:10. How long is the journey (in minutes)?
32. 32.A film is 1 hour 20 minutes long. How many minutes is that?
33. 33.How many hours are there from 12:00 to 22:00?
34. 34.A train leaves at 18:35 and reaches at 20:25. How long is the journey (in minutes)?
35. 35.Write 9:25 a.m. in 24-hour time. (a) 11:25 (b) 09:25 (c) 21:25
36. 36.A match starts at 16:40 and lasts 3 hours 10 minutes. At what time does it end? (a) 18:50 (b) 19:50 (c) 20:50
37. 37.Write 6:10 a.m. in 24-hour time. (a) 18:10 (b) 08:10 (c) 06:10
38. 38.Write 7:55 p.m. in 24-hour time. (a) 21:55 (b) 19:55 (c) 07:55
39. 39.How many hours are there from 06:00 to 19:00?
40. 40.How many hours are there from 12:00 to 20:00?

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