Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 966 · 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.A match starts at 12:05 and lasts 2 hours 35 minutes. At what time does it end? (a) 14:40 (b) 15:40 (c) 13:40
2. 2.Write 9:20 p.m. in 24-hour time. (a) 21:20 (b) 23:20 (c) 09:20
3. 3.What is 03:35 in 12-hour time? (a) 3:35 a.m. (b) 5:35 a.m. (c) 3:35 p.m.
4. 4.A film is 3 hours 5 minutes long. How many minutes is that?
5. 5.How many hours are there from 05:00 to 17:00?
6. 6.A match starts at 11:05 and lasts 4 hours 5 minutes. At what time does it end? (a) 16:10 (b) 14:10 (c) 15:10
7. 7.A film is 2 hours 5 minutes long. How many minutes is that?
8. 8.What is 09:00 in 12-hour time? (a) 11:00 a.m. (b) 9:00 a.m. (c) 9:00 p.m.
9. 9.A match starts at 10:25 and lasts 4 hours 55 minutes. At what time does it end? (a) 15:20 (b) 16:20 (c) 14:20
10. 10.A train leaves at 18:20 and reaches at 21:05. How long is the journey (in minutes)?
11. 11.What is 11:50 in 12-hour time? (a) 11:50 p.m. (b) 1:50 a.m. (c) 11:50 a.m.
12. 12.A film is 4 hours 10 minutes long. How many minutes is that?
13. 13.A film is 2 hours 55 minutes long. How many minutes is that?
14. 14.A film is 3 hours 10 minutes long. How many minutes is that?
15. 15.How many hours are there from 10:00 to 21:00?
16. 16.A match starts at 18:50 and lasts 3 hours 5 minutes. At what time does it end? (a) 21:55 (b) 22:55 (c) 20:55
17. 17.A film is 1 hour 50 minutes long. How many minutes is that?
18. 18.A match starts at 06:55 and lasts 1 hour 5 minutes. At what time does it end? (a) 07:00 (b) 08:00 (c) 09:00
19. 19.A film is 2 hours 50 minutes long. How many minutes is that?
20. 20.How many hours are there from 10:00 to 23:00?
21. 21.A train leaves at 11:10 and reaches at 13:55. How long is the journey (in minutes)?
22. 22.Write 7:45 a.m. in 24-hour time. (a) 19:45 (b) 09:45 (c) 07:45
23. 23.A train leaves at 11:00 and reaches at 12:20. How long is the journey (in minutes)?
24. 24.What is 23:30 in 12-hour time? (a) 1:30 p.m. (b) 11:30 a.m. (c) 11:30 p.m.
25. 25.What is 09:20 in 12-hour time? (a) 11:20 a.m. (b) 9:20 a.m. (c) 9:20 p.m.
26. 26.How many hours are there from 08:00 to 12:00?
27. 27.Write 6:25 p.m. in 24-hour time. (a) 20:25 (b) 06:25 (c) 18:25
28. 28.What is 17:45 in 12-hour time? (a) 5:45 p.m. (b) 5:45 a.m. (c) 7:45 p.m.
29. 29.What is 14:10 in 12-hour time? (a) 2:10 a.m. (b) 4:10 p.m. (c) 2:10 p.m.
30. 30.How many hours are there from 06:00 to 11:00?
31. 31.A train leaves at 13:35 and reaches at 14:20. How long is the journey (in minutes)?
32. 32.Write 10:30 a.m. in 24-hour time. (a) 10:30 (b) 12:30 (c) 22:30
33. 33.Write 11:05 p.m. in 24-hour time. (a) 11:05 (b) 23:05 (c) 01:05
34. 34.A film is 3 hours 55 minutes long. How many minutes is that?
35. 35.A film is 4 hours 5 minutes long. How many minutes is that?
36. 36.A film is 2 hours 40 minutes long. How many minutes is that?
37. 37.A match starts at 07:30 and lasts 2 hours 50 minutes. At what time does it end? (a) 09:20 (b) 11:20 (c) 10:20
38. 38.A train leaves at 17:10 and reaches at 20:00. How long is the journey (in minutes)?
39. 39.A match starts at 18:50 and lasts 2 hours. At what time does it end? (a) 19:50 (b) 21:50 (c) 20:50
40. 40.What is 02:25 in 12-hour time? (a) 2:25 p.m. (b) 2:25 a.m. (c) 4:25 a.m.

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