Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 598 · 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 12:35 and lasts 4 hours 20 minutes. At what time does it end? (a) 15:55 (b) 16:55 (c) 17:55
2. 2.What is 17:50 in 12-hour time? (a) 5:50 a.m. (b) 5:50 p.m. (c) 7:50 p.m.
3. 3.What is 16:20 in 12-hour time? (a) 4:20 p.m. (b) 4:20 a.m. (c) 6:20 p.m.
4. 4.How many hours are there from 06:00 to 09:00?
5. 5.What is 22:50 in 12-hour time? (a) 10:50 a.m. (b) 10:50 p.m. (c) 12:50 p.m.
6. 6.What is 13:15 in 12-hour time? (a) 1:15 p.m. (b) 1:15 a.m. (c) 3:15 p.m.
7. 7.How many hours are there from 12:00 to 14:00?
8. 8.Write 7:00 p.m. in 24-hour time. (a) 21:00 (b) 19:00 (c) 07:00
9. 9.Write 11:00 p.m. in 24-hour time. (a) 23:00 (b) 01:00 (c) 11:00
10. 10.A film is 1 hour 45 minutes long. How many minutes is that?
11. 11.A train leaves at 08:30 and reaches at 10:35. How long is the journey (in minutes)?
12. 12.Write 6:00 a.m. in 24-hour time. (a) 06:00 (b) 18:00 (c) 08:00
13. 13.What is 10:30 in 12-hour time? (a) 10:30 a.m. (b) 10:30 p.m. (c) 12:30 a.m.
14. 14.What is 04:40 in 12-hour time? (a) 6:40 a.m. (b) 4:40 p.m. (c) 4:40 a.m.
15. 15.Write 11:40 p.m. in 24-hour time. (a) 11:40 (b) 01:40 (c) 23:40
16. 16.A train leaves at 12:00 and reaches at 13:00. How long is the journey (in minutes)?
17. 17.How many hours are there from 05:00 to 16:00?
18. 18.A train leaves at 08:30 and reaches at 10:45. How long is the journey (in minutes)?
19. 19.Write 6:10 p.m. in 24-hour time. (a) 20:10 (b) 18:10 (c) 06:10
20. 20.How many hours are there from 07:00 to 20:00?
21. 21.How many hours are there from 08:00 to 17:00?
22. 22.A film is 3 hours 45 minutes long. How many minutes is that?
23. 23.A match starts at 17:40 and lasts 2 hours 40 minutes. At what time does it end? (a) 21:20 (b) 20:20 (c) 19:20
24. 24.What is 07:30 in 12-hour time? (a) 7:30 a.m. (b) 9:30 a.m. (c) 7:30 p.m.
25. 25.A match starts at 16:00 and lasts 3 hours 50 minutes. At what time does it end? (a) 18:50 (b) 19:50 (c) 20:50
26. 26.A match starts at 13:30 and lasts 1 hour. At what time does it end? (a) 13:30 (b) 15:30 (c) 14:30
27. 27.A film is 3 hours 40 minutes long. How many minutes is that?
28. 28.A film is 1 hour 30 minutes long. How many minutes is that?
29. 29.Write 5:00 a.m. in 24-hour time. (a) 07:00 (b) 05:00 (c) 17:00
30. 30.A match starts at 10:20 and lasts 1 hour 15 minutes. At what time does it end? (a) 12:35 (b) 10:35 (c) 11:35
31. 31.What is 23:00 in 12-hour time? (a) 11:00 p.m. (b) 1:00 p.m. (c) 11:00 a.m.
32. 32.Write 5:20 p.m. in 24-hour time. (a) 19:20 (b) 17:20 (c) 05:20
33. 33.A train leaves at 06:45 and reaches at 07:10. How long is the journey (in minutes)?
34. 34.What is 04:10 in 12-hour time? (a) 4:10 a.m. (b) 6:10 a.m. (c) 4:10 p.m.
35. 35.A film is 3 hours 20 minutes long. How many minutes is that?
36. 36.A train leaves at 16:45 and reaches at 17:10. How long is the journey (in minutes)?
37. 37.How many hours are there from 07:00 to 11:00?
38. 38.A train leaves at 06:05 and reaches at 08:55. How long is the journey (in minutes)?
39. 39.What is 01:05 in 12-hour time? (a) 3:05 a.m. (b) 1:05 p.m. (c) 1:05 a.m.
40. 40.How many hours are there from 06:00 to 16:00?

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