Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 280 · 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 18:05 and lasts 2 hours. At what time does it end? (a) 20:05 (b) 21:05 (c) 19:05
2. 2.A match starts at 13:00 and lasts 3 hours 40 minutes. At what time does it end? (a) 17:40 (b) 15:40 (c) 16:40
3. 3.Write 6:50 p.m. in 24-hour time. (a) 06:50 (b) 18:50 (c) 20:50
4. 4.Write 9:45 a.m. in 24-hour time. (a) 21:45 (b) 11:45 (c) 09:45
5. 5.A train leaves at 18:50 and reaches at 19:50. How long is the journey (in minutes)?
6. 6.A film is 1 hour 15 minutes long. How many minutes is that?
7. 7.A film is 1 hour 30 minutes long. How many minutes is that?
8. 8.How many hours are there from 09:00 to 14:00?
9. 9.Write 2:20 p.m. in 24-hour time. (a) 14:20 (b) 16:20 (c) 02:20
10. 10.A train leaves at 06:15 and reaches at 06:45. How long is the journey (in minutes)?
11. 11.Write 3:00 a.m. in 24-hour time. (a) 05:00 (b) 03:00 (c) 15:00
12. 12.A film is 2 hours 15 minutes long. How many minutes is that?
13. 13.Write 9:05 a.m. in 24-hour time. (a) 09:05 (b) 11:05 (c) 21:05
14. 14.Write 9:55 a.m. in 24-hour time. (a) 09:55 (b) 11:55 (c) 21:55
15. 15.A match starts at 18:35 and lasts 2 hours 20 minutes. At what time does it end? (a) 21:55 (b) 19:55 (c) 20:55
16. 16.Write 8:55 a.m. in 24-hour time. (a) 10:55 (b) 20:55 (c) 08:55
17. 17.A train leaves at 08:00 and reaches at 09:40. How long is the journey (in minutes)?
18. 18.What is 13:50 in 12-hour time? (a) 1:50 a.m. (b) 1:50 p.m. (c) 3:50 p.m.
19. 19.What is 02:00 in 12-hour time? (a) 2:00 a.m. (b) 2:00 p.m. (c) 4:00 a.m.
20. 20.What is 05:00 in 12-hour time? (a) 7:00 a.m. (b) 5:00 p.m. (c) 5:00 a.m.
21. 21.What is 15:15 in 12-hour time? (a) 3:15 a.m. (b) 3:15 p.m. (c) 5:15 p.m.
22. 22.A match starts at 06:10 and lasts 2 hours 5 minutes. At what time does it end? (a) 07:15 (b) 08:15 (c) 09:15
23. 23.How many hours are there from 09:00 to 20:00?
24. 24.A match starts at 13:40 and lasts 2 hours 45 minutes. At what time does it end? (a) 17:25 (b) 15:25 (c) 16:25
25. 25.A film is 4 hours 45 minutes long. How many minutes is that?
26. 26.What is 21:00 in 12-hour time? (a) 11:00 p.m. (b) 9:00 a.m. (c) 9:00 p.m.
27. 27.A film is 3 hours 55 minutes long. How many minutes is that?
28. 28.What is 03:15 in 12-hour time? (a) 3:15 p.m. (b) 5:15 a.m. (c) 3:15 a.m.
29. 29.A film is 2 hours 25 minutes long. How many minutes is that?
30. 30.Write 7:30 p.m. in 24-hour time. (a) 21:30 (b) 07:30 (c) 19:30
31. 31.A match starts at 12:25 and lasts 2 hours 45 minutes. At what time does it end? (a) 16:10 (b) 15:10 (c) 14:10
32. 32.How many hours are there from 05:00 to 15:00?
33. 33.A match starts at 16:05 and lasts 2 hours 5 minutes. At what time does it end? (a) 18:10 (b) 19:10 (c) 17:10
34. 34.How many hours are there from 07:00 to 11:00?
35. 35.A film is 1 hour 50 minutes long. How many minutes is that?
36. 36.Write 10:30 a.m. in 24-hour time. (a) 22:30 (b) 12:30 (c) 10:30
37. 37.How many hours are there from 12:00 to 23:00?
38. 38.How many hours are there from 05:00 to 21:00?
39. 39.A film is 1 hour 45 minutes long. How many minutes is that?
40. 40.How many hours are there from 11:00 to 13:00?

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