Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 896 · 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 18:45 and lasts 1 hour. At what time does it end? (a) 18:45 (b) 19:45 (c) 20:45
2. 2.A train leaves at 17:00 and reaches at 19:55. How long is the journey (in minutes)?
3. 3.A match starts at 12:20 and lasts 1 hour 5 minutes. At what time does it end? (a) 12:25 (b) 14:25 (c) 13:25
4. 4.Write 9:40 p.m. in 24-hour time. (a) 09:40 (b) 21:40 (c) 23:40
5. 5.A match starts at 08:30 and lasts 2 hours 40 minutes. At what time does it end? (a) 10:10 (b) 11:10 (c) 12:10
6. 6.How many hours are there from 08:00 to 15:00?
7. 7.A match starts at 10:40 and lasts 3 hours 25 minutes. At what time does it end? (a) 15:05 (b) 13:05 (c) 14:05
8. 8.A match starts at 06:15 and lasts 2 hours 5 minutes. At what time does it end? (a) 08:20 (b) 07:20 (c) 09:20
9. 9.A film is 1 hour 15 minutes long. How many minutes is that?
10. 10.How many hours are there from 10:00 to 14:00?
11. 11.What is 20:35 in 12-hour time? (a) 8:35 a.m. (b) 10:35 p.m. (c) 8:35 p.m.
12. 12.A match starts at 14:55 and lasts 3 hours 40 minutes. At what time does it end? (a) 17:35 (b) 19:35 (c) 18:35
13. 13.A train leaves at 12:45 and reaches at 14:15. How long is the journey (in minutes)?
14. 14.What is 06:25 in 12-hour time? (a) 6:25 p.m. (b) 6:25 a.m. (c) 8:25 a.m.
15. 15.Write 4:30 a.m. in 24-hour time. (a) 06:30 (b) 04:30 (c) 16:30
16. 16.How many hours are there from 05:00 to 23:00?
17. 17.Write 4:40 a.m. in 24-hour time. (a) 06:40 (b) 04:40 (c) 16:40
18. 18.Write 4:10 a.m. in 24-hour time. (a) 16:10 (b) 04:10 (c) 06:10
19. 19.How many hours are there from 11:00 to 18:00?
20. 20.A match starts at 07:05 and lasts 1 hour 30 minutes. At what time does it end? (a) 07:35 (b) 08:35 (c) 09:35
21. 21.Write 11:20 p.m. in 24-hour time. (a) 01:20 (b) 23:20 (c) 11:20
22. 22.How many hours are there from 09:00 to 12:00?
23. 23.What is 02:50 in 12-hour time? (a) 2:50 a.m. (b) 2:50 p.m. (c) 4:50 a.m.
24. 24.A match starts at 06:20 and lasts 3 hours. At what time does it end? (a) 10:20 (b) 09:20 (c) 08:20
25. 25.Write 11:55 a.m. in 24-hour time. (a) 13:55 (b) 23:55 (c) 11:55
26. 26.A match starts at 10:00 and lasts 3 hours 50 minutes. At what time does it end? (a) 14:50 (b) 12:50 (c) 13:50
27. 27.A film is 1 hour 45 minutes long. How many minutes is that?
28. 28.How many hours are there from 05:00 to 10:00?
29. 29.A film is 2 hours 55 minutes long. How many minutes is that?
30. 30.How many hours are there from 06:00 to 13:00?
31. 31.What is 13:50 in 12-hour time? (a) 1:50 a.m. (b) 3:50 p.m. (c) 1:50 p.m.
32. 32.Write 5:15 p.m. in 24-hour time. (a) 05:15 (b) 17:15 (c) 19:15
33. 33.How many hours are there from 10:00 to 19:00?
34. 34.What is 22:10 in 12-hour time? (a) 12:10 p.m. (b) 10:10 p.m. (c) 10:10 a.m.
35. 35.A train leaves at 06:55 and reaches at 09:25. How long is the journey (in minutes)?
36. 36.A match starts at 11:35 and lasts 4 hours 20 minutes. At what time does it end? (a) 14:55 (b) 15:55 (c) 16:55
37. 37.How many hours are there from 05:00 to 19:00?
38. 38.Write 4:05 a.m. in 24-hour time. (a) 04:05 (b) 16:05 (c) 06:05
39. 39.What is 17:40 in 12-hour time? (a) 7:40 p.m. (b) 5:40 a.m. (c) 5:40 p.m.
40. 40.A match starts at 06:30 and lasts 2 hours 30 minutes. At what time does it end? (a) 08:00 (b) 10:00 (c) 09:00

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