Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 787 · 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.How many hours are there from 10:00 to 18:00?
2. 2.How many hours are there from 05:00 to 08:00?
3. 3.How many hours are there from 09:00 to 23:00?
4. 4.A train leaves at 09:45 and reaches at 11:00. How long is the journey (in minutes)?
5. 5.A match starts at 10:55 and lasts 3 hours 45 minutes. At what time does it end? (a) 14:40 (b) 13:40 (c) 15:40
6. 6.A match starts at 14:05 and lasts 3 hours 45 minutes. At what time does it end? (a) 16:50 (b) 17:50 (c) 18:50
7. 7.Write 9:30 p.m. in 24-hour time. (a) 23:30 (b) 09:30 (c) 21:30
8. 8.A match starts at 10:05 and lasts 3 hours 5 minutes. At what time does it end? (a) 14:10 (b) 12:10 (c) 13:10
9. 9.How many hours are there from 05:00 to 10:00?
10. 10.A match starts at 16:20 and lasts 1 hour 15 minutes. At what time does it end? (a) 16:35 (b) 18:35 (c) 17:35
11. 11.A film is 4 hours 55 minutes long. How many minutes is that?
12. 12.What is 02:35 in 12-hour time? (a) 2:35 p.m. (b) 2:35 a.m. (c) 4:35 a.m.
13. 13.Write 5:55 p.m. in 24-hour time. (a) 17:55 (b) 05:55 (c) 19:55
14. 14.A film is 2 hours 35 minutes long. How many minutes is that?
15. 15.Write 3:45 p.m. in 24-hour time. (a) 15:45 (b) 03:45 (c) 17:45
16. 16.What is 11:05 in 12-hour time? (a) 1:05 a.m. (b) 11:05 p.m. (c) 11:05 a.m.
17. 17.What is 09:10 in 12-hour time? (a) 9:10 a.m. (b) 9:10 p.m. (c) 11:10 a.m.
18. 18.How many hours are there from 07:00 to 21:00?
19. 19.Write 7:50 p.m. in 24-hour time. (a) 19:50 (b) 07:50 (c) 21:50
20. 20.What is 05:50 in 12-hour time? (a) 5:50 a.m. (b) 5:50 p.m. (c) 7:50 a.m.
21. 21.Write 11:30 a.m. in 24-hour time. (a) 13:30 (b) 11:30 (c) 23:30
22. 22.How many hours are there from 05:00 to 14:00?
23. 23.What is 13:15 in 12-hour time? (a) 1:15 a.m. (b) 1:15 p.m. (c) 3:15 p.m.
24. 24.A film is 1 hour 10 minutes long. How many minutes is that?
25. 25.What is 06:25 in 12-hour time? (a) 6:25 p.m. (b) 8:25 a.m. (c) 6:25 a.m.
26. 26.How many hours are there from 09:00 to 14:00?
27. 27.How many hours are there from 06:00 to 20:00?
28. 28.A match starts at 18:40 and lasts 3 hours. At what time does it end? (a) 20:40 (b) 22:40 (c) 21:40
29. 29.A train leaves at 06:00 and reaches at 08:00. How long is the journey (in minutes)?
30. 30.A film is 1 hour 35 minutes long. How many minutes is that?
31. 31.A match starts at 15:55 and lasts 1 hour 55 minutes. At what time does it end? (a) 17:50 (b) 18:50 (c) 16:50
32. 32.Write 10:50 p.m. in 24-hour time. (a) 22:50 (b) 10:50 (c) 00:50
33. 33.A train leaves at 09:00 and reaches at 11:20. How long is the journey (in minutes)?
34. 34.A train leaves at 18:55 and reaches at 19:30. How long is the journey (in minutes)?
35. 35.What is 07:25 in 12-hour time? (a) 7:25 p.m. (b) 9:25 a.m. (c) 7:25 a.m.
36. 36.How many hours are there from 09:00 to 11:00?
37. 37.Write 10:15 a.m. in 24-hour time. (a) 10:15 (b) 12:15 (c) 22:15
38. 38.A match starts at 10:15 and lasts 1 hour 40 minutes. At what time does it end? (a) 11:55 (b) 10:55 (c) 12:55
39. 39.A film is 3 hours 30 minutes long. How many minutes is that?
40. 40.How many hours are there from 05:00 to 17:00?

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