Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 863 · 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 09:00 to 22:00?
2. 2.A film is 1 hour 10 minutes long. How many minutes is that?
3. 3.How many hours are there from 06:00 to 15:00?
4. 4.Write 4:50 p.m. in 24-hour time. (a) 18:50 (b) 16:50 (c) 04:50
5. 5.Write 1:35 p.m. in 24-hour time. (a) 13:35 (b) 01:35 (c) 15:35
6. 6.A match starts at 11:15 and lasts 2 hours 50 minutes. At what time does it end? (a) 13:05 (b) 14:05 (c) 15:05
7. 7.How many hours are there from 10:00 to 14:00?
8. 8.What is 06:30 in 12-hour time? (a) 6:30 p.m. (b) 8:30 a.m. (c) 6:30 a.m.
9. 9.A train leaves at 13:55 and reaches at 15:15. How long is the journey (in minutes)?
10. 10.A match starts at 12:35 and lasts 2 hours 45 minutes. At what time does it end? (a) 15:20 (b) 16:20 (c) 14:20
11. 11.Write 1:20 p.m. in 24-hour time. (a) 15:20 (b) 13:20 (c) 01:20
12. 12.A film is 4 hours 5 minutes long. How many minutes is that?
13. 13.Write 1:30 p.m. in 24-hour time. (a) 13:30 (b) 15:30 (c) 01:30
14. 14.Write 9:20 p.m. in 24-hour time. (a) 21:20 (b) 09:20 (c) 23:20
15. 15.A match starts at 10:35 and lasts 4 hours 30 minutes. At what time does it end? (a) 16:05 (b) 14:05 (c) 15:05
16. 16.A film is 4 hours 40 minutes long. How many minutes is that?
17. 17.Write 10:10 a.m. in 24-hour time. (a) 22:10 (b) 10:10 (c) 12:10
18. 18.Write 6:50 a.m. in 24-hour time. (a) 06:50 (b) 08:50 (c) 18:50
19. 19.What is 05:10 in 12-hour time? (a) 5:10 a.m. (b) 7:10 a.m. (c) 5:10 p.m.
20. 20.How many hours are there from 05:00 to 10:00?
21. 21.How many hours are there from 09:00 to 15:00?
22. 22.Write 3:35 a.m. in 24-hour time. (a) 05:35 (b) 03:35 (c) 15:35
23. 23.A film is 4 hours 50 minutes long. How many minutes is that?
24. 24.A train leaves at 12:40 and reaches at 15:00. How long is the journey (in minutes)?
25. 25.Write 4:45 p.m. in 24-hour time. (a) 04:45 (b) 18:45 (c) 16:45
26. 26.What is 19:40 in 12-hour time? (a) 7:40 p.m. (b) 9:40 p.m. (c) 7:40 a.m.
27. 27.How many hours are there from 12:00 to 14:00?
28. 28.A match starts at 16:25 and lasts 1 hour. At what time does it end? (a) 16:25 (b) 17:25 (c) 18:25
29. 29.A match starts at 15:25 and lasts 1 hour 15 minutes. At what time does it end? (a) 15:40 (b) 17:40 (c) 16:40
30. 30.What is 14:20 in 12-hour time? (a) 4:20 p.m. (b) 2:20 a.m. (c) 2:20 p.m.
31. 31.Write 2:50 a.m. in 24-hour time. (a) 02:50 (b) 14:50 (c) 04:50
32. 32.A film is 2 hours 25 minutes long. How many minutes is that?
33. 33.What is 04:55 in 12-hour time? (a) 4:55 p.m. (b) 4:55 a.m. (c) 6:55 a.m.
34. 34.A train leaves at 07:10 and reaches at 09:05. How long is the journey (in minutes)?
35. 35.A match starts at 07:45 and lasts 3 hours 35 minutes. At what time does it end? (a) 10:20 (b) 12:20 (c) 11:20
36. 36.How many hours are there from 11:00 to 20:00?
37. 37.Write 9:20 a.m. in 24-hour time. (a) 11:20 (b) 09:20 (c) 21:20
38. 38.How many hours are there from 07:00 to 19:00?
39. 39.Write 4:40 a.m. in 24-hour time. (a) 04:40 (b) 06:40 (c) 16:40
40. 40.How many hours are there from 08:00 to 16:00?

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