Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 952 · 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 07:00 to 17:00?
2. 2.Write 7:10 p.m. in 24-hour time. (a) 07:10 (b) 19:10 (c) 21:10
3. 3.Write 3:10 a.m. in 24-hour time. (a) 05:10 (b) 15:10 (c) 03:10
4. 4.A match starts at 16:35 and lasts 4 hours. At what time does it end? (a) 20:35 (b) 21:35 (c) 19:35
5. 5.Write 10:50 a.m. in 24-hour time. (a) 10:50 (b) 12:50 (c) 22:50
6. 6.How many hours are there from 07:00 to 19:00?
7. 7.Write 8:00 a.m. in 24-hour time. (a) 10:00 (b) 20:00 (c) 08:00
8. 8.A film is 3 hours 10 minutes long. How many minutes is that?
9. 9.What is 08:05 in 12-hour time? (a) 8:05 a.m. (b) 10:05 a.m. (c) 8:05 p.m.
10. 10.How many hours are there from 08:00 to 12:00?
11. 11.What is 10:30 in 12-hour time? (a) 10:30 p.m. (b) 12:30 a.m. (c) 10:30 a.m.
12. 12.How many hours are there from 10:00 to 12:00?
13. 13.A match starts at 15:00 and lasts 3 hours 40 minutes. At what time does it end? (a) 18:40 (b) 17:40 (c) 19:40
14. 14.A film is 1 hour 10 minutes long. How many minutes is that?
15. 15.A film is 2 hours 30 minutes long. How many minutes is that?
16. 16.A train leaves at 17:15 and reaches at 18:15. How long is the journey (in minutes)?
17. 17.Write 8:05 p.m. in 24-hour time. (a) 08:05 (b) 20:05 (c) 22:05
18. 18.What is 20:25 in 12-hour time? (a) 8:25 a.m. (b) 10:25 p.m. (c) 8:25 p.m.
19. 19.A film is 2 hours 45 minutes long. How many minutes is that?
20. 20.A match starts at 07:20 and lasts 4 hours 10 minutes. At what time does it end? (a) 11:30 (b) 12:30 (c) 10:30
21. 21.A film is 4 hours 15 minutes long. How many minutes is that?
22. 22.A train leaves at 06:10 and reaches at 08:25. How long is the journey (in minutes)?
23. 23.Write 4:35 p.m. in 24-hour time. (a) 04:35 (b) 16:35 (c) 18:35
24. 24.Write 11:55 p.m. in 24-hour time. (a) 01:55 (b) 11:55 (c) 23:55
25. 25.How many hours are there from 07:00 to 09:00?
26. 26.What is 08:30 in 12-hour time? (a) 10:30 a.m. (b) 8:30 a.m. (c) 8:30 p.m.
27. 27.A film is 3 hours 30 minutes long. How many minutes is that?
28. 28.A match starts at 07:40 and lasts 1 hour 45 minutes. At what time does it end? (a) 10:25 (b) 08:25 (c) 09:25
29. 29.Write 6:25 p.m. in 24-hour time. (a) 06:25 (b) 18:25 (c) 20:25
30. 30.A train leaves at 06:05 and reaches at 06:40. How long is the journey (in minutes)?
31. 31.A train leaves at 12:40 and reaches at 13:15. How long is the journey (in minutes)?
32. 32.A train leaves at 15:00 and reaches at 17:30. How long is the journey (in minutes)?
33. 33.A film is 3 hours 15 minutes long. How many minutes is that?
34. 34.Write 5:35 p.m. in 24-hour time. (a) 17:35 (b) 19:35 (c) 05:35
35. 35.What is 13:15 in 12-hour time? (a) 1:15 p.m. (b) 1:15 a.m. (c) 3:15 p.m.
36. 36.How many hours are there from 11:00 to 13:00?
37. 37.How many hours are there from 09:00 to 22:00?
38. 38.A match starts at 10:10 and lasts 4 hours 50 minutes. At what time does it end? (a) 15:00 (b) 16:00 (c) 14:00
39. 39.Write 2:05 p.m. in 24-hour time. (a) 02:05 (b) 16:05 (c) 14:05
40. 40.A film is 3 hours 50 minutes long. How many minutes is that?

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