Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 911 · 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 film is 1 hour 20 minutes long. How many minutes is that?
2. 2.What is 04:25 in 12-hour time? (a) 4:25 p.m. (b) 6:25 a.m. (c) 4:25 a.m.
3. 3.How many hours are there from 06:00 to 23:00?
4. 4.A film is 3 hours 5 minutes long. How many minutes is that?
5. 5.Write 4:50 a.m. in 24-hour time. (a) 04:50 (b) 06:50 (c) 16:50
6. 6.Write 4:40 a.m. in 24-hour time. (a) 06:40 (b) 04:40 (c) 16:40
7. 7.How many hours are there from 12:00 to 15:00?
8. 8.What is 01:45 in 12-hour time? (a) 3:45 a.m. (b) 1:45 p.m. (c) 1:45 a.m.
9. 9.How many hours are there from 10:00 to 14:00?
10. 10.A match starts at 18:00 and lasts 4 hours 35 minutes. At what time does it end? (a) 21:35 (b) 23:35 (c) 22:35
11. 11.A match starts at 07:40 and lasts 2 hours 15 minutes. At what time does it end? (a) 10:55 (b) 08:55 (c) 09:55
12. 12.A match starts at 15:55 and lasts 3 hours. At what time does it end? (a) 17:55 (b) 19:55 (c) 18:55
13. 13.Write 4:10 a.m. in 24-hour time. (a) 16:10 (b) 04:10 (c) 06:10
14. 14.How many hours are there from 05:00 to 22:00?
15. 15.How many hours are there from 11:00 to 16:00?
16. 16.A train leaves at 10:05 and reaches at 11:25. How long is the journey (in minutes)?
17. 17.What is 07:45 in 12-hour time? (a) 7:45 a.m. (b) 9:45 a.m. (c) 7:45 p.m.
18. 18.A match starts at 10:30 and lasts 3 hours 5 minutes. At what time does it end? (a) 12:35 (b) 14:35 (c) 13:35
19. 19.How many hours are there from 05:00 to 16:00?
20. 20.What is 15:10 in 12-hour time? (a) 3:10 p.m. (b) 3:10 a.m. (c) 5:10 p.m.
21. 21.A film is 4 hours 5 minutes long. How many minutes is that?
22. 22.A train leaves at 18:35 and reaches at 19:50. How long is the journey (in minutes)?
23. 23.How many hours are there from 06:00 to 20:00?
24. 24.A train leaves at 12:00 and reaches at 12:35. How long is the journey (in minutes)?
25. 25.How many hours are there from 11:00 to 18:00?
26. 26.Write 7:50 p.m. in 24-hour time. (a) 21:50 (b) 07:50 (c) 19:50
27. 27.Write 3:15 a.m. in 24-hour time. (a) 03:15 (b) 05:15 (c) 15:15
28. 28.What is 08:25 in 12-hour time? (a) 10:25 a.m. (b) 8:25 p.m. (c) 8:25 a.m.
29. 29.A train leaves at 19:15 and reaches at 20:25. How long is the journey (in minutes)?
30. 30.A train leaves at 10:55 and reaches at 13:05. How long is the journey (in minutes)?
31. 31.A train leaves at 08:00 and reaches at 10:30. How long is the journey (in minutes)?
32. 32.What is 10:05 in 12-hour time? (a) 10:05 p.m. (b) 10:05 a.m. (c) 12:05 a.m.
33. 33.A film is 4 hours 20 minutes long. How many minutes is that?
34. 34.How many hours are there from 11:00 to 22:00?
35. 35.What is 10:10 in 12-hour time? (a) 10:10 p.m. (b) 10:10 a.m. (c) 12:10 a.m.
36. 36.What is 13:20 in 12-hour time? (a) 3:20 p.m. (b) 1:20 p.m. (c) 1:20 a.m.
37. 37.How many hours are there from 09:00 to 17:00?
38. 38.A train leaves at 17:10 and reaches at 19:05. How long is the journey (in minutes)?
39. 39.A train leaves at 08:05 and reaches at 08:30. How long is the journey (in minutes)?
40. 40.Write 9:05 a.m. in 24-hour time. (a) 21:05 (b) 09:05 (c) 11:05

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