Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 385 · 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 4 hours 20 minutes long. How many minutes is that?
2. 2.A film is 1 hour 25 minutes long. How many minutes is that?
3. 3.Write 10:05 p.m. in 24-hour time. (a) 22:05 (b) 10:05 (c) 00:05
4. 4.Write 6:35 a.m. in 24-hour time. (a) 08:35 (b) 06:35 (c) 18:35
5. 5.Write 2:35 a.m. in 24-hour time. (a) 04:35 (b) 14:35 (c) 02:35
6. 6.What is 16:35 in 12-hour time? (a) 6:35 p.m. (b) 4:35 a.m. (c) 4:35 p.m.
7. 7.A train leaves at 12:05 and reaches at 12:30. How long is the journey (in minutes)?
8. 8.What is 20:55 in 12-hour time? (a) 8:55 a.m. (b) 8:55 p.m. (c) 10:55 p.m.
9. 9.What is 23:10 in 12-hour time? (a) 1:10 p.m. (b) 11:10 a.m. (c) 11:10 p.m.
10. 10.A match starts at 17:25 and lasts 2 hours 5 minutes. At what time does it end? (a) 20:30 (b) 19:30 (c) 18:30
11. 11.A film is 4 hours 50 minutes long. How many minutes is that?
12. 12.Write 6:00 a.m. in 24-hour time. (a) 08:00 (b) 18:00 (c) 06:00
13. 13.A match starts at 07:45 and lasts 1 hour 30 minutes. At what time does it end? (a) 10:15 (b) 08:15 (c) 09:15
14. 14.How many hours are there from 09:00 to 23:00?
15. 15.Write 8:20 a.m. in 24-hour time. (a) 10:20 (b) 20:20 (c) 08:20
16. 16.A film is 3 hours 15 minutes long. How many minutes is that?
17. 17.A train leaves at 15:10 and reaches at 17:15. How long is the journey (in minutes)?
18. 18.How many hours are there from 09:00 to 12:00?
19. 19.What is 13:40 in 12-hour time? (a) 3:40 p.m. (b) 1:40 a.m. (c) 1:40 p.m.
20. 20.A match starts at 06:55 and lasts 3 hours 10 minutes. At what time does it end? (a) 10:05 (b) 09:05 (c) 11:05
21. 21.How many hours are there from 05:00 to 14:00?
22. 22.How many hours are there from 10:00 to 21:00?
23. 23.Write 4:50 a.m. in 24-hour time. (a) 06:50 (b) 16:50 (c) 04:50
24. 24.A film is 4 hours 15 minutes long. How many minutes is that?
25. 25.What is 22:20 in 12-hour time? (a) 12:20 p.m. (b) 10:20 p.m. (c) 10:20 a.m.
26. 26.Write 4:00 p.m. in 24-hour time. (a) 18:00 (b) 04:00 (c) 16:00
27. 27.Write 11:10 p.m. in 24-hour time. (a) 01:10 (b) 23:10 (c) 11:10
28. 28.A train leaves at 17:40 and reaches at 20:35. How long is the journey (in minutes)?
29. 29.A train leaves at 12:00 and reaches at 13:05. How long is the journey (in minutes)?
30. 30.A film is 3 hours 10 minutes long. How many minutes is that?
31. 31.Write 8:20 p.m. in 24-hour time. (a) 22:20 (b) 08:20 (c) 20:20
32. 32.A film is 1 hour 55 minutes long. How many minutes is that?
33. 33.What is 16:25 in 12-hour time? (a) 6:25 p.m. (b) 4:25 a.m. (c) 4:25 p.m.
34. 34.A film is 1 hour 5 minutes long. How many minutes is that?
35. 35.Write 7:10 p.m. in 24-hour time. (a) 21:10 (b) 07:10 (c) 19:10
36. 36.A film is 1 hour 35 minutes long. How many minutes is that?
37. 37.A film is 4 hours 45 minutes long. How many minutes is that?
38. 38.A film is 2 hours 20 minutes long. How many minutes is that?
39. 39.A match starts at 16:35 and lasts 1 hour. At what time does it end? (a) 16:35 (b) 17:35 (c) 18:35
40. 40.How many hours are there from 11:00 to 15:00?

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