Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 302 · 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 5 minutes long. How many minutes is that?
2. 2.Write 8:10 p.m. in 24-hour time. (a) 08:10 (b) 22:10 (c) 20:10
3. 3.Write 9:20 p.m. in 24-hour time. (a) 21:20 (b) 23:20 (c) 09:20
4. 4.What is 01:30 in 12-hour time? (a) 3:30 a.m. (b) 1:30 a.m. (c) 1:30 p.m.
5. 5.A film is 1 hour 35 minutes long. How many minutes is that?
6. 6.How many hours are there from 05:00 to 21:00?
7. 7.A match starts at 12:05 and lasts 4 hours 30 minutes. At what time does it end? (a) 17:35 (b) 15:35 (c) 16:35
8. 8.A match starts at 07:10 and lasts 3 hours 10 minutes. At what time does it end? (a) 11:20 (b) 10:20 (c) 09:20
9. 9.A match starts at 08:45 and lasts 2 hours 40 minutes. At what time does it end? (a) 11:25 (b) 12:25 (c) 10:25
10. 10.A train leaves at 08:00 and reaches at 09:50. How long is the journey (in minutes)?
11. 11.A film is 3 hours 55 minutes long. How many minutes is that?
12. 12.Write 1:05 a.m. in 24-hour time. (a) 13:05 (b) 01:05 (c) 03:05
13. 13.A train leaves at 18:40 and reaches at 21:40. How long is the journey (in minutes)?
14. 14.How many hours are there from 10:00 to 18:00?
15. 15.A train leaves at 14:35 and reaches at 15:35. How long is the journey (in minutes)?
16. 16.A film is 2 hours 25 minutes long. How many minutes is that?
17. 17.What is 18:35 in 12-hour time? (a) 6:35 a.m. (b) 8:35 p.m. (c) 6:35 p.m.
18. 18.What is 04:40 in 12-hour time? (a) 4:40 p.m. (b) 6:40 a.m. (c) 4:40 a.m.
19. 19.What is 06:00 in 12-hour time? (a) 6:00 a.m. (b) 6:00 p.m. (c) 8:00 a.m.
20. 20.A train leaves at 09:00 and reaches at 10:25. How long is the journey (in minutes)?
21. 21.How many hours are there from 06:00 to 09:00?
22. 22.Write 8:40 p.m. in 24-hour time. (a) 22:40 (b) 20:40 (c) 08:40
23. 23.What is 05:35 in 12-hour time? (a) 5:35 p.m. (b) 5:35 a.m. (c) 7:35 a.m.
24. 24.What is 07:20 in 12-hour time? (a) 7:20 a.m. (b) 7:20 p.m. (c) 9:20 a.m.
25. 25.Write 6:05 p.m. in 24-hour time. (a) 06:05 (b) 18:05 (c) 20:05
26. 26.What is 10:20 in 12-hour time? (a) 12:20 a.m. (b) 10:20 a.m. (c) 10:20 p.m.
27. 27.A film is 4 hours 15 minutes long. How many minutes is that?
28. 28.What is 22:50 in 12-hour time? (a) 12:50 p.m. (b) 10:50 p.m. (c) 10:50 a.m.
29. 29.What is 22:10 in 12-hour time? (a) 10:10 p.m. (b) 10:10 a.m. (c) 12:10 p.m.
30. 30.A train leaves at 09:45 and reaches at 11:30. How long is the journey (in minutes)?
31. 31.A train leaves at 19:35 and reaches at 22:35. How long is the journey (in minutes)?
32. 32.What is 22:30 in 12-hour time? (a) 10:30 a.m. (b) 12:30 p.m. (c) 10:30 p.m.
33. 33.A film is 2 hours 40 minutes long. How many minutes is that?
34. 34.A match starts at 17:45 and lasts 1 hour 5 minutes. At what time does it end? (a) 19:50 (b) 17:50 (c) 18:50
35. 35.What is 17:05 in 12-hour time? (a) 7:05 p.m. (b) 5:05 p.m. (c) 5:05 a.m.
36. 36.A film is 4 hours 50 minutes long. How many minutes is that?
37. 37.A train leaves at 12:20 and reaches at 13:10. How long is the journey (in minutes)?
38. 38.Write 5:05 p.m. in 24-hour time. (a) 05:05 (b) 19:05 (c) 17:05
39. 39.A match starts at 17:45 and lasts 4 hours 25 minutes. At what time does it end? (a) 23:10 (b) 21:10 (c) 22:10
40. 40.A film is 3 hours 45 minutes long. How many minutes is that?

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