Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 172 · 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 12:00 to 17:00?
2. 2.What is 05:30 in 12-hour time? (a) 7:30 a.m. (b) 5:30 p.m. (c) 5:30 a.m.
3. 3.How many hours are there from 12:00 to 19:00?
4. 4.Write 7:50 p.m. in 24-hour time. (a) 07:50 (b) 21:50 (c) 19:50
5. 5.A train leaves at 15:30 and reaches at 18:20. How long is the journey (in minutes)?
6. 6.A match starts at 14:50 and lasts 2 hours 50 minutes. At what time does it end? (a) 17:40 (b) 18:40 (c) 16:40
7. 7.What is 08:30 in 12-hour time? (a) 10:30 a.m. (b) 8:30 p.m. (c) 8:30 a.m.
8. 8.A film is 4 hours 40 minutes long. How many minutes is that?
9. 9.What is 01:55 in 12-hour time? (a) 1:55 p.m. (b) 1:55 a.m. (c) 3:55 a.m.
10. 10.A match starts at 06:15 and lasts 4 hours 45 minutes. At what time does it end? (a) 10:00 (b) 11:00 (c) 12:00
11. 11.A match starts at 07:50 and lasts 3 hours. At what time does it end? (a) 11:50 (b) 09:50 (c) 10:50
12. 12.What is 10:00 in 12-hour time? (a) 12:00 a.m. (b) 10:00 p.m. (c) 10:00 a.m.
13. 13.A film is 4 hours 10 minutes long. How many minutes is that?
14. 14.What is 13:00 in 12-hour time? (a) 1:00 a.m. (b) 1:00 p.m. (c) 3:00 p.m.
15. 15.A train leaves at 10:45 and reaches at 13:15. How long is the journey (in minutes)?
16. 16.How many hours are there from 05:00 to 08:00?
17. 17.How many hours are there from 07:00 to 11:00?
18. 18.A film is 2 hours 55 minutes long. How many minutes is that?
19. 19.What is 06:10 in 12-hour time? (a) 6:10 p.m. (b) 6:10 a.m. (c) 8:10 a.m.
20. 20.A match starts at 12:25 and lasts 2 hours 50 minutes. At what time does it end? (a) 15:15 (b) 16:15 (c) 14:15
21. 21.A match starts at 12:20 and lasts 1 hour 5 minutes. At what time does it end? (a) 12:25 (b) 13:25 (c) 14:25
22. 22.What is 14:20 in 12-hour time? (a) 2:20 a.m. (b) 4:20 p.m. (c) 2:20 p.m.
23. 23.A film is 3 hours 35 minutes long. How many minutes is that?
24. 24.How many hours are there from 08:00 to 23:00?
25. 25.What is 15:10 in 12-hour time? (a) 5:10 p.m. (b) 3:10 a.m. (c) 3:10 p.m.
26. 26.A train leaves at 09:30 and reaches at 12:00. How long is the journey (in minutes)?
27. 27.A train leaves at 12:25 and reaches at 15:20. How long is the journey (in minutes)?
28. 28.Write 4:20 p.m. in 24-hour time. (a) 18:20 (b) 16:20 (c) 04:20
29. 29.Write 9:15 p.m. in 24-hour time. (a) 09:15 (b) 23:15 (c) 21:15
30. 30.How many hours are there from 08:00 to 14:00?
31. 31.A train leaves at 15:35 and reaches at 18:10. How long is the journey (in minutes)?
32. 32.A film is 1 hour 45 minutes long. How many minutes is that?
33. 33.How many hours are there from 07:00 to 20:00?
34. 34.What is 03:45 in 12-hour time? (a) 3:45 p.m. (b) 5:45 a.m. (c) 3:45 a.m.
35. 35.A train leaves at 13:40 and reaches at 16:25. How long is the journey (in minutes)?
36. 36.A train leaves at 11:55 and reaches at 12:55. How long is the journey (in minutes)?
37. 37.How many hours are there from 06:00 to 15:00?
38. 38.Write 5:30 p.m. in 24-hour time. (a) 19:30 (b) 05:30 (c) 17:30
39. 39.A train leaves at 17:20 and reaches at 19:00. How long is the journey (in minutes)?
40. 40.A film is 2 hours 15 minutes long. How many minutes is that?

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