Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 394 · 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.Write 8:10 p.m. in 24-hour time. (a) 08:10 (b) 20:10 (c) 22:10
2. 2.How many hours are there from 08:00 to 12:00?
3. 3.A train leaves at 18:05 and reaches at 18:30. How long is the journey (in minutes)?
4. 4.A film is 4 hours 45 minutes long. How many minutes is that?
5. 5.What is 14:35 in 12-hour time? (a) 4:35 p.m. (b) 2:35 a.m. (c) 2:35 p.m.
6. 6.A train leaves at 19:25 and reaches at 21:45. How long is the journey (in minutes)?
7. 7.What is 21:40 in 12-hour time? (a) 9:40 a.m. (b) 9:40 p.m. (c) 11:40 p.m.
8. 8.A match starts at 16:40 and lasts 1 hour 35 minutes. At what time does it end? (a) 19:15 (b) 18:15 (c) 17:15
9. 9.A film is 4 hours 20 minutes long. How many minutes is that?
10. 10.What is 21:35 in 12-hour time? (a) 9:35 a.m. (b) 9:35 p.m. (c) 11:35 p.m.
11. 11.A match starts at 12:05 and lasts 2 hours 20 minutes. At what time does it end? (a) 15:25 (b) 13:25 (c) 14:25
12. 12.A film is 3 hours 50 minutes long. How many minutes is that?
13. 13.What is 20:40 in 12-hour time? (a) 10:40 p.m. (b) 8:40 p.m. (c) 8:40 a.m.
14. 14.How many hours are there from 07:00 to 15:00?
15. 15.Write 10:10 a.m. in 24-hour time. (a) 12:10 (b) 22:10 (c) 10:10
16. 16.Write 8:55 a.m. in 24-hour time. (a) 08:55 (b) 10:55 (c) 20:55
17. 17.Write 3:00 p.m. in 24-hour time. (a) 15:00 (b) 17:00 (c) 03:00
18. 18.What is 15:40 in 12-hour time? (a) 3:40 p.m. (b) 5:40 p.m. (c) 3:40 a.m.
19. 19.How many hours are there from 09:00 to 11:00?
20. 20.A film is 3 hours 5 minutes long. How many minutes is that?
21. 21.How many hours are there from 12:00 to 16:00?
22. 22.A film is 2 hours 50 minutes long. How many minutes is that?
23. 23.A train leaves at 17:40 and reaches at 19:55. How long is the journey (in minutes)?
24. 24.How many hours are there from 09:00 to 23:00?
25. 25.A match starts at 14:15 and lasts 4 hours 5 minutes. At what time does it end? (a) 19:20 (b) 18:20 (c) 17:20
26. 26.How many hours are there from 11:00 to 20:00?
27. 27.How many hours are there from 05:00 to 17:00?
28. 28.What is 02:10 in 12-hour time? (a) 2:10 a.m. (b) 2:10 p.m. (c) 4:10 a.m.
29. 29.What is 08:35 in 12-hour time? (a) 10:35 a.m. (b) 8:35 p.m. (c) 8:35 a.m.
30. 30.What is 03:20 in 12-hour time? (a) 5:20 a.m. (b) 3:20 p.m. (c) 3:20 a.m.
31. 31.A film is 4 hours 30 minutes long. How many minutes is that?
32. 32.A train leaves at 17:25 and reaches at 18:35. How long is the journey (in minutes)?
33. 33.How many hours are there from 11:00 to 13:00?
34. 34.How many hours are there from 08:00 to 21:00?
35. 35.What is 04:35 in 12-hour time? (a) 6:35 a.m. (b) 4:35 a.m. (c) 4:35 p.m.
36. 36.A film is 4 hours 15 minutes long. How many minutes is that?
37. 37.A film is 4 hours 40 minutes long. How many minutes is that?
38. 38.Write 3:20 p.m. in 24-hour time. (a) 15:20 (b) 17:20 (c) 03:20
39. 39.A match starts at 17:00 and lasts 1 hour 50 minutes. At what time does it end? (a) 19:50 (b) 18:50 (c) 17:50
40. 40.What is 13:10 in 12-hour time? (a) 3:10 p.m. (b) 1:10 a.m. (c) 1:10 p.m.

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