Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 139 · 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 2 hours 50 minutes long. How many minutes is that?
2. 2.How many hours are there from 12:00 to 14:00?
3. 3.What is 10:15 in 12-hour time? (a) 12:15 a.m. (b) 10:15 a.m. (c) 10:15 p.m.
4. 4.How many hours are there from 08:00 to 12:00?
5. 5.What is 07:10 in 12-hour time? (a) 7:10 a.m. (b) 9:10 a.m. (c) 7:10 p.m.
6. 6.A train leaves at 06:10 and reaches at 09:30. How long is the journey (in minutes)?
7. 7.Write 5:50 p.m. in 24-hour time. (a) 19:50 (b) 17:50 (c) 05:50
8. 8.A match starts at 08:35 and lasts 4 hours 50 minutes. At what time does it end? (a) 14:25 (b) 12:25 (c) 13:25
9. 9.How many hours are there from 06:00 to 23:00?
10. 10.What is 21:10 in 12-hour time? (a) 11:10 p.m. (b) 9:10 a.m. (c) 9:10 p.m.
11. 11.A train leaves at 16:30 and reaches at 17:40. How long is the journey (in minutes)?
12. 12.A train leaves at 09:55 and reaches at 12:00. How long is the journey (in minutes)?
13. 13.Write 2:50 a.m. in 24-hour time. (a) 02:50 (b) 04:50 (c) 14:50
14. 14.Write 9:30 a.m. in 24-hour time. (a) 21:30 (b) 09:30 (c) 11:30
15. 15.A match starts at 17:40 and lasts 3 hours 40 minutes. At what time does it end? (a) 22:20 (b) 20:20 (c) 21:20
16. 16.A match starts at 08:50 and lasts 4 hours 50 minutes. At what time does it end? (a) 12:40 (b) 14:40 (c) 13:40
17. 17.How many hours are there from 09:00 to 20:00?
18. 18.A film is 4 hours 5 minutes long. How many minutes is that?
19. 19.A film is 4 hours 35 minutes long. How many minutes is that?
20. 20.A match starts at 18:10 and lasts 3 hours 45 minutes. At what time does it end? (a) 22:55 (b) 20:55 (c) 21:55
21. 21.A film is 4 hours 30 minutes long. How many minutes is that?
22. 22.Write 3:55 a.m. in 24-hour time. (a) 03:55 (b) 05:55 (c) 15:55
23. 23.What is 14:25 in 12-hour time? (a) 2:25 p.m. (b) 4:25 p.m. (c) 2:25 a.m.
24. 24.Write 4:30 a.m. in 24-hour time. (a) 06:30 (b) 16:30 (c) 04:30
25. 25.A train leaves at 18:30 and reaches at 21:00. How long is the journey (in minutes)?
26. 26.Write 5:30 p.m. in 24-hour time. (a) 17:30 (b) 05:30 (c) 19:30
27. 27.What is 04:25 in 12-hour time? (a) 4:25 p.m. (b) 6:25 a.m. (c) 4:25 a.m.
28. 28.Write 11:40 p.m. in 24-hour time. (a) 11:40 (b) 01:40 (c) 23:40
29. 29.How many hours are there from 09:00 to 19:00?
30. 30.Write 4:55 a.m. in 24-hour time. (a) 06:55 (b) 04:55 (c) 16:55
31. 31.How many hours are there from 12:00 to 16:00?
32. 32.What is 10:25 in 12-hour time? (a) 10:25 p.m. (b) 12:25 a.m. (c) 10:25 a.m.
33. 33.Write 3:15 p.m. in 24-hour time. (a) 15:15 (b) 17:15 (c) 03:15
34. 34.Write 6:55 p.m. in 24-hour time. (a) 18:55 (b) 06:55 (c) 20:55
35. 35.A train leaves at 16:10 and reaches at 19:20. How long is the journey (in minutes)?
36. 36.A film is 3 hours 35 minutes long. How many minutes is that?
37. 37.What is 22:20 in 12-hour time? (a) 10:20 a.m. (b) 12:20 p.m. (c) 10:20 p.m.
38. 38.How many hours are there from 06:00 to 09:00?
39. 39.A train leaves at 17:20 and reaches at 18:45. How long is the journey (in minutes)?
40. 40.What is 03:55 in 12-hour time? (a) 3:55 a.m. (b) 3:55 p.m. (c) 5:55 a.m.

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