Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 910 · 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 1 hour 5 minutes long. How many minutes is that?
2. 2.A match starts at 16:00 and lasts 2 hours 55 minutes. At what time does it end? (a) 17:55 (b) 18:55 (c) 19:55
3. 3.A train leaves at 18:40 and reaches at 20:00. How long is the journey (in minutes)?
4. 4.How many hours are there from 06:00 to 14:00?
5. 5.Write 8:20 p.m. in 24-hour time. (a) 08:20 (b) 20:20 (c) 22:20
6. 6.Write 6:25 a.m. in 24-hour time. (a) 08:25 (b) 18:25 (c) 06:25
7. 7.A train leaves at 14:05 and reaches at 16:00. How long is the journey (in minutes)?
8. 8.A film is 1 hour 35 minutes long. How many minutes is that?
9. 9.What is 18:30 in 12-hour time? (a) 8:30 p.m. (b) 6:30 a.m. (c) 6:30 p.m.
10. 10.A film is 1 hour 20 minutes long. How many minutes is that?
11. 11.How many hours are there from 11:00 to 15:00?
12. 12.A train leaves at 10:55 and reaches at 12:40. How long is the journey (in minutes)?
13. 13.A match starts at 15:50 and lasts 3 hours 25 minutes. At what time does it end? (a) 20:15 (b) 18:15 (c) 19:15
14. 14.A match starts at 12:10 and lasts 2 hours 35 minutes. At what time does it end? (a) 14:45 (b) 13:45 (c) 15:45
15. 15.How many hours are there from 12:00 to 17:00?
16. 16.What is 16:05 in 12-hour time? (a) 4:05 p.m. (b) 6:05 p.m. (c) 4:05 a.m.
17. 17.What is 06:25 in 12-hour time? (a) 8:25 a.m. (b) 6:25 p.m. (c) 6:25 a.m.
18. 18.A film is 4 hours 50 minutes long. How many minutes is that?
19. 19.How many hours are there from 05:00 to 21:00?
20. 20.How many hours are there from 06:00 to 15:00?
21. 21.Write 2:25 a.m. in 24-hour time. (a) 02:25 (b) 04:25 (c) 14:25
22. 22.A train leaves at 07:10 and reaches at 08:00. How long is the journey (in minutes)?
23. 23.A match starts at 14:40 and lasts 4 hours 5 minutes. At what time does it end? (a) 19:45 (b) 17:45 (c) 18:45
24. 24.Write 11:10 a.m. in 24-hour time. (a) 23:10 (b) 13:10 (c) 11:10
25. 25.A match starts at 18:10 and lasts 2 hours 50 minutes. At what time does it end? (a) 20:00 (b) 21:00 (c) 22:00
26. 26.A film is 3 hours 35 minutes long. How many minutes is that?
27. 27.What is 21:40 in 12-hour time? (a) 9:40 a.m. (b) 11:40 p.m. (c) 9:40 p.m.
28. 28.Write 2:50 p.m. in 24-hour time. (a) 14:50 (b) 16:50 (c) 02:50
29. 29.How many hours are there from 12:00 to 21:00?
30. 30.Write 4:10 p.m. in 24-hour time. (a) 16:10 (b) 18:10 (c) 04:10
31. 31.Write 9:15 p.m. in 24-hour time. (a) 23:15 (b) 21:15 (c) 09:15
32. 32.A match starts at 11:55 and lasts 2 hours 5 minutes. At what time does it end? (a) 13:00 (b) 15:00 (c) 14:00
33. 33.What is 13:25 in 12-hour time? (a) 1:25 p.m. (b) 1:25 a.m. (c) 3:25 p.m.
34. 34.What is 16:25 in 12-hour time? (a) 4:25 p.m. (b) 4:25 a.m. (c) 6:25 p.m.
35. 35.What is 03:35 in 12-hour time? (a) 5:35 a.m. (b) 3:35 p.m. (c) 3:35 a.m.
36. 36.What is 21:15 in 12-hour time? (a) 11:15 p.m. (b) 9:15 p.m. (c) 9:15 a.m.
37. 37.How many hours are there from 10:00 to 19:00?
38. 38.How many hours are there from 09:00 to 21:00?
39. 39.Write 8:50 a.m. in 24-hour time. (a) 20:50 (b) 10:50 (c) 08:50
40. 40.What is 04:40 in 12-hour time? (a) 4:40 a.m. (b) 6:40 a.m. (c) 4:40 p.m.

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