Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 715 · 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 match starts at 09:25 and lasts 1 hour 50 minutes. At what time does it end? (a) 11:15 (b) 12:15 (c) 10:15
2. 2.Write 7:05 a.m. in 24-hour time. (a) 19:05 (b) 09:05 (c) 07:05
3. 3.Write 4:35 a.m. in 24-hour time. (a) 16:35 (b) 06:35 (c) 04:35
4. 4.What is 13:35 in 12-hour time? (a) 1:35 a.m. (b) 1:35 p.m. (c) 3:35 p.m.
5. 5.A film is 4 hours 5 minutes long. How many minutes is that?
6. 6.Write 3:30 a.m. in 24-hour time. (a) 03:30 (b) 15:30 (c) 05:30
7. 7.A match starts at 12:30 and lasts 2 hours 45 minutes. At what time does it end? (a) 16:15 (b) 15:15 (c) 14:15
8. 8.Write 8:30 a.m. in 24-hour time. (a) 08:30 (b) 20:30 (c) 10:30
9. 9.A train leaves at 09:00 and reaches at 09:25. How long is the journey (in minutes)?
10. 10.How many hours are there from 09:00 to 20:00?
11. 11.A film is 2 hours 15 minutes long. How many minutes is that?
12. 12.What is 23:50 in 12-hour time? (a) 11:50 a.m. (b) 1:50 p.m. (c) 11:50 p.m.
13. 13.Write 7:50 a.m. in 24-hour time. (a) 19:50 (b) 07:50 (c) 09:50
14. 14.Write 7:15 p.m. in 24-hour time. (a) 19:15 (b) 07:15 (c) 21:15
15. 15.How many hours are there from 09:00 to 19:00?
16. 16.What is 20:50 in 12-hour time? (a) 8:50 p.m. (b) 8:50 a.m. (c) 10:50 p.m.
17. 17.A train leaves at 06:35 and reaches at 07:55. How long is the journey (in minutes)?
18. 18.A train leaves at 15:45 and reaches at 18:05. How long is the journey (in minutes)?
19. 19.A match starts at 09:55 and lasts 3 hours 15 minutes. At what time does it end? (a) 13:10 (b) 14:10 (c) 12:10
20. 20.A film is 3 hours 35 minutes long. How many minutes is that?
21. 21.What is 03:35 in 12-hour time? (a) 5:35 a.m. (b) 3:35 a.m. (c) 3:35 p.m.
22. 22.A train leaves at 12:30 and reaches at 13:20. How long is the journey (in minutes)?
23. 23.Write 2:25 a.m. in 24-hour time. (a) 02:25 (b) 04:25 (c) 14:25
24. 24.A match starts at 14:35 and lasts 4 hours 10 minutes. At what time does it end? (a) 19:45 (b) 18:45 (c) 17:45
25. 25.What is 13:20 in 12-hour time? (a) 1:20 a.m. (b) 1:20 p.m. (c) 3:20 p.m.
26. 26.What is 20:25 in 12-hour time? (a) 10:25 p.m. (b) 8:25 p.m. (c) 8:25 a.m.
27. 27.How many hours are there from 10:00 to 22:00?
28. 28.Write 2:55 p.m. in 24-hour time. (a) 16:55 (b) 02:55 (c) 14:55
29. 29.Write 2:05 p.m. in 24-hour time. (a) 02:05 (b) 14:05 (c) 16:05
30. 30.A film is 1 hour 35 minutes long. How many minutes is that?
31. 31.What is 16:10 in 12-hour time? (a) 4:10 a.m. (b) 6:10 p.m. (c) 4:10 p.m.
32. 32.How many hours are there from 12:00 to 22:00?
33. 33.A match starts at 18:20 and lasts 1 hour. At what time does it end? (a) 20:20 (b) 18:20 (c) 19:20
34. 34.How many hours are there from 12:00 to 17:00?
35. 35.How many hours are there from 07:00 to 18:00?
36. 36.A match starts at 09:05 and lasts 4 hours 45 minutes. At what time does it end? (a) 13:50 (b) 14:50 (c) 12:50
37. 37.A train leaves at 09:20 and reaches at 10:05. How long is the journey (in minutes)?
38. 38.How many hours are there from 06:00 to 20:00?
39. 39.How many hours are there from 10:00 to 18:00?
40. 40.A film is 4 hours 45 minutes long. How many minutes is that?

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