Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 999 · 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 17:30 and lasts 1 hour 40 minutes. At what time does it end? (a) 18:10 (b) 20:10 (c) 19:10
2. 2.How many hours are there from 05:00 to 08:00?
3. 3.A train leaves at 07:20 and reaches at 10:25. How long is the journey (in minutes)?
4. 4.A match starts at 15:10 and lasts 4 hours 5 minutes. At what time does it end? (a) 19:15 (b) 18:15 (c) 20:15
5. 5.Write 5:05 p.m. in 24-hour time. (a) 19:05 (b) 17:05 (c) 05:05
6. 6.How many hours are there from 11:00 to 20:00?
7. 7.What is 18:25 in 12-hour time? (a) 8:25 p.m. (b) 6:25 p.m. (c) 6:25 a.m.
8. 8.A film is 1 hour 5 minutes long. How many minutes is that?
9. 9.A train leaves at 16:25 and reaches at 17:05. How long is the journey (in minutes)?
10. 10.What is 15:10 in 12-hour time? (a) 3:10 p.m. (b) 5:10 p.m. (c) 3:10 a.m.
11. 11.Write 4:35 a.m. in 24-hour time. (a) 06:35 (b) 16:35 (c) 04:35
12. 12.A film is 2 hours 35 minutes long. How many minutes is that?
13. 13.A film is 4 hours 30 minutes long. How many minutes is that?
14. 14.What is 08:55 in 12-hour time? (a) 8:55 p.m. (b) 10:55 a.m. (c) 8:55 a.m.
15. 15.A match starts at 11:50 and lasts 2 hours 40 minutes. At what time does it end? (a) 15:30 (b) 14:30 (c) 13:30
16. 16.How many hours are there from 07:00 to 09:00?
17. 17.What is 04:10 in 12-hour time? (a) 4:10 a.m. (b) 6:10 a.m. (c) 4:10 p.m.
18. 18.A train leaves at 19:20 and reaches at 21:25. How long is the journey (in minutes)?
19. 19.Write 2:35 p.m. in 24-hour time. (a) 16:35 (b) 02:35 (c) 14:35
20. 20.How many hours are there from 09:00 to 22:00?
21. 21.A match starts at 12:50 and lasts 3 hours 30 minutes. At what time does it end? (a) 15:20 (b) 16:20 (c) 17:20
22. 22.What is 15:20 in 12-hour time? (a) 3:20 p.m. (b) 3:20 a.m. (c) 5:20 p.m.
23. 23.Write 11:00 p.m. in 24-hour time. (a) 01:00 (b) 11:00 (c) 23:00
24. 24.How many hours are there from 05:00 to 21:00?
25. 25.How many hours are there from 08:00 to 17:00?
26. 26.What is 22:10 in 12-hour time? (a) 10:10 a.m. (b) 10:10 p.m. (c) 12:10 p.m.
27. 27.Write 1:45 p.m. in 24-hour time. (a) 13:45 (b) 01:45 (c) 15:45
28. 28.A train leaves at 14:20 and reaches at 15:10. How long is the journey (in minutes)?
29. 29.How many hours are there from 06:00 to 17:00?
30. 30.What is 18:45 in 12-hour time? (a) 6:45 p.m. (b) 8:45 p.m. (c) 6:45 a.m.
31. 31.A match starts at 11:15 and lasts 3 hours 10 minutes. At what time does it end? (a) 15:25 (b) 14:25 (c) 13:25
32. 32.A train leaves at 18:55 and reaches at 20:20. How long is the journey (in minutes)?
33. 33.A train leaves at 17:15 and reaches at 17:55. How long is the journey (in minutes)?
34. 34.Write 8:00 a.m. in 24-hour time. (a) 08:00 (b) 20:00 (c) 10:00
35. 35.A film is 3 hours 5 minutes long. How many minutes is that?
36. 36.What is 04:15 in 12-hour time? (a) 4:15 p.m. (b) 6:15 a.m. (c) 4:15 a.m.
37. 37.Write 2:40 p.m. in 24-hour time. (a) 16:40 (b) 02:40 (c) 14:40
38. 38.Write 6:35 p.m. in 24-hour time. (a) 18:35 (b) 20:35 (c) 06:35
39. 39.A film is 2 hours 55 minutes long. How many minutes is that?
40. 40.A train leaves at 11:05 and reaches at 12:10. How long is the journey (in minutes)?

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