Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 587 · 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 2:05 a.m. in 24-hour time. (a) 04:05 (b) 02:05 (c) 14:05
2. 2.Write 8:40 p.m. in 24-hour time. (a) 20:40 (b) 22:40 (c) 08:40
3. 3.A train leaves at 07:10 and reaches at 08:05. How long is the journey (in minutes)?
4. 4.Write 5:00 a.m. in 24-hour time. (a) 07:00 (b) 17:00 (c) 05:00
5. 5.What is 16:40 in 12-hour time? (a) 6:40 p.m. (b) 4:40 a.m. (c) 4:40 p.m.
6. 6.A film is 4 hours 10 minutes long. How many minutes is that?
7. 7.A match starts at 08:00 and lasts 2 hours 40 minutes. At what time does it end? (a) 10:40 (b) 09:40 (c) 11:40
8. 8.A film is 2 hours 45 minutes long. How many minutes is that?
9. 9.How many hours are there from 11:00 to 20:00?
10. 10.Write 9:25 p.m. in 24-hour time. (a) 09:25 (b) 23:25 (c) 21:25
11. 11.A film is 2 hours 20 minutes long. How many minutes is that?
12. 12.Write 3:50 a.m. in 24-hour time. (a) 15:50 (b) 05:50 (c) 03:50
13. 13.A film is 1 hour 15 minutes long. How many minutes is that?
14. 14.How many hours are there from 09:00 to 18:00?
15. 15.A train leaves at 18:55 and reaches at 19:55. How long is the journey (in minutes)?
16. 16.What is 02:05 in 12-hour time? (a) 4:05 a.m. (b) 2:05 a.m. (c) 2:05 p.m.
17. 17.How many hours are there from 07:00 to 21:00?
18. 18.What is 07:40 in 12-hour time? (a) 7:40 p.m. (b) 7:40 a.m. (c) 9:40 a.m.
19. 19.How many hours are there from 07:00 to 19:00?
20. 20.A match starts at 07:05 and lasts 3 hours 30 minutes. At what time does it end? (a) 10:35 (b) 09:35 (c) 11:35
21. 21.A train leaves at 17:35 and reaches at 19:20. How long is the journey (in minutes)?
22. 22.Write 10:40 p.m. in 24-hour time. (a) 10:40 (b) 00:40 (c) 22:40
23. 23.What is 02:10 in 12-hour time? (a) 4:10 a.m. (b) 2:10 a.m. (c) 2:10 p.m.
24. 24.What is 01:05 in 12-hour time? (a) 1:05 p.m. (b) 1:05 a.m. (c) 3:05 a.m.
25. 25.A train leaves at 11:10 and reaches at 14:25. How long is the journey (in minutes)?
26. 26.How many hours are there from 10:00 to 18:00?
27. 27.What is 04:10 in 12-hour time? (a) 6:10 a.m. (b) 4:10 p.m. (c) 4:10 a.m.
28. 28.Write 11:10 a.m. in 24-hour time. (a) 23:10 (b) 13:10 (c) 11:10
29. 29.Write 6:50 p.m. in 24-hour time. (a) 20:50 (b) 18:50 (c) 06:50
30. 30.A match starts at 06:05 and lasts 2 hours 40 minutes. At what time does it end? (a) 07:45 (b) 08:45 (c) 09:45
31. 31.How many hours are there from 06:00 to 10:00?
32. 32.A train leaves at 11:55 and reaches at 13:10. How long is the journey (in minutes)?
33. 33.Write 9:25 a.m. in 24-hour time. (a) 09:25 (b) 21:25 (c) 11:25
34. 34.A match starts at 13:10 and lasts 3 hours 15 minutes. At what time does it end? (a) 17:25 (b) 15:25 (c) 16:25
35. 35.How many hours are there from 06:00 to 15:00?
36. 36.A train leaves at 15:25 and reaches at 17:15. How long is the journey (in minutes)?
37. 37.A match starts at 18:15 and lasts 1 hour 40 minutes. At what time does it end? (a) 19:55 (b) 20:55 (c) 18:55
38. 38.What is 23:45 in 12-hour time? (a) 11:45 a.m. (b) 1:45 p.m. (c) 11:45 p.m.
39. 39.How many hours are there from 11:00 to 14:00?
40. 40.A train leaves at 15:05 and reaches at 18:10. How long is the journey (in minutes)?

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