Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 670 · 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 4:40 p.m. in 24-hour time. (a) 18:40 (b) 04:40 (c) 16:40
2. 2.Write 1:10 p.m. in 24-hour time. (a) 01:10 (b) 13:10 (c) 15:10
3. 3.How many hours are there from 11:00 to 14:00?
4. 4.A match starts at 08:45 and lasts 3 hours 35 minutes. At what time does it end? (a) 13:20 (b) 11:20 (c) 12:20
5. 5.How many hours are there from 06:00 to 10:00?
6. 6.A match starts at 08:25 and lasts 4 hours 10 minutes. At what time does it end? (a) 13:35 (b) 12:35 (c) 11:35
7. 7.A film is 4 hours 5 minutes long. How many minutes is that?
8. 8.How many hours are there from 05:00 to 15:00?
9. 9.A film is 2 hours 5 minutes long. How many minutes is that?
10. 10.A film is 2 hours 10 minutes long. How many minutes is that?
11. 11.A match starts at 12:20 and lasts 3 hours 10 minutes. At what time does it end? (a) 14:30 (b) 15:30 (c) 16:30
12. 12.A film is 1 hour 50 minutes long. How many minutes is that?
13. 13.What is 14:40 in 12-hour time? (a) 4:40 p.m. (b) 2:40 p.m. (c) 2:40 a.m.
14. 14.What is 09:25 in 12-hour time? (a) 9:25 p.m. (b) 11:25 a.m. (c) 9:25 a.m.
15. 15.What is 04:00 in 12-hour time? (a) 4:00 p.m. (b) 6:00 a.m. (c) 4:00 a.m.
16. 16.A film is 3 hours 55 minutes long. How many minutes is that?
17. 17.How many hours are there from 06:00 to 14:00?
18. 18.A train leaves at 11:30 and reaches at 14:20. How long is the journey (in minutes)?
19. 19.A match starts at 08:10 and lasts 3 hours 50 minutes. At what time does it end? (a) 12:00 (b) 13:00 (c) 11:00
20. 20.How many hours are there from 05:00 to 22:00?
21. 21.What is 01:55 in 12-hour time? (a) 1:55 p.m. (b) 1:55 a.m. (c) 3:55 a.m.
22. 22.A train leaves at 15:00 and reaches at 15:55. How long is the journey (in minutes)?
23. 23.How many hours are there from 09:00 to 11:00?
24. 24.How many hours are there from 09:00 to 16:00?
25. 25.What is 10:15 in 12-hour time? (a) 10:15 a.m. (b) 10:15 p.m. (c) 12:15 a.m.
26. 26.What is 04:10 in 12-hour time? (a) 4:10 a.m. (b) 4:10 p.m. (c) 6:10 a.m.
27. 27.What is 06:20 in 12-hour time? (a) 8:20 a.m. (b) 6:20 a.m. (c) 6:20 p.m.
28. 28.Write 7:45 a.m. in 24-hour time. (a) 07:45 (b) 19:45 (c) 09:45
29. 29.How many hours are there from 11:00 to 23:00?
30. 30.How many hours are there from 07:00 to 17:00?
31. 31.A match starts at 06:15 and lasts 3 hours 40 minutes. At what time does it end? (a) 09:55 (b) 10:55 (c) 08:55
32. 32.What is 23:10 in 12-hour time? (a) 11:10 p.m. (b) 1:10 p.m. (c) 11:10 a.m.
33. 33.A train leaves at 18:55 and reaches at 20:15. How long is the journey (in minutes)?
34. 34.How many hours are there from 12:00 to 15:00?
35. 35.Write 4:50 a.m. in 24-hour time. (a) 16:50 (b) 06:50 (c) 04:50
36. 36.What is 11:45 in 12-hour time? (a) 11:45 p.m. (b) 1:45 a.m. (c) 11:45 a.m.
37. 37.Write 10:50 a.m. in 24-hour time. (a) 22:50 (b) 12:50 (c) 10:50
38. 38.What is 23:40 in 12-hour time? (a) 1:40 p.m. (b) 11:40 p.m. (c) 11:40 a.m.
39. 39.What is 23:20 in 12-hour time? (a) 11:20 a.m. (b) 11:20 p.m. (c) 1:20 p.m.
40. 40.A train leaves at 11:05 and reaches at 14:25. How long is the journey (in minutes)?

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