Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 106 · 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 2:00 a.m. in 24-hour time. (a) 14:00 (b) 04:00 (c) 02:00
2. 2.Write 2:15 a.m. in 24-hour time. (a) 14:15 (b) 02:15 (c) 04:15
3. 3.A match starts at 16:35 and lasts 4 hours 35 minutes. At what time does it end? (a) 22:10 (b) 20:10 (c) 21:10
4. 4.What is 16:25 in 12-hour time? (a) 4:25 a.m. (b) 6:25 p.m. (c) 4:25 p.m.
5. 5.What is 04:10 in 12-hour time? (a) 4:10 a.m. (b) 4:10 p.m. (c) 6:10 a.m.
6. 6.Write 5:20 a.m. in 24-hour time. (a) 05:20 (b) 17:20 (c) 07:20
7. 7.How many hours are there from 07:00 to 10:00?
8. 8.A match starts at 14:30 and lasts 3 hours 30 minutes. At what time does it end? (a) 19:00 (b) 17:00 (c) 18:00
9. 9.Write 2:15 p.m. in 24-hour time. (a) 16:15 (b) 02:15 (c) 14:15
10. 10.Write 6:50 p.m. in 24-hour time. (a) 06:50 (b) 20:50 (c) 18:50
11. 11.A train leaves at 12:20 and reaches at 13:35. How long is the journey (in minutes)?
12. 12.What is 16:50 in 12-hour time? (a) 4:50 p.m. (b) 6:50 p.m. (c) 4:50 a.m.
13. 13.A match starts at 17:35 and lasts 2 hours 30 minutes. At what time does it end? (a) 21:05 (b) 20:05 (c) 19:05
14. 14.A film is 1 hour 55 minutes long. How many minutes is that?
15. 15.Write 7:15 p.m. in 24-hour time. (a) 21:15 (b) 19:15 (c) 07:15
16. 16.Write 11:35 p.m. in 24-hour time. (a) 23:35 (b) 01:35 (c) 11:35
17. 17.A film is 2 hours 50 minutes long. How many minutes is that?
18. 18.Write 11:15 p.m. in 24-hour time. (a) 23:15 (b) 11:15 (c) 01:15
19. 19.A film is 2 hours 5 minutes long. How many minutes is that?
20. 20.A film is 1 hour 30 minutes long. How many minutes is that?
21. 21.What is 23:00 in 12-hour time? (a) 11:00 a.m. (b) 1:00 p.m. (c) 11:00 p.m.
22. 22.A match starts at 07:40 and lasts 3 hours 40 minutes. At what time does it end? (a) 10:20 (b) 12:20 (c) 11:20
23. 23.A match starts at 15:25 and lasts 4 hours 5 minutes. At what time does it end? (a) 20:30 (b) 18:30 (c) 19:30
24. 24.What is 13:05 in 12-hour time? (a) 3:05 p.m. (b) 1:05 a.m. (c) 1:05 p.m.
25. 25.What is 13:25 in 12-hour time? (a) 1:25 a.m. (b) 3:25 p.m. (c) 1:25 p.m.
26. 26.What is 05:20 in 12-hour time? (a) 5:20 p.m. (b) 7:20 a.m. (c) 5:20 a.m.
27. 27.How many hours are there from 07:00 to 09:00?
28. 28.A film is 1 hour 25 minutes long. How many minutes is that?
29. 29.Write 7:30 a.m. in 24-hour time. (a) 19:30 (b) 07:30 (c) 09:30
30. 30.A film is 1 hour 50 minutes long. How many minutes is that?
31. 31.Write 11:35 a.m. in 24-hour time. (a) 11:35 (b) 13:35 (c) 23:35
32. 32.How many hours are there from 12:00 to 21:00?
33. 33.A film is 4 hours 15 minutes long. How many minutes is that?
34. 34.A film is 1 hour 5 minutes long. How many minutes is that?
35. 35.A match starts at 10:55 and lasts 4 hours. At what time does it end? (a) 13:55 (b) 15:55 (c) 14:55
36. 36.A match starts at 10:00 and lasts 3 hours 45 minutes. At what time does it end? (a) 13:45 (b) 14:45 (c) 12:45
37. 37.How many hours are there from 08:00 to 13:00?
38. 38.What is 17:15 in 12-hour time? (a) 5:15 a.m. (b) 5:15 p.m. (c) 7:15 p.m.
39. 39.How many hours are there from 08:00 to 16:00?
40. 40.How many hours are there from 05:00 to 12:00?

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