Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 752 · 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.What is 16:50 in 12-hour time? (a) 4:50 p.m. (b) 4:50 a.m. (c) 6:50 p.m.
2. 2.A match starts at 06:35 and lasts 1 hour 55 minutes. At what time does it end? (a) 09:30 (b) 08:30 (c) 07:30
3. 3.How many hours are there from 06:00 to 10:00?
4. 4.Write 4:50 a.m. in 24-hour time. (a) 16:50 (b) 06:50 (c) 04:50
5. 5.Write 6:30 a.m. in 24-hour time. (a) 06:30 (b) 18:30 (c) 08:30
6. 6.A film is 3 hours 10 minutes long. How many minutes is that?
7. 7.Write 4:10 a.m. in 24-hour time. (a) 16:10 (b) 06:10 (c) 04:10
8. 8.Write 3:25 p.m. in 24-hour time. (a) 15:25 (b) 03:25 (c) 17:25
9. 9.A train leaves at 15:00 and reaches at 16:20. How long is the journey (in minutes)?
10. 10.A film is 4 hours 25 minutes long. How many minutes is that?
11. 11.Write 5:30 a.m. in 24-hour time. (a) 07:30 (b) 17:30 (c) 05:30
12. 12.What is 15:35 in 12-hour time? (a) 3:35 p.m. (b) 3:35 a.m. (c) 5:35 p.m.
13. 13.How many hours are there from 09:00 to 23:00?
14. 14.What is 20:30 in 12-hour time? (a) 8:30 p.m. (b) 8:30 a.m. (c) 10:30 p.m.
15. 15.How many hours are there from 11:00 to 23:00?
16. 16.What is 23:05 in 12-hour time? (a) 11:05 p.m. (b) 11:05 a.m. (c) 1:05 p.m.
17. 17.Write 5:15 a.m. in 24-hour time. (a) 17:15 (b) 05:15 (c) 07:15
18. 18.A train leaves at 11:50 and reaches at 14:00. How long is the journey (in minutes)?
19. 19.What is 06:10 in 12-hour time? (a) 6:10 a.m. (b) 8:10 a.m. (c) 6:10 p.m.
20. 20.How many hours are there from 12:00 to 21:00?
21. 21.Write 2:35 p.m. in 24-hour time. (a) 16:35 (b) 02:35 (c) 14:35
22. 22.Write 10:10 a.m. in 24-hour time. (a) 10:10 (b) 22:10 (c) 12:10
23. 23.What is 19:10 in 12-hour time? (a) 7:10 p.m. (b) 7:10 a.m. (c) 9:10 p.m.
24. 24.What is 16:15 in 12-hour time? (a) 4:15 p.m. (b) 6:15 p.m. (c) 4:15 a.m.
25. 25.Write 11:45 a.m. in 24-hour time. (a) 11:45 (b) 13:45 (c) 23:45
26. 26.A match starts at 14:20 and lasts 3 hours. At what time does it end? (a) 16:20 (b) 17:20 (c) 18:20
27. 27.A match starts at 18:00 and lasts 3 hours. At what time does it end? (a) 20:00 (b) 21:00 (c) 22:00
28. 28.What is 18:20 in 12-hour time? (a) 6:20 a.m. (b) 8:20 p.m. (c) 6:20 p.m.
29. 29.Write 6:05 p.m. in 24-hour time. (a) 06:05 (b) 20:05 (c) 18:05
30. 30.Write 3:05 a.m. in 24-hour time. (a) 03:05 (b) 05:05 (c) 15:05
31. 31.A film is 2 hours 55 minutes long. How many minutes is that?
32. 32.How many hours are there from 10:00 to 15:00?
33. 33.A train leaves at 11:55 and reaches at 14:15. How long is the journey (in minutes)?
34. 34.A match starts at 09:15 and lasts 1 hour. At what time does it end? (a) 10:15 (b) 11:15 (c) 09:15
35. 35.A film is 3 hours 25 minutes long. How many minutes is that?
36. 36.A film is 4 hours 40 minutes long. How many minutes is that?
37. 37.How many hours are there from 06:00 to 15:00?
38. 38.How many hours are there from 07:00 to 11:00?
39. 39.Write 10:55 a.m. in 24-hour time. (a) 22:55 (b) 10:55 (c) 12:55
40. 40.A match starts at 18:40 and lasts 1 hour 25 minutes. At what time does it end? (a) 21:05 (b) 20:05 (c) 19:05

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