Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 746 · 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 film is 4 hours 5 minutes long. How many minutes is that?
2. 2.How many hours are there from 09:00 to 22:00?
3. 3.A match starts at 17:00 and lasts 4 hours. At what time does it end? (a) 20:00 (b) 22:00 (c) 21:00
4. 4.What is 17:55 in 12-hour time? (a) 5:55 p.m. (b) 7:55 p.m. (c) 5:55 a.m.
5. 5.A match starts at 09:25 and lasts 1 hour 45 minutes. At what time does it end? (a) 12:10 (b) 10:10 (c) 11:10
6. 6.A match starts at 15:25 and lasts 3 hours. At what time does it end? (a) 18:25 (b) 19:25 (c) 17:25
7. 7.What is 14:20 in 12-hour time? (a) 2:20 a.m. (b) 2:20 p.m. (c) 4:20 p.m.
8. 8.Write 6:30 a.m. in 24-hour time. (a) 06:30 (b) 08:30 (c) 18:30
9. 9.A match starts at 14:55 and lasts 2 hours 45 minutes. At what time does it end? (a) 17:40 (b) 16:40 (c) 18:40
10. 10.A train leaves at 07:35 and reaches at 09:20. How long is the journey (in minutes)?
11. 11.Write 4:15 a.m. in 24-hour time. (a) 06:15 (b) 16:15 (c) 04:15
12. 12.A film is 4 hours 20 minutes long. How many minutes is that?
13. 13.A match starts at 18:15 and lasts 3 hours 55 minutes. At what time does it end? (a) 21:10 (b) 22:10 (c) 23:10
14. 14.A match starts at 16:05 and lasts 3 hours. At what time does it end? (a) 20:05 (b) 19:05 (c) 18:05
15. 15.How many hours are there from 11:00 to 19:00?
16. 16.A match starts at 17:40 and lasts 3 hours. At what time does it end? (a) 20:40 (b) 21:40 (c) 19:40
17. 17.What is 01:05 in 12-hour time? (a) 3:05 a.m. (b) 1:05 p.m. (c) 1:05 a.m.
18. 18.A train leaves at 07:15 and reaches at 07:40. How long is the journey (in minutes)?
19. 19.A film is 4 hours 50 minutes long. How many minutes is that?
20. 20.Write 5:30 a.m. in 24-hour time. (a) 05:30 (b) 17:30 (c) 07:30
21. 21.A film is 4 hours 55 minutes long. How many minutes is that?
22. 22.A film is 2 hours 10 minutes long. How many minutes is that?
23. 23.How many hours are there from 05:00 to 14:00?
24. 24.A match starts at 15:30 and lasts 4 hours 45 minutes. At what time does it end? (a) 19:15 (b) 20:15 (c) 21:15
25. 25.What is 04:30 in 12-hour time? (a) 4:30 p.m. (b) 6:30 a.m. (c) 4:30 a.m.
26. 26.A train leaves at 12:50 and reaches at 13:20. How long is the journey (in minutes)?
27. 27.How many hours are there from 12:00 to 14:00?
28. 28.Write 10:55 a.m. in 24-hour time. (a) 10:55 (b) 12:55 (c) 22:55
29. 29.Write 9:35 a.m. in 24-hour time. (a) 09:35 (b) 21:35 (c) 11:35
30. 30.What is 06:55 in 12-hour time? (a) 8:55 a.m. (b) 6:55 p.m. (c) 6:55 a.m.
31. 31.How many hours are there from 06:00 to 16:00?
32. 32.Write 7:15 p.m. in 24-hour time. (a) 07:15 (b) 19:15 (c) 21:15
33. 33.A match starts at 11:30 and lasts 3 hours 45 minutes. At what time does it end? (a) 16:15 (b) 15:15 (c) 14:15
34. 34.Write 3:00 a.m. in 24-hour time. (a) 05:00 (b) 03:00 (c) 15:00
35. 35.A film is 4 hours 10 minutes long. How many minutes is that?
36. 36.A match starts at 17:55 and lasts 1 hour 45 minutes. At what time does it end? (a) 19:40 (b) 20:40 (c) 18:40
37. 37.A film is 2 hours 40 minutes long. How many minutes is that?
38. 38.Write 2:35 p.m. in 24-hour time. (a) 02:35 (b) 14:35 (c) 16:35
39. 39.How many hours are there from 08:00 to 18:00?
40. 40.Write 2:20 p.m. in 24-hour time. (a) 02:20 (b) 16:20 (c) 14:20

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