Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 480 · 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 3 hours 30 minutes long. How many minutes is that?
2. 2.A film is 1 hour 20 minutes long. How many minutes is that?
3. 3.A film is 2 hours 15 minutes long. How many minutes is that?
4. 4.A match starts at 17:20 and lasts 4 hours 50 minutes. At what time does it end? (a) 22:10 (b) 23:10 (c) 21:10
5. 5.Write 10:45 a.m. in 24-hour time. (a) 22:45 (b) 10:45 (c) 12:45
6. 6.What is 09:45 in 12-hour time? (a) 9:45 p.m. (b) 11:45 a.m. (c) 9:45 a.m.
7. 7.A match starts at 14:50 and lasts 3 hours 50 minutes. At what time does it end? (a) 17:40 (b) 18:40 (c) 19:40
8. 8.How many hours are there from 10:00 to 23:00?
9. 9.Write 10:30 a.m. in 24-hour time. (a) 22:30 (b) 12:30 (c) 10:30
10. 10.What is 06:40 in 12-hour time? (a) 6:40 p.m. (b) 8:40 a.m. (c) 6:40 a.m.
11. 11.A match starts at 12:00 and lasts 1 hour 40 minutes. At what time does it end? (a) 12:40 (b) 14:40 (c) 13:40
12. 12.A train leaves at 17:00 and reaches at 19:50. How long is the journey (in minutes)?
13. 13.A train leaves at 09:05 and reaches at 12:00. How long is the journey (in minutes)?
14. 14.A match starts at 07:55 and lasts 1 hour 30 minutes. At what time does it end? (a) 10:25 (b) 08:25 (c) 09:25
15. 15.Write 5:20 p.m. in 24-hour time. (a) 19:20 (b) 17:20 (c) 05:20
16. 16.Write 10:05 a.m. in 24-hour time. (a) 22:05 (b) 12:05 (c) 10:05
17. 17.What is 22:55 in 12-hour time? (a) 12:55 p.m. (b) 10:55 a.m. (c) 10:55 p.m.
18. 18.How many hours are there from 12:00 to 14:00?
19. 19.A film is 1 hour 45 minutes long. How many minutes is that?
20. 20.A match starts at 14:10 and lasts 1 hour 30 minutes. At what time does it end? (a) 16:40 (b) 14:40 (c) 15:40
21. 21.A film is 4 hours 35 minutes long. How many minutes is that?
22. 22.A match starts at 14:55 and lasts 4 hours 35 minutes. At what time does it end? (a) 20:30 (b) 18:30 (c) 19:30
23. 23.Write 9:10 p.m. in 24-hour time. (a) 21:10 (b) 23:10 (c) 09:10
24. 24.How many hours are there from 09:00 to 12:00?
25. 25.What is 14:35 in 12-hour time? (a) 4:35 p.m. (b) 2:35 p.m. (c) 2:35 a.m.
26. 26.What is 17:40 in 12-hour time? (a) 7:40 p.m. (b) 5:40 p.m. (c) 5:40 a.m.
27. 27.A train leaves at 07:05 and reaches at 09:05. How long is the journey (in minutes)?
28. 28.Write 4:35 p.m. in 24-hour time. (a) 16:35 (b) 04:35 (c) 18:35
29. 29.Write 1:35 a.m. in 24-hour time. (a) 03:35 (b) 13:35 (c) 01:35
30. 30.A film is 3 hours 15 minutes long. How many minutes is that?
31. 31.Write 5:30 a.m. in 24-hour time. (a) 05:30 (b) 17:30 (c) 07:30
32. 32.How many hours are there from 09:00 to 16:00?
33. 33.Write 7:50 p.m. in 24-hour time. (a) 07:50 (b) 19:50 (c) 21:50
34. 34.Write 9:35 a.m. in 24-hour time. (a) 21:35 (b) 09:35 (c) 11:35
35. 35.A film is 1 hour 5 minutes long. How many minutes is that?
36. 36.How many hours are there from 11:00 to 20:00?
37. 37.Write 2:20 p.m. in 24-hour time. (a) 14:20 (b) 16:20 (c) 02:20
38. 38.What is 14:20 in 12-hour time? (a) 2:20 a.m. (b) 2:20 p.m. (c) 4:20 p.m.
39. 39.A match starts at 08:50 and lasts 2 hours 30 minutes. At what time does it end? (a) 12:20 (b) 11:20 (c) 10:20
40. 40.Write 1:15 a.m. in 24-hour time. (a) 03:15 (b) 13:15 (c) 01:15

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