Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 576 · 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 1 hour 25 minutes long. How many minutes is that?
2. 2.A train leaves at 13:10 and reaches at 15:15. How long is the journey (in minutes)?
3. 3.A train leaves at 18:15 and reaches at 21:20. How long is the journey (in minutes)?
4. 4.How many hours are there from 10:00 to 15:00?
5. 5.What is 23:20 in 12-hour time? (a) 1:20 p.m. (b) 11:20 p.m. (c) 11:20 a.m.
6. 6.Write 10:05 p.m. in 24-hour time. (a) 00:05 (b) 22:05 (c) 10:05
7. 7.A film is 2 hours 30 minutes long. How many minutes is that?
8. 8.Write 3:20 p.m. in 24-hour time. (a) 17:20 (b) 15:20 (c) 03:20
9. 9.Write 7:25 a.m. in 24-hour time. (a) 19:25 (b) 07:25 (c) 09:25
10. 10.A match starts at 08:15 and lasts 4 hours 45 minutes. At what time does it end? (a) 14:00 (b) 12:00 (c) 13:00
11. 11.How many hours are there from 10:00 to 20:00?
12. 12.A film is 1 hour 20 minutes long. How many minutes is that?
13. 13.How many hours are there from 09:00 to 17:00?
14. 14.Write 11:50 a.m. in 24-hour time. (a) 23:50 (b) 11:50 (c) 13:50
15. 15.A film is 3 hours 40 minutes long. How many minutes is that?
16. 16.A match starts at 06:20 and lasts 2 hours 50 minutes. At what time does it end? (a) 09:10 (b) 08:10 (c) 10:10
17. 17.What is 07:50 in 12-hour time? (a) 7:50 a.m. (b) 7:50 p.m. (c) 9:50 a.m.
18. 18.A match starts at 12:55 and lasts 4 hours 25 minutes. At what time does it end? (a) 16:20 (b) 18:20 (c) 17:20
19. 19.What is 19:25 in 12-hour time? (a) 9:25 p.m. (b) 7:25 a.m. (c) 7:25 p.m.
20. 20.A match starts at 13:05 and lasts 4 hours. At what time does it end? (a) 17:05 (b) 16:05 (c) 18:05
21. 21.Write 7:25 p.m. in 24-hour time. (a) 19:25 (b) 21:25 (c) 07:25
22. 22.A film is 3 hours 55 minutes long. How many minutes is that?
23. 23.How many hours are there from 10:00 to 22:00?
24. 24.A match starts at 11:10 and lasts 1 hour 50 minutes. At what time does it end? (a) 13:00 (b) 12:00 (c) 14:00
25. 25.What is 13:40 in 12-hour time? (a) 1:40 a.m. (b) 1:40 p.m. (c) 3:40 p.m.
26. 26.A train leaves at 08:10 and reaches at 09:40. How long is the journey (in minutes)?
27. 27.A match starts at 08:25 and lasts 1 hour 5 minutes. At what time does it end? (a) 09:30 (b) 10:30 (c) 08:30
28. 28.Write 2:10 p.m. in 24-hour time. (a) 16:10 (b) 02:10 (c) 14:10
29. 29.A match starts at 10:40 and lasts 1 hour 50 minutes. At what time does it end? (a) 13:30 (b) 11:30 (c) 12:30
30. 30.Write 5:05 p.m. in 24-hour time. (a) 05:05 (b) 17:05 (c) 19:05
31. 31.What is 01:25 in 12-hour time? (a) 1:25 a.m. (b) 1:25 p.m. (c) 3:25 a.m.
32. 32.What is 11:45 in 12-hour time? (a) 11:45 p.m. (b) 1:45 a.m. (c) 11:45 a.m.
33. 33.What is 05:55 in 12-hour time? (a) 5:55 p.m. (b) 5:55 a.m. (c) 7:55 a.m.
34. 34.Write 2:45 a.m. in 24-hour time. (a) 04:45 (b) 14:45 (c) 02:45
35. 35.What is 22:45 in 12-hour time? (a) 12:45 p.m. (b) 10:45 a.m. (c) 10:45 p.m.
36. 36.Write 2:55 a.m. in 24-hour time. (a) 04:55 (b) 14:55 (c) 02:55
37. 37.Write 1:25 p.m. in 24-hour time. (a) 13:25 (b) 15:25 (c) 01:25
38. 38.A film is 2 hours 45 minutes long. How many minutes is that?
39. 39.What is 09:15 in 12-hour time? (a) 11:15 a.m. (b) 9:15 p.m. (c) 9:15 a.m.
40. 40.How many hours are there from 10:00 to 14:00?

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