Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 135 · 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 match starts at 12:45 and lasts 3 hours 30 minutes. At what time does it end? (a) 17:15 (b) 16:15 (c) 15:15
2. 2.What is 16:50 in 12-hour time? (a) 6:50 p.m. (b) 4:50 p.m. (c) 4:50 a.m.
3. 3.A film is 4 hours 15 minutes long. How many minutes is that?
4. 4.How many hours are there from 09:00 to 22:00?
5. 5.A train leaves at 16:05 and reaches at 18:35. How long is the journey (in minutes)?
6. 6.A match starts at 14:15 and lasts 3 hours 20 minutes. At what time does it end? (a) 16:35 (b) 17:35 (c) 18:35
7. 7.A match starts at 11:45 and lasts 1 hour 10 minutes. At what time does it end? (a) 12:55 (b) 13:55 (c) 11:55
8. 8.A match starts at 12:10 and lasts 1 hour 30 minutes. At what time does it end? (a) 12:40 (b) 13:40 (c) 14:40
9. 9.Write 10:00 a.m. in 24-hour time. (a) 12:00 (b) 10:00 (c) 22:00
10. 10.A film is 1 hour 45 minutes long. How many minutes is that?
11. 11.Write 10:00 p.m. in 24-hour time. (a) 22:00 (b) 10:00 (c) 00:00
12. 12.A film is 1 hour 20 minutes long. How many minutes is that?
13. 13.How many hours are there from 11:00 to 13:00?
14. 14.Write 11:00 p.m. in 24-hour time. (a) 11:00 (b) 23:00 (c) 01:00
15. 15.How many hours are there from 05:00 to 19:00?
16. 16.Write 1:50 a.m. in 24-hour time. (a) 01:50 (b) 13:50 (c) 03:50
17. 17.What is 20:00 in 12-hour time? (a) 10:00 p.m. (b) 8:00 a.m. (c) 8:00 p.m.
18. 18.A train leaves at 14:25 and reaches at 15:30. How long is the journey (in minutes)?
19. 19.A train leaves at 14:05 and reaches at 14:35. How long is the journey (in minutes)?
20. 20.How many hours are there from 07:00 to 22:00?
21. 21.How many hours are there from 09:00 to 15:00?
22. 22.A film is 4 hours 40 minutes long. How many minutes is that?
23. 23.A film is 1 hour 15 minutes long. How many minutes is that?
24. 24.Write 6:00 p.m. in 24-hour time. (a) 20:00 (b) 06:00 (c) 18:00
25. 25.Write 8:10 p.m. in 24-hour time. (a) 08:10 (b) 20:10 (c) 22:10
26. 26.A match starts at 07:10 and lasts 3 hours 50 minutes. At what time does it end? (a) 10:00 (b) 12:00 (c) 11:00
27. 27.How many hours are there from 05:00 to 08:00?
28. 28.A film is 2 hours 15 minutes long. How many minutes is that?
29. 29.A match starts at 10:35 and lasts 3 hours 50 minutes. At what time does it end? (a) 14:25 (b) 13:25 (c) 15:25
30. 30.A match starts at 14:15 and lasts 1 hour 5 minutes. At what time does it end? (a) 16:20 (b) 15:20 (c) 14:20
31. 31.Write 10:35 p.m. in 24-hour time. (a) 10:35 (b) 00:35 (c) 22:35
32. 32.A match starts at 14:45 and lasts 3 hours 40 minutes. At what time does it end? (a) 17:25 (b) 19:25 (c) 18:25
33. 33.Write 3:05 p.m. in 24-hour time. (a) 17:05 (b) 03:05 (c) 15:05
34. 34.Write 11:35 a.m. in 24-hour time. (a) 11:35 (b) 23:35 (c) 13:35
35. 35.A train leaves at 17:40 and reaches at 18:15. How long is the journey (in minutes)?
36. 36.A film is 3 hours 15 minutes long. How many minutes is that?
37. 37.How many hours are there from 12:00 to 18:00?
38. 38.A film is 3 hours 5 minutes long. How many minutes is that?
39. 39.What is 10:30 in 12-hour time? (a) 10:30 a.m. (b) 12:30 a.m. (c) 10:30 p.m.
40. 40.What is 03:25 in 12-hour time? (a) 5:25 a.m. (b) 3:25 a.m. (c) 3:25 p.m.

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