Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 237 · 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 07:55 and lasts 2 hours 25 minutes. At what time does it end? (a) 09:20 (b) 10:20 (c) 11:20
2. 2.Write 6:00 a.m. in 24-hour time. (a) 18:00 (b) 08:00 (c) 06:00
3. 3.A match starts at 09:50 and lasts 1 hour 55 minutes. At what time does it end? (a) 12:45 (b) 10:45 (c) 11:45
4. 4.Write 7:30 p.m. in 24-hour time. (a) 19:30 (b) 07:30 (c) 21:30
5. 5.A train leaves at 17:20 and reaches at 19:40. How long is the journey (in minutes)?
6. 6.Write 9:30 p.m. in 24-hour time. (a) 09:30 (b) 23:30 (c) 21:30
7. 7.How many hours are there from 12:00 to 20:00?
8. 8.A match starts at 16:15 and lasts 4 hours 45 minutes. At what time does it end? (a) 22:00 (b) 21:00 (c) 20:00
9. 9.A match starts at 10:25 and lasts 1 hour 25 minutes. At what time does it end? (a) 11:50 (b) 12:50 (c) 10:50
10. 10.A match starts at 16:05 and lasts 3 hours 10 minutes. At what time does it end? (a) 20:15 (b) 19:15 (c) 18:15
11. 11.A match starts at 09:20 and lasts 1 hour 35 minutes. At what time does it end? (a) 11:55 (b) 10:55 (c) 09:55
12. 12.A train leaves at 06:00 and reaches at 08:45. How long is the journey (in minutes)?
13. 13.How many hours are there from 10:00 to 18:00?
14. 14.What is 20:05 in 12-hour time? (a) 8:05 p.m. (b) 10:05 p.m. (c) 8:05 a.m.
15. 15.A film is 2 hours 30 minutes long. How many minutes is that?
16. 16.A train leaves at 18:30 and reaches at 19:25. How long is the journey (in minutes)?
17. 17.A film is 1 hour 55 minutes long. How many minutes is that?
18. 18.How many hours are there from 11:00 to 14:00?
19. 19.How many hours are there from 09:00 to 21:00?
20. 20.What is 01:30 in 12-hour time? (a) 3:30 a.m. (b) 1:30 a.m. (c) 1:30 p.m.
21. 21.What is 07:00 in 12-hour time? (a) 7:00 a.m. (b) 7:00 p.m. (c) 9:00 a.m.
22. 22.A film is 3 hours 5 minutes long. How many minutes is that?
23. 23.A film is 1 hour 25 minutes long. How many minutes is that?
24. 24.Write 6:50 a.m. in 24-hour time. (a) 08:50 (b) 18:50 (c) 06:50
25. 25.What is 10:30 in 12-hour time? (a) 12:30 a.m. (b) 10:30 a.m. (c) 10:30 p.m.
26. 26.What is 11:55 in 12-hour time? (a) 1:55 a.m. (b) 11:55 a.m. (c) 11:55 p.m.
27. 27.What is 16:25 in 12-hour time? (a) 6:25 p.m. (b) 4:25 p.m. (c) 4:25 a.m.
28. 28.A train leaves at 12:15 and reaches at 13:05. How long is the journey (in minutes)?
29. 29.What is 16:00 in 12-hour time? (a) 6:00 p.m. (b) 4:00 a.m. (c) 4:00 p.m.
30. 30.A train leaves at 12:00 and reaches at 13:10. How long is the journey (in minutes)?
31. 31.How many hours are there from 10:00 to 22:00?
32. 32.Write 6:55 p.m. in 24-hour time. (a) 06:55 (b) 20:55 (c) 18:55
33. 33.How many hours are there from 12:00 to 23:00?
34. 34.How many hours are there from 11:00 to 21:00?
35. 35.Write 10:40 a.m. in 24-hour time. (a) 10:40 (b) 22:40 (c) 12:40
36. 36.How many hours are there from 05:00 to 17:00?
37. 37.Write 6:10 p.m. in 24-hour time. (a) 20:10 (b) 06:10 (c) 18:10
38. 38.How many hours are there from 09:00 to 14:00?
39. 39.A match starts at 08:25 and lasts 2 hours. At what time does it end? (a) 11:25 (b) 09:25 (c) 10:25
40. 40.What is 18:00 in 12-hour time? (a) 8:00 p.m. (b) 6:00 a.m. (c) 6:00 p.m.

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