Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 346 · 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.How many hours are there from 09:00 to 23:00?
2. 2.What is 03:30 in 12-hour time? (a) 3:30 a.m. (b) 5:30 a.m. (c) 3:30 p.m.
3. 3.How many hours are there from 06:00 to 11:00?
4. 4.What is 10:35 in 12-hour time? (a) 10:35 a.m. (b) 12:35 a.m. (c) 10:35 p.m.
5. 5.How many hours are there from 06:00 to 16:00?
6. 6.A match starts at 08:05 and lasts 1 hour 5 minutes. At what time does it end? (a) 08:10 (b) 10:10 (c) 09:10
7. 7.What is 02:25 in 12-hour time? (a) 2:25 p.m. (b) 2:25 a.m. (c) 4:25 a.m.
8. 8.What is 05:00 in 12-hour time? (a) 5:00 p.m. (b) 5:00 a.m. (c) 7:00 a.m.
9. 9.What is 09:50 in 12-hour time? (a) 11:50 a.m. (b) 9:50 p.m. (c) 9:50 a.m.
10. 10.A train leaves at 13:10 and reaches at 13:35. How long is the journey (in minutes)?
11. 11.A match starts at 07:10 and lasts 2 hours 45 minutes. At what time does it end? (a) 08:55 (b) 09:55 (c) 10:55
12. 12.A train leaves at 12:05 and reaches at 14:30. How long is the journey (in minutes)?
13. 13.A film is 4 hours 30 minutes long. How many minutes is that?
14. 14.How many hours are there from 05:00 to 08:00?
15. 15.A train leaves at 19:30 and reaches at 22:20. How long is the journey (in minutes)?
16. 16.How many hours are there from 09:00 to 14:00?
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.What is 23:50 in 12-hour time? (a) 1:50 p.m. (b) 11:50 a.m. (c) 11:50 p.m.
19. 19.How many hours are there from 05:00 to 15:00?
20. 20.How many hours are there from 11:00 to 17:00?
21. 21.Write 3:00 a.m. in 24-hour time. (a) 15:00 (b) 03:00 (c) 05:00
22. 22.A train leaves at 09:45 and reaches at 12:15. How long is the journey (in minutes)?
23. 23.A match starts at 14:05 and lasts 3 hours 15 minutes. At what time does it end? (a) 17:20 (b) 18:20 (c) 16:20
24. 24.A match starts at 14:40 and lasts 4 hours 10 minutes. At what time does it end? (a) 17:50 (b) 18:50 (c) 19:50
25. 25.What is 04:35 in 12-hour time? (a) 4:35 p.m. (b) 4:35 a.m. (c) 6:35 a.m.
26. 26.A film is 1 hour 50 minutes long. How many minutes is that?
27. 27.How many hours are there from 09:00 to 21:00?
28. 28.A film is 4 hours 40 minutes long. How many minutes is that?
29. 29.Write 1:45 a.m. in 24-hour time. (a) 13:45 (b) 01:45 (c) 03:45
30. 30.How many hours are there from 08:00 to 15:00?
31. 31.Write 10:00 p.m. in 24-hour time. (a) 00:00 (b) 22:00 (c) 10:00
32. 32.Write 8:00 p.m. in 24-hour time. (a) 22:00 (b) 20:00 (c) 08:00
33. 33.What is 01:35 in 12-hour time? (a) 1:35 p.m. (b) 3:35 a.m. (c) 1:35 a.m.
34. 34.A match starts at 06:25 and lasts 3 hours 10 minutes. At what time does it end? (a) 09:35 (b) 10:35 (c) 08:35
35. 35.A match starts at 17:45 and lasts 1 hour 55 minutes. At what time does it end? (a) 20:40 (b) 19:40 (c) 18:40
36. 36.A film is 2 hours 30 minutes long. How many minutes is that?
37. 37.How many hours are there from 10:00 to 15:00?
38. 38.How many hours are there from 06:00 to 22:00?
39. 39.A train leaves at 13:15 and reaches at 15:25. How long is the journey (in minutes)?
40. 40.How many hours are there from 12:00 to 15:00?

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