Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 505 · 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 12:00 to 17:00?
2. 2.A film is 3 hours 55 minutes long. How many minutes is that?
3. 3.Write 3:30 a.m. in 24-hour time. (a) 15:30 (b) 03:30 (c) 05:30
4. 4.What is 10:50 in 12-hour time? (a) 12:50 a.m. (b) 10:50 p.m. (c) 10:50 a.m.
5. 5.How many hours are there from 06:00 to 14:00?
6. 6.A match starts at 06:35 and lasts 1 hour. At what time does it end? (a) 08:35 (b) 07:35 (c) 06:35
7. 7.How many hours are there from 05:00 to 15:00?
8. 8.What is 20:25 in 12-hour time? (a) 8:25 a.m. (b) 10:25 p.m. (c) 8:25 p.m.
9. 9.Write 11:45 p.m. in 24-hour time. (a) 01:45 (b) 23:45 (c) 11:45
10. 10.A train leaves at 12:55 and reaches at 13:40. How long is the journey (in minutes)?
11. 11.How many hours are there from 09:00 to 22:00?
12. 12.What is 16:15 in 12-hour time? (a) 4:15 p.m. (b) 6:15 p.m. (c) 4:15 a.m.
13. 13.A match starts at 10:00 and lasts 1 hour 10 minutes. At what time does it end? (a) 12:10 (b) 10:10 (c) 11:10
14. 14.What is 21:00 in 12-hour time? (a) 9:00 a.m. (b) 9:00 p.m. (c) 11:00 p.m.
15. 15.What is 21:20 in 12-hour time? (a) 9:20 a.m. (b) 11:20 p.m. (c) 9:20 p.m.
16. 16.A train leaves at 14:10 and reaches at 15:15. How long is the journey (in minutes)?
17. 17.How many hours are there from 10:00 to 14:00?
18. 18.A train leaves at 15:00 and reaches at 16:35. How long is the journey (in minutes)?
19. 19.What is 07:45 in 12-hour time? (a) 7:45 p.m. (b) 9:45 a.m. (c) 7:45 a.m.
20. 20.What is 14:40 in 12-hour time? (a) 4:40 p.m. (b) 2:40 p.m. (c) 2:40 a.m.
21. 21.A film is 4 hours 40 minutes long. How many minutes is that?
22. 22.What is 03:55 in 12-hour time? (a) 3:55 p.m. (b) 3:55 a.m. (c) 5:55 a.m.
23. 23.A match starts at 06:40 and lasts 1 hour 40 minutes. At what time does it end? (a) 09:20 (b) 07:20 (c) 08:20
24. 24.A match starts at 07:40 and lasts 1 hour 5 minutes. At what time does it end? (a) 09:45 (b) 07:45 (c) 08:45
25. 25.How many hours are there from 10:00 to 19:00?
26. 26.Write 10:05 a.m. in 24-hour time. (a) 12:05 (b) 22:05 (c) 10:05
27. 27.A film is 1 hour 55 minutes long. How many minutes is that?
28. 28.A match starts at 11:00 and lasts 3 hours 15 minutes. At what time does it end? (a) 13:15 (b) 14:15 (c) 15:15
29. 29.A train leaves at 07:25 and reaches at 08:55. How long is the journey (in minutes)?
30. 30.How many hours are there from 06:00 to 10:00?
31. 31.What is 15:55 in 12-hour time? (a) 3:55 a.m. (b) 3:55 p.m. (c) 5:55 p.m.
32. 32.A train leaves at 19:05 and reaches at 21:55. How long is the journey (in minutes)?
33. 33.What is 06:30 in 12-hour time? (a) 6:30 p.m. (b) 8:30 a.m. (c) 6:30 a.m.
34. 34.A match starts at 11:25 and lasts 3 hours 30 minutes. At what time does it end? (a) 13:55 (b) 14:55 (c) 15:55
35. 35.A train leaves at 09:10 and reaches at 10:25. How long is the journey (in minutes)?
36. 36.What is 03:25 in 12-hour time? (a) 3:25 p.m. (b) 5:25 a.m. (c) 3:25 a.m.
37. 37.How many hours are there from 10:00 to 17:00?
38. 38.A match starts at 17:40 and lasts 3 hours 30 minutes. At what time does it end? (a) 20:10 (b) 22:10 (c) 21:10
39. 39.How many hours are there from 07:00 to 13:00?
40. 40.A train leaves at 10:55 and reaches at 11:50. How long is the journey (in minutes)?

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