Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 753 · 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 10:45 and lasts 1 hour 25 minutes. At what time does it end? (a) 12:10 (b) 13:10 (c) 11:10
2. 2.How many hours are there from 11:00 to 15:00?
3. 3.A train leaves at 06:45 and reaches at 10:05. How long is the journey (in minutes)?
4. 4.Write 1:25 a.m. in 24-hour time. (a) 03:25 (b) 01:25 (c) 13:25
5. 5.A train leaves at 19:50 and reaches at 22:35. How long is the journey (in minutes)?
6. 6.Write 6:10 a.m. in 24-hour time. (a) 06:10 (b) 08:10 (c) 18:10
7. 7.What is 20:15 in 12-hour time? (a) 8:15 p.m. (b) 8:15 a.m. (c) 10:15 p.m.
8. 8.A train leaves at 12:10 and reaches at 12:55. How long is the journey (in minutes)?
9. 9.Write 3:15 a.m. in 24-hour time. (a) 15:15 (b) 05:15 (c) 03:15
10. 10.How many hours are there from 06:00 to 13:00?
11. 11.A film is 2 hours 10 minutes long. How many minutes is that?
12. 12.Write 7:20 p.m. in 24-hour time. (a) 07:20 (b) 19:20 (c) 21:20
13. 13.How many hours are there from 11:00 to 14:00?
14. 14.How many hours are there from 06:00 to 18:00?
15. 15.What is 14:40 in 12-hour time? (a) 2:40 a.m. (b) 4:40 p.m. (c) 2:40 p.m.
16. 16.A match starts at 09:25 and lasts 3 hours 25 minutes. At what time does it end? (a) 12:50 (b) 13:50 (c) 11:50
17. 17.A train leaves at 17:25 and reaches at 19:10. How long is the journey (in minutes)?
18. 18.A train leaves at 07:30 and reaches at 10:30. How long is the journey (in minutes)?
19. 19.What is 20:00 in 12-hour time? (a) 8:00 a.m. (b) 10:00 p.m. (c) 8:00 p.m.
20. 20.A match starts at 18:00 and lasts 1 hour. At what time does it end? (a) 20:00 (b) 19:00 (c) 18:00
21. 21.A film is 3 hours 5 minutes long. How many minutes is that?
22. 22.A match starts at 18:50 and lasts 3 hours 5 minutes. At what time does it end? (a) 22:55 (b) 20:55 (c) 21:55
23. 23.What is 06:00 in 12-hour time? (a) 8:00 a.m. (b) 6:00 p.m. (c) 6:00 a.m.
24. 24.A train leaves at 06:15 and reaches at 06:55. How long is the journey (in minutes)?
25. 25.A match starts at 11:30 and lasts 3 hours 45 minutes. At what time does it end? (a) 14:15 (b) 15:15 (c) 16:15
26. 26.What is 14:35 in 12-hour time? (a) 4:35 p.m. (b) 2:35 a.m. (c) 2:35 p.m.
27. 27.A film is 3 hours 50 minutes long. How many minutes is that?
28. 28.A train leaves at 07:55 and reaches at 09:30. How long is the journey (in minutes)?
29. 29.A train leaves at 12:30 and reaches at 15:35. How long is the journey (in minutes)?
30. 30.A match starts at 15:15 and lasts 3 hours 10 minutes. At what time does it end? (a) 18:25 (b) 19:25 (c) 17:25
31. 31.Write 4:10 a.m. in 24-hour time. (a) 06:10 (b) 04:10 (c) 16:10
32. 32.What is 03:25 in 12-hour time? (a) 3:25 a.m. (b) 5:25 a.m. (c) 3:25 p.m.
33. 33.Write 4:25 a.m. in 24-hour time. (a) 06:25 (b) 04:25 (c) 16:25
34. 34.What is 23:10 in 12-hour time? (a) 11:10 p.m. (b) 11:10 a.m. (c) 1:10 p.m.
35. 35.A train leaves at 15:05 and reaches at 17:50. How long is the journey (in minutes)?
36. 36.What is 03:00 in 12-hour time? (a) 5:00 a.m. (b) 3:00 p.m. (c) 3:00 a.m.
37. 37.What is 17:05 in 12-hour time? (a) 5:05 p.m. (b) 5:05 a.m. (c) 7:05 p.m.
38. 38.Write 6:30 p.m. in 24-hour time. (a) 06:30 (b) 18:30 (c) 20:30
39. 39.Write 1:00 a.m. in 24-hour time. (a) 13:00 (b) 03:00 (c) 01:00
40. 40.Write 10:30 p.m. in 24-hour time. (a) 00:30 (b) 10:30 (c) 22:30

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