Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 974 · 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 07:10 and lasts 3 hours 45 minutes. At what time does it end? (a) 09:55 (b) 11:55 (c) 10:55
2. 2.Write 8:10 p.m. in 24-hour time. (a) 08:10 (b) 20:10 (c) 22:10
3. 3.How many hours are there from 07:00 to 21:00?
4. 4.A match starts at 12:25 and lasts 4 hours 55 minutes. At what time does it end? (a) 16:20 (b) 17:20 (c) 18:20
5. 5.What is 08:50 in 12-hour time? (a) 8:50 p.m. (b) 10:50 a.m. (c) 8:50 a.m.
6. 6.A train leaves at 16:50 and reaches at 18:35. How long is the journey (in minutes)?
7. 7.A match starts at 17:05 and lasts 2 hours 45 minutes. At what time does it end? (a) 20:50 (b) 18:50 (c) 19:50
8. 8.How many hours are there from 08:00 to 17:00?
9. 9.A match starts at 08:40 and lasts 3 hours 30 minutes. At what time does it end? (a) 11:10 (b) 13:10 (c) 12:10
10. 10.Write 8:40 p.m. in 24-hour time. (a) 22:40 (b) 20:40 (c) 08:40
11. 11.A film is 1 hour 20 minutes long. How many minutes is that?
12. 12.A match starts at 18:40 and lasts 1 hour 10 minutes. At what time does it end? (a) 18:50 (b) 20:50 (c) 19:50
13. 13.A train leaves at 10:25 and reaches at 12:25. How long is the journey (in minutes)?
14. 14.How many hours are there from 11:00 to 21:00?
15. 15.A train leaves at 12:10 and reaches at 15:20. How long is the journey (in minutes)?
16. 16.Write 10:00 p.m. in 24-hour time. (a) 10:00 (b) 22:00 (c) 00:00
17. 17.Write 1:00 a.m. in 24-hour time. (a) 13:00 (b) 03:00 (c) 01:00
18. 18.A match starts at 07:00 and lasts 2 hours 25 minutes. At what time does it end? (a) 10:25 (b) 08:25 (c) 09:25
19. 19.What is 09:45 in 12-hour time? (a) 11:45 a.m. (b) 9:45 a.m. (c) 9:45 p.m.
20. 20.A film is 3 hours 50 minutes long. How many minutes is that?
21. 21.A film is 3 hours 20 minutes long. How many minutes is that?
22. 22.A train leaves at 08:30 and reaches at 10:40. How long is the journey (in minutes)?
23. 23.Write 1:40 a.m. in 24-hour time. (a) 13:40 (b) 01:40 (c) 03:40
24. 24.A match starts at 09:00 and lasts 3 hours 30 minutes. At what time does it end? (a) 11:30 (b) 12:30 (c) 13:30
25. 25.Write 10:55 p.m. in 24-hour time. (a) 10:55 (b) 00:55 (c) 22:55
26. 26.Write 7:20 p.m. in 24-hour time. (a) 21:20 (b) 07:20 (c) 19:20
27. 27.A film is 4 hours 5 minutes long. How many minutes is that?
28. 28.A train leaves at 16:45 and reaches at 19:40. How long is the journey (in minutes)?
29. 29.What is 18:10 in 12-hour time? (a) 6:10 p.m. (b) 8:10 p.m. (c) 6:10 a.m.
30. 30.How many hours are there from 07:00 to 14:00?
31. 31.A match starts at 09:20 and lasts 4 hours 10 minutes. At what time does it end? (a) 14:30 (b) 13:30 (c) 12:30
32. 32.A film is 3 hours 40 minutes long. How many minutes is that?
33. 33.Write 1:40 p.m. in 24-hour time. (a) 01:40 (b) 15:40 (c) 13:40
34. 34.Write 4:10 a.m. in 24-hour time. (a) 16:10 (b) 04:10 (c) 06:10
35. 35.A film is 2 hours 50 minutes long. How many minutes is that?
36. 36.What is 18:25 in 12-hour time? (a) 8:25 p.m. (b) 6:25 p.m. (c) 6:25 a.m.
37. 37.What is 01:15 in 12-hour time? (a) 1:15 p.m. (b) 3:15 a.m. (c) 1:15 a.m.
38. 38.A train leaves at 07:30 and reaches at 08:45. How long is the journey (in minutes)?
39. 39.A train leaves at 07:05 and reaches at 08:45. How long is the journey (in minutes)?
40. 40.What is 08:45 in 12-hour time? (a) 10:45 a.m. (b) 8:45 p.m. (c) 8:45 a.m.

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