Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 291 · 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 13:20 and lasts 3 hours 20 minutes. At what time does it end? (a) 17:40 (b) 15:40 (c) 16:40
2. 2.What is 22:40 in 12-hour time? (a) 10:40 p.m. (b) 10:40 a.m. (c) 12:40 p.m.
3. 3.How many hours are there from 08:00 to 19:00?
4. 4.Write 8:30 a.m. in 24-hour time. (a) 20:30 (b) 10:30 (c) 08:30
5. 5.A film is 2 hours 25 minutes long. How many minutes is that?
6. 6.Write 2:20 p.m. in 24-hour time. (a) 02:20 (b) 16:20 (c) 14:20
7. 7.A train leaves at 17:00 and reaches at 18:05. How long is the journey (in minutes)?
8. 8.A train leaves at 15:20 and reaches at 17:20. How long is the journey (in minutes)?
9. 9.A match starts at 07:00 and lasts 2 hours 30 minutes. At what time does it end? (a) 08:30 (b) 09:30 (c) 10:30
10. 10.What is 03:35 in 12-hour time? (a) 5:35 a.m. (b) 3:35 p.m. (c) 3:35 a.m.
11. 11.What is 07:30 in 12-hour time? (a) 7:30 p.m. (b) 9:30 a.m. (c) 7:30 a.m.
12. 12.A train leaves at 17:35 and reaches at 19:45. How long is the journey (in minutes)?
13. 13.How many hours are there from 11:00 to 15:00?
14. 14.How many hours are there from 11:00 to 16:00?
15. 15.What is 04:20 in 12-hour time? (a) 6:20 a.m. (b) 4:20 a.m. (c) 4:20 p.m.
16. 16.What is 17:00 in 12-hour time? (a) 7:00 p.m. (b) 5:00 p.m. (c) 5:00 a.m.
17. 17.What is 16:20 in 12-hour time? (a) 4:20 a.m. (b) 6:20 p.m. (c) 4:20 p.m.
18. 18.A match starts at 07:20 and lasts 1 hour 25 minutes. At what time does it end? (a) 09:45 (b) 07:45 (c) 08:45
19. 19.A film is 2 hours 20 minutes long. How many minutes is that?
20. 20.What is 11:00 in 12-hour time? (a) 1:00 a.m. (b) 11:00 a.m. (c) 11:00 p.m.
21. 21.What is 08:15 in 12-hour time? (a) 8:15 a.m. (b) 8:15 p.m. (c) 10:15 a.m.
22. 22.How many hours are there from 12:00 to 14:00?
23. 23.A film is 1 hour 30 minutes long. How many minutes is that?
24. 24.A film is 3 hours 40 minutes long. How many minutes is that?
25. 25.A match starts at 06:50 and lasts 4 hours 15 minutes. At what time does it end? (a) 12:05 (b) 11:05 (c) 10:05
26. 26.How many hours are there from 10:00 to 18:00?
27. 27.How many hours are there from 07:00 to 14:00?
28. 28.How many hours are there from 12:00 to 19:00?
29. 29.How many hours are there from 05:00 to 15:00?
30. 30.A train leaves at 18:20 and reaches at 20:10. How long is the journey (in minutes)?
31. 31.How many hours are there from 11:00 to 21:00?
32. 32.A match starts at 08:55 and lasts 3 hours 35 minutes. At what time does it end? (a) 13:30 (b) 12:30 (c) 11:30
33. 33.A match starts at 06:40 and lasts 4 hours 55 minutes. At what time does it end? (a) 10:35 (b) 11:35 (c) 12:35
34. 34.What is 14:35 in 12-hour time? (a) 2:35 p.m. (b) 4:35 p.m. (c) 2:35 a.m.
35. 35.A film is 4 hours 40 minutes long. How many minutes is that?
36. 36.How many hours are there from 12:00 to 15:00?
37. 37.Write 9:25 a.m. in 24-hour time. (a) 09:25 (b) 21:25 (c) 11:25
38. 38.Write 9:05 a.m. in 24-hour time. (a) 11:05 (b) 21:05 (c) 09:05
39. 39.A match starts at 14:25 and lasts 1 hour 25 minutes. At what time does it end? (a) 14:50 (b) 15:50 (c) 16:50
40. 40.How many hours are there from 11:00 to 19:00?

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