Class 4 Maths Worksheet: 24-Hour Clock

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

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