Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 59 · 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 03:35 in 12-hour time? (a) 3:35 a.m. (b) 3:35 p.m. (c) 5:35 a.m.
2. 2.How many hours are there from 11:00 to 15:00?
3. 3.A film is 1 hour 45 minutes long. How many minutes is that?
4. 4.A film is 1 hour 10 minutes long. How many minutes is that?
5. 5.A match starts at 11:50 and lasts 1 hour 35 minutes. At what time does it end? (a) 14:25 (b) 13:25 (c) 12:25
6. 6.A film is 1 hour 55 minutes long. How many minutes is that?
7. 7.Write 5:25 a.m. in 24-hour time. (a) 05:25 (b) 07:25 (c) 17:25
8. 8.What is 06:00 in 12-hour time? (a) 6:00 a.m. (b) 8:00 a.m. (c) 6:00 p.m.
9. 9.A match starts at 17:10 and lasts 2 hours 45 minutes. At what time does it end? (a) 20:55 (b) 18:55 (c) 19:55
10. 10.A match starts at 15:25 and lasts 4 hours 10 minutes. At what time does it end? (a) 18:35 (b) 19:35 (c) 20:35
11. 11.Write 6:00 p.m. in 24-hour time. (a) 18:00 (b) 06:00 (c) 20:00
12. 12.What is 22:45 in 12-hour time? (a) 12:45 p.m. (b) 10:45 p.m. (c) 10:45 a.m.
13. 13.A match starts at 17:20 and lasts 3 hours 25 minutes. At what time does it end? (a) 20:45 (b) 19:45 (c) 21:45
14. 14.A film is 4 hours 55 minutes long. How many minutes is that?
15. 15.A match starts at 14:40 and lasts 1 hour 35 minutes. At what time does it end? (a) 17:15 (b) 16:15 (c) 15:15
16. 16.A match starts at 15:20 and lasts 3 hours 5 minutes. At what time does it end? (a) 18:25 (b) 19:25 (c) 17:25
17. 17.How many hours are there from 07:00 to 20:00?
18. 18.A film is 2 hours 40 minutes long. How many minutes is that?
19. 19.Write 8:45 p.m. in 24-hour time. (a) 08:45 (b) 22:45 (c) 20:45
20. 20.A match starts at 18:05 and lasts 1 hour. At what time does it end? (a) 20:05 (b) 19:05 (c) 18:05
21. 21.Write 2:10 a.m. in 24-hour time. (a) 14:10 (b) 04:10 (c) 02:10
22. 22.What is 14:25 in 12-hour time? (a) 2:25 p.m. (b) 4:25 p.m. (c) 2:25 a.m.
23. 23.Write 11:25 a.m. in 24-hour time. (a) 23:25 (b) 11:25 (c) 13:25
24. 24.A train leaves at 14:10 and reaches at 16:55. How long is the journey (in minutes)?
25. 25.A match starts at 13:10 and lasts 2 hours 55 minutes. At what time does it end? (a) 16:05 (b) 17:05 (c) 15:05
26. 26.A match starts at 17:30 and lasts 3 hours 40 minutes. At what time does it end? (a) 21:10 (b) 20:10 (c) 22:10
27. 27.What is 17:50 in 12-hour time? (a) 7:50 p.m. (b) 5:50 a.m. (c) 5:50 p.m.
28. 28.How many hours are there from 12:00 to 23:00?
29. 29.A match starts at 10:45 and lasts 4 hours 35 minutes. At what time does it end? (a) 15:20 (b) 14:20 (c) 16:20
30. 30.What is 08:50 in 12-hour time? (a) 10:50 a.m. (b) 8:50 a.m. (c) 8:50 p.m.
31. 31.Write 7:25 a.m. in 24-hour time. (a) 07:25 (b) 09:25 (c) 19:25
32. 32.How many hours are there from 10:00 to 15:00?
33. 33.Write 3:50 a.m. in 24-hour time. (a) 05:50 (b) 15:50 (c) 03:50
34. 34.How many hours are there from 08:00 to 15:00?
35. 35.A film is 2 hours 5 minutes long. How many minutes is that?
36. 36.What is 01:05 in 12-hour time? (a) 3:05 a.m. (b) 1:05 p.m. (c) 1:05 a.m.
37. 37.A train leaves at 06:10 and reaches at 09:30. How long is the journey (in minutes)?
38. 38.A film is 3 hours 50 minutes long. How many minutes is that?
39. 39.What is 17:40 in 12-hour time? (a) 7:40 p.m. (b) 5:40 p.m. (c) 5:40 a.m.
40. 40.What is 16:45 in 12-hour time? (a) 4:45 a.m. (b) 4:45 p.m. (c) 6:45 p.m.

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