Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 586 · 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 02:55 in 12-hour time? (a) 2:55 p.m. (b) 4:55 a.m. (c) 2:55 a.m.
2. 2.What is 05:05 in 12-hour time? (a) 7:05 a.m. (b) 5:05 p.m. (c) 5:05 a.m.
3. 3.A film is 1 hour 15 minutes long. How many minutes is that?
4. 4.A film is 2 hours 55 minutes long. How many minutes is that?
5. 5.How many hours are there from 12:00 to 17:00?
6. 6.A match starts at 08:05 and lasts 1 hour 30 minutes. At what time does it end? (a) 09:35 (b) 10:35 (c) 08:35
7. 7.What is 15:05 in 12-hour time? (a) 5:05 p.m. (b) 3:05 p.m. (c) 3:05 a.m.
8. 8.A film is 1 hour 25 minutes long. How many minutes is that?
9. 9.Write 8:20 a.m. in 24-hour time. (a) 10:20 (b) 08:20 (c) 20:20
10. 10.What is 22:30 in 12-hour time? (a) 12:30 p.m. (b) 10:30 p.m. (c) 10:30 a.m.
11. 11.A film is 3 hours 10 minutes long. How many minutes is that?
12. 12.Write 10:45 a.m. in 24-hour time. (a) 12:45 (b) 22:45 (c) 10:45
13. 13.What is 05:40 in 12-hour time? (a) 5:40 p.m. (b) 7:40 a.m. (c) 5:40 a.m.
14. 14.What is 07:45 in 12-hour time? (a) 7:45 a.m. (b) 7:45 p.m. (c) 9:45 a.m.
15. 15.Write 5:00 a.m. in 24-hour time. (a) 07:00 (b) 17:00 (c) 05:00
16. 16.A match starts at 13:40 and lasts 3 hours 30 minutes. At what time does it end? (a) 16:10 (b) 18:10 (c) 17:10
17. 17.Write 3:10 p.m. in 24-hour time. (a) 15:10 (b) 17:10 (c) 03:10
18. 18.A match starts at 13:20 and lasts 1 hour 55 minutes. At what time does it end? (a) 15:15 (b) 16:15 (c) 14:15
19. 19.What is 20:25 in 12-hour time? (a) 8:25 p.m. (b) 10:25 p.m. (c) 8:25 a.m.
20. 20.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
21. 21.Write 4:05 p.m. in 24-hour time. (a) 18:05 (b) 16:05 (c) 04:05
22. 22.Write 1:30 a.m. in 24-hour time. (a) 03:30 (b) 01:30 (c) 13:30
23. 23.A film is 3 hours 50 minutes long. How many minutes is that?
24. 24.A film is 3 hours 35 minutes long. How many minutes is that?
25. 25.How many hours are there from 06:00 to 09:00?
26. 26.A match starts at 12:15 and lasts 1 hour 55 minutes. At what time does it end? (a) 13:10 (b) 14:10 (c) 15:10
27. 27.Write 5:15 a.m. in 24-hour time. (a) 05:15 (b) 07:15 (c) 17:15
28. 28.What is 02:05 in 12-hour time? (a) 2:05 a.m. (b) 2:05 p.m. (c) 4:05 a.m.
29. 29.A film is 4 hours 40 minutes long. How many minutes is that?
30. 30.What is 15:50 in 12-hour time? (a) 3:50 a.m. (b) 3:50 p.m. (c) 5:50 p.m.
31. 31.A match starts at 16:35 and lasts 1 hour 10 minutes. At what time does it end? (a) 17:45 (b) 18:45 (c) 16:45
32. 32.A train leaves at 14:50 and reaches at 17:10. How long is the journey (in minutes)?
33. 33.How many hours are there from 07:00 to 23:00?
34. 34.A train leaves at 10:30 and reaches at 12:00. How long is the journey (in minutes)?
35. 35.How many hours are there from 09:00 to 14:00?
36. 36.A film is 1 hour 10 minutes long. How many minutes is that?
37. 37.What is 02:10 in 12-hour time? (a) 2:10 p.m. (b) 4:10 a.m. (c) 2:10 a.m.
38. 38.Write 10:40 p.m. in 24-hour time. (a) 10:40 (b) 00:40 (c) 22:40
39. 39.A train leaves at 06:35 and reaches at 09:55. How long is the journey (in minutes)?
40. 40.Write 7:20 a.m. in 24-hour time. (a) 07:20 (b) 19:20 (c) 09:20

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