Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 969 · 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 film is 4 hours 50 minutes long. How many minutes is that?
2. 2.Write 6:45 a.m. in 24-hour time. (a) 08:45 (b) 06:45 (c) 18:45
3. 3.A film is 2 hours 40 minutes long. How many minutes is that?
4. 4.What is 17:05 in 12-hour time? (a) 5:05 p.m. (b) 5:05 a.m. (c) 7:05 p.m.
5. 5.What is 02:05 in 12-hour time? (a) 2:05 p.m. (b) 2:05 a.m. (c) 4:05 a.m.
6. 6.A match starts at 11:00 and lasts 3 hours 5 minutes. At what time does it end? (a) 15:05 (b) 14:05 (c) 13:05
7. 7.A film is 2 hours 55 minutes long. How many minutes is that?
8. 8.Write 11:00 a.m. in 24-hour time. (a) 11:00 (b) 23:00 (c) 13:00
9. 9.What is 09:25 in 12-hour time? (a) 11:25 a.m. (b) 9:25 p.m. (c) 9:25 a.m.
10. 10.Write 4:10 a.m. in 24-hour time. (a) 04:10 (b) 16:10 (c) 06:10
11. 11.A match starts at 11:35 and lasts 1 hour 35 minutes. At what time does it end? (a) 14:10 (b) 12:10 (c) 13:10
12. 12.How many hours are there from 05:00 to 09:00?
13. 13.A film is 2 hours 25 minutes long. How many minutes is that?
14. 14.A train leaves at 12:35 and reaches at 15:55. How long is the journey (in minutes)?
15. 15.Write 7:15 a.m. in 24-hour time. (a) 09:15 (b) 07:15 (c) 19:15
16. 16.How many hours are there from 10:00 to 15:00?
17. 17.A match starts at 07:05 and lasts 2 hours 35 minutes. At what time does it end? (a) 10:40 (b) 09:40 (c) 08:40
18. 18.How many hours are there from 06:00 to 08:00?
19. 19.What is 04:30 in 12-hour time? (a) 4:30 p.m. (b) 4:30 a.m. (c) 6:30 a.m.
20. 20.Write 3:55 a.m. in 24-hour time. (a) 05:55 (b) 03:55 (c) 15:55
21. 21.Write 5:10 a.m. in 24-hour time. (a) 17:10 (b) 07:10 (c) 05:10
22. 22.What is 10:55 in 12-hour time? (a) 10:55 a.m. (b) 12:55 a.m. (c) 10:55 p.m.
23. 23.How many hours are there from 05:00 to 16:00?
24. 24.Write 8:40 a.m. in 24-hour time. (a) 10:40 (b) 20:40 (c) 08:40
25. 25.A film is 3 hours 10 minutes long. How many minutes is that?
26. 26.How many hours are there from 06:00 to 15:00?
27. 27.How many hours are there from 08:00 to 20:00?
28. 28.What is 14:05 in 12-hour time? (a) 2:05 a.m. (b) 4:05 p.m. (c) 2:05 p.m.
29. 29.A match starts at 10:30 and lasts 2 hours 40 minutes. At what time does it end? (a) 14:10 (b) 12:10 (c) 13:10
30. 30.How many hours are there from 10:00 to 13:00?
31. 31.Write 4:25 a.m. in 24-hour time. (a) 06:25 (b) 04:25 (c) 16:25
32. 32.How many hours are there from 12:00 to 20:00?
33. 33.What is 11:15 in 12-hour time? (a) 11:15 p.m. (b) 11:15 a.m. (c) 1:15 a.m.
34. 34.A train leaves at 14:10 and reaches at 14:50. How long is the journey (in minutes)?
35. 35.A film is 1 hour 15 minutes long. How many minutes is that?
36. 36.How many hours are there from 05:00 to 12:00?
37. 37.A match starts at 09:20 and lasts 4 hours 45 minutes. At what time does it end? (a) 14:05 (b) 15:05 (c) 13:05
38. 38.What is 06:45 in 12-hour time? (a) 8:45 a.m. (b) 6:45 p.m. (c) 6:45 a.m.
39. 39.How many hours are there from 11:00 to 14:00?
40. 40.A match starts at 10:30 and lasts 4 hours 55 minutes. At what time does it end? (a) 15:25 (b) 16:25 (c) 14:25

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