Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 808 · 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 13:00 in 12-hour time? (a) 3:00 p.m. (b) 1:00 a.m. (c) 1:00 p.m.
2. 2.A match starts at 07:10 and lasts 1 hour 45 minutes. At what time does it end? (a) 08:55 (b) 07:55 (c) 09:55
3. 3.How many hours are there from 11:00 to 19:00?
4. 4.A film is 1 hour 20 minutes long. How many minutes is that?
5. 5.What is 03:40 in 12-hour time? (a) 3:40 a.m. (b) 3:40 p.m. (c) 5:40 a.m.
6. 6.A train leaves at 13:45 and reaches at 14:35. How long is the journey (in minutes)?
7. 7.What is 14:25 in 12-hour time? (a) 2:25 a.m. (b) 2:25 p.m. (c) 4:25 p.m.
8. 8.Write 2:20 p.m. in 24-hour time. (a) 16:20 (b) 02:20 (c) 14:20
9. 9.A train leaves at 15:40 and reaches at 18:00. How long is the journey (in minutes)?
10. 10.A film is 1 hour 45 minutes long. How many minutes is that?
11. 11.How many hours are there from 07:00 to 11:00?
12. 12.How many hours are there from 07:00 to 13:00?
13. 13.A film is 3 hours 55 minutes long. How many minutes is that?
14. 14.How many hours are there from 11:00 to 23:00?
15. 15.A match starts at 10:50 and lasts 1 hour 30 minutes. At what time does it end? (a) 12:20 (b) 13:20 (c) 11:20
16. 16.How many hours are there from 05:00 to 10:00?
17. 17.How many hours are there from 06:00 to 20:00?
18. 18.A film is 1 hour 50 minutes long. How many minutes is that?
19. 19.A match starts at 12:50 and lasts 4 hours 15 minutes. At what time does it end? (a) 17:05 (b) 18:05 (c) 16:05
20. 20.A match starts at 16:35 and lasts 1 hour 35 minutes. At what time does it end? (a) 18:10 (b) 19:10 (c) 17:10
21. 21.What is 21:05 in 12-hour time? (a) 11:05 p.m. (b) 9:05 a.m. (c) 9:05 p.m.
22. 22.Write 2:25 a.m. in 24-hour time. (a) 14:25 (b) 04:25 (c) 02:25
23. 23.What is 03:20 in 12-hour time? (a) 3:20 a.m. (b) 3:20 p.m. (c) 5:20 a.m.
24. 24.Write 7:25 p.m. in 24-hour time. (a) 07:25 (b) 19:25 (c) 21:25
25. 25.Write 8:15 p.m. in 24-hour time. (a) 08:15 (b) 20:15 (c) 22:15
26. 26.A film is 2 hours 15 minutes long. How many minutes is that?
27. 27.What is 01:20 in 12-hour time? (a) 3:20 a.m. (b) 1:20 a.m. (c) 1:20 p.m.
28. 28.Write 4:20 p.m. in 24-hour time. (a) 18:20 (b) 04:20 (c) 16:20
29. 29.A film is 4 hours 10 minutes long. How many minutes is that?
30. 30.A train leaves at 11:55 and reaches at 12:30. How long is the journey (in minutes)?
31. 31.How many hours are there from 10:00 to 17:00?
32. 32.What is 06:50 in 12-hour time? (a) 6:50 p.m. (b) 6:50 a.m. (c) 8:50 a.m.
33. 33.A match starts at 12:30 and lasts 2 hours 25 minutes. At what time does it end? (a) 15:55 (b) 14:55 (c) 13:55
34. 34.How many hours are there from 07:00 to 09:00?
35. 35.How many hours are there from 09:00 to 17:00?
36. 36.A film is 3 hours 30 minutes long. How many minutes is that?
37. 37.What is 02:25 in 12-hour time? (a) 2:25 a.m. (b) 2:25 p.m. (c) 4:25 a.m.
38. 38.A match starts at 08:30 and lasts 4 hours 55 minutes. At what time does it end? (a) 14:25 (b) 12:25 (c) 13:25
39. 39.How many hours are there from 10:00 to 22:00?
40. 40.A film is 1 hour 5 minutes long. How many minutes is that?

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