Class 4 Maths Worksheet: 24-Hour Clock

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

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