Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 490 · 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 01:45 in 12-hour time? (a) 3:45 a.m. (b) 1:45 p.m. (c) 1:45 a.m.
2. 2.How many hours are there from 09:00 to 17:00?
3. 3.How many hours are there from 08:00 to 23:00?
4. 4.A train leaves at 14:00 and reaches at 14:30. How long is the journey (in minutes)?
5. 5.A match starts at 12:10 and lasts 4 hours 50 minutes. At what time does it end? (a) 16:00 (b) 18:00 (c) 17:00
6. 6.A match starts at 13:05 and lasts 1 hour 25 minutes. At what time does it end? (a) 15:30 (b) 13:30 (c) 14:30
7. 7.A film is 2 hours 45 minutes long. How many minutes is that?
8. 8.What is 03:50 in 12-hour time? (a) 3:50 a.m. (b) 3:50 p.m. (c) 5:50 a.m.
9. 9.A film is 3 hours 45 minutes long. How many minutes is that?
10. 10.How many hours are there from 09:00 to 11:00?
11. 11.A match starts at 13:25 and lasts 3 hours. At what time does it end? (a) 15:25 (b) 16:25 (c) 17:25
12. 12.A train leaves at 09:45 and reaches at 10:55. How long is the journey (in minutes)?
13. 13.What is 10:55 in 12-hour time? (a) 10:55 a.m. (b) 10:55 p.m. (c) 12:55 a.m.
14. 14.A match starts at 07:15 and lasts 2 hours 40 minutes. At what time does it end? (a) 10:55 (b) 09:55 (c) 08:55
15. 15.A film is 3 hours 25 minutes long. How many minutes is that?
16. 16.How many hours are there from 06:00 to 08:00?
17. 17.A match starts at 15:45 and lasts 3 hours 35 minutes. At what time does it end? (a) 20:20 (b) 18:20 (c) 19:20
18. 18.A match starts at 16:50 and lasts 4 hours 45 minutes. At what time does it end? (a) 22:35 (b) 20:35 (c) 21:35
19. 19.A film is 1 hour 45 minutes long. How many minutes is that?
20. 20.A film is 3 hours 5 minutes long. How many minutes is that?
21. 21.A match starts at 15:35 and lasts 4 hours 45 minutes. At what time does it end? (a) 20:20 (b) 19:20 (c) 21:20
22. 22.A film is 4 hours 45 minutes long. How many minutes is that?
23. 23.A train leaves at 10:35 and reaches at 11:35. How long is the journey (in minutes)?
24. 24.How many hours are there from 10:00 to 13:00?
25. 25.A train leaves at 09:35 and reaches at 10:40. How long is the journey (in minutes)?
26. 26.Write 11:55 p.m. in 24-hour time. (a) 01:55 (b) 23:55 (c) 11:55
27. 27.A train leaves at 06:30 and reaches at 08:20. How long is the journey (in minutes)?
28. 28.A film is 1 hour 40 minutes long. How many minutes is that?
29. 29.A film is 3 hours 35 minutes long. How many minutes is that?
30. 30.A film is 3 hours 55 minutes long. How many minutes is that?
31. 31.A train leaves at 19:40 and reaches at 21:40. How long is the journey (in minutes)?
32. 32.What is 13:55 in 12-hour time? (a) 1:55 p.m. (b) 3:55 p.m. (c) 1:55 a.m.
33. 33.How many hours are there from 05:00 to 11:00?
34. 34.What is 23:35 in 12-hour time? (a) 11:35 p.m. (b) 1:35 p.m. (c) 11:35 a.m.
35. 35.Write 8:30 p.m. in 24-hour time. (a) 20:30 (b) 22:30 (c) 08:30
36. 36.What is 14:20 in 12-hour time? (a) 2:20 a.m. (b) 4:20 p.m. (c) 2:20 p.m.
37. 37.A film is 4 hours 50 minutes long. How many minutes is that?
38. 38.How many hours are there from 07:00 to 21:00?
39. 39.A film is 1 hour 15 minutes long. How many minutes is that?
40. 40.How many hours are there from 09:00 to 18:00?

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