Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 155 · 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 2 hours 5 minutes long. How many minutes is that?
2. 2.A train leaves at 19:05 and reaches at 21:30. How long is the journey (in minutes)?
3. 3.How many hours are there from 11:00 to 18:00?
4. 4.A film is 3 hours 15 minutes long. How many minutes is that?
5. 5.A film is 1 hour 50 minutes long. How many minutes is that?
6. 6.Write 9:45 p.m. in 24-hour time. (a) 21:45 (b) 09:45 (c) 23:45
7. 7.How many hours are there from 06:00 to 19:00?
8. 8.Write 6:05 p.m. in 24-hour time. (a) 06:05 (b) 20:05 (c) 18:05
9. 9.A film is 1 hour 45 minutes long. How many minutes is that?
10. 10.A film is 3 hours 40 minutes long. How many minutes is that?
11. 11.How many hours are there from 08:00 to 20:00?
12. 12.How many hours are there from 08:00 to 17:00?
13. 13.A train leaves at 06:10 and reaches at 09:15. How long is the journey (in minutes)?
14. 14.A film is 4 hours 35 minutes long. How many minutes is that?
15. 15.What is 07:20 in 12-hour time? (a) 7:20 p.m. (b) 9:20 a.m. (c) 7:20 a.m.
16. 16.A film is 2 hours 15 minutes long. How many minutes is that?
17. 17.A film is 1 hour 35 minutes long. How many minutes is that?
18. 18.Write 7:25 p.m. in 24-hour time. (a) 07:25 (b) 19:25 (c) 21:25
19. 19.What is 17:55 in 12-hour time? (a) 7:55 p.m. (b) 5:55 p.m. (c) 5:55 a.m.
20. 20.What is 04:15 in 12-hour time? (a) 6:15 a.m. (b) 4:15 a.m. (c) 4:15 p.m.
21. 21.A train leaves at 09:45 and reaches at 12:45. How long is the journey (in minutes)?
22. 22.What is 10:50 in 12-hour time? (a) 10:50 p.m. (b) 10:50 a.m. (c) 12:50 a.m.
23. 23.A match starts at 08:35 and lasts 4 hours 35 minutes. At what time does it end? (a) 12:10 (b) 13:10 (c) 14:10
24. 24.A match starts at 07:15 and lasts 1 hour 5 minutes. At what time does it end? (a) 08:20 (b) 09:20 (c) 07:20
25. 25.Write 10:30 a.m. in 24-hour time. (a) 22:30 (b) 12:30 (c) 10:30
26. 26.How many hours are there from 07:00 to 14:00?
27. 27.How many hours are there from 12:00 to 16:00?
28. 28.A train leaves at 09:20 and reaches at 09:55. How long is the journey (in minutes)?
29. 29.A train leaves at 08:20 and reaches at 10:25. How long is the journey (in minutes)?
30. 30.A film is 3 hours 30 minutes long. How many minutes is that?
31. 31.How many hours are there from 12:00 to 15:00?
32. 32.A match starts at 11:05 and lasts 3 hours 30 minutes. At what time does it end? (a) 15:35 (b) 14:35 (c) 13:35
33. 33.Write 10:55 a.m. in 24-hour time. (a) 22:55 (b) 10:55 (c) 12:55
34. 34.A match starts at 09:25 and lasts 4 hours 40 minutes. At what time does it end? (a) 13:05 (b) 15:05 (c) 14:05
35. 35.How many hours are there from 09:00 to 13:00?
36. 36.A match starts at 08:50 and lasts 2 hours 15 minutes. At what time does it end? (a) 12:05 (b) 11:05 (c) 10:05
37. 37.What is 19:15 in 12-hour time? (a) 7:15 a.m. (b) 9:15 p.m. (c) 7:15 p.m.
38. 38.How many hours are there from 07:00 to 19:00?
39. 39.What is 06:50 in 12-hour time? (a) 6:50 p.m. (b) 6:50 a.m. (c) 8:50 a.m.
40. 40.Write 4:35 p.m. in 24-hour time. (a) 16:35 (b) 04:35 (c) 18:35

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