Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 695 · 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.Write 9:05 p.m. in 24-hour time. (a) 09:05 (b) 21:05 (c) 23:05
2. 2.A match starts at 10:50 and lasts 4 hours 35 minutes. At what time does it end? (a) 16:25 (b) 15:25 (c) 14:25
3. 3.How many hours are there from 08:00 to 10:00?
4. 4.A match starts at 12:30 and lasts 2 hours 40 minutes. At what time does it end? (a) 14:10 (b) 16:10 (c) 15:10
5. 5.A match starts at 12:30 and lasts 3 hours 50 minutes. At what time does it end? (a) 16:20 (b) 15:20 (c) 17:20
6. 6.A train leaves at 17:00 and reaches at 19:15. How long is the journey (in minutes)?
7. 7.A match starts at 10:55 and lasts 3 hours 5 minutes. At what time does it end? (a) 13:00 (b) 14:00 (c) 15:00
8. 8.Write 10:25 a.m. in 24-hour time. (a) 10:25 (b) 12:25 (c) 22:25
9. 9.How many hours are there from 11:00 to 14:00?
10. 10.How many hours are there from 07:00 to 16:00?
11. 11.A train leaves at 09:20 and reaches at 10:45. How long is the journey (in minutes)?
12. 12.A film is 3 hours 55 minutes long. How many minutes is that?
13. 13.What is 21:35 in 12-hour time? (a) 9:35 p.m. (b) 9:35 a.m. (c) 11:35 p.m.
14. 14.A train leaves at 14:15 and reaches at 15:50. How long is the journey (in minutes)?
15. 15.Write 4:00 a.m. in 24-hour time. (a) 06:00 (b) 04:00 (c) 16:00
16. 16.A film is 1 hour 15 minutes long. How many minutes is that?
17. 17.Write 2:40 p.m. in 24-hour time. (a) 02:40 (b) 16:40 (c) 14:40
18. 18.A film is 2 hours 35 minutes long. How many minutes is that?
19. 19.A train leaves at 10:00 and reaches at 13:15. How long is the journey (in minutes)?
20. 20.How many hours are there from 12:00 to 19:00?
21. 21.What is 20:40 in 12-hour time? (a) 10:40 p.m. (b) 8:40 a.m. (c) 8:40 p.m.
22. 22.A train leaves at 13:05 and reaches at 13:40. How long is the journey (in minutes)?
23. 23.What is 16:05 in 12-hour time? (a) 4:05 a.m. (b) 6:05 p.m. (c) 4:05 p.m.
24. 24.How many hours are there from 09:00 to 12:00?
25. 25.A match starts at 16:05 and lasts 3 hours 5 minutes. At what time does it end? (a) 20:10 (b) 18:10 (c) 19:10
26. 26.Write 7:40 a.m. in 24-hour time. (a) 19:40 (b) 07:40 (c) 09:40
27. 27.A match starts at 17:25 and lasts 2 hours 10 minutes. At what time does it end? (a) 20:35 (b) 18:35 (c) 19:35
28. 28.How many hours are there from 07:00 to 21:00?
29. 29.Write 5:20 a.m. in 24-hour time. (a) 05:20 (b) 17:20 (c) 07:20
30. 30.How many hours are there from 05:00 to 23:00?
31. 31.Write 1:15 p.m. in 24-hour time. (a) 13:15 (b) 15:15 (c) 01:15
32. 32.A train leaves at 17:15 and reaches at 19:15. How long is the journey (in minutes)?
33. 33.How many hours are there from 05:00 to 09:00?
34. 34.How many hours are there from 11:00 to 16:00?
35. 35.How many hours are there from 06:00 to 15:00?
36. 36.A train leaves at 14:55 and reaches at 15:55. How long is the journey (in minutes)?
37. 37.Write 2:20 p.m. in 24-hour time. (a) 16:20 (b) 02:20 (c) 14:20
38. 38.A match starts at 07:25 and lasts 4 hours 20 minutes. At what time does it end? (a) 12:45 (b) 10:45 (c) 11:45
39. 39.A film is 3 hours 30 minutes long. How many minutes is that?
40. 40.A film is 1 hour 40 minutes long. How many minutes is that?

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