Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 323 · 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 match starts at 16:30 and lasts 3 hours 10 minutes. At what time does it end? (a) 19:40 (b) 20:40 (c) 18:40
2. 2.How many hours are there from 05:00 to 07:00?
3. 3.A train leaves at 15:35 and reaches at 18:10. How long is the journey (in minutes)?
4. 4.A film is 3 hours 50 minutes long. How many minutes is that?
5. 5.A match starts at 16:25 and lasts 1 hour 10 minutes. At what time does it end? (a) 17:35 (b) 18:35 (c) 16:35
6. 6.How many hours are there from 08:00 to 20:00?
7. 7.A train leaves at 15:15 and reaches at 16:35. How long is the journey (in minutes)?
8. 8.What is 15:30 in 12-hour time? (a) 3:30 p.m. (b) 5:30 p.m. (c) 3:30 a.m.
9. 9.Write 2:15 a.m. in 24-hour time. (a) 14:15 (b) 04:15 (c) 02:15
10. 10.What is 03:00 in 12-hour time? (a) 5:00 a.m. (b) 3:00 a.m. (c) 3:00 p.m.
11. 11.A match starts at 08:15 and lasts 3 hours 5 minutes. At what time does it end? (a) 10:20 (b) 12:20 (c) 11:20
12. 12.Write 1:20 p.m. in 24-hour time. (a) 01:20 (b) 15:20 (c) 13:20
13. 13.How many hours are there from 11:00 to 19:00?
14. 14.Write 10:35 p.m. in 24-hour time. (a) 10:35 (b) 00:35 (c) 22:35
15. 15.What is 17:15 in 12-hour time? (a) 5:15 a.m. (b) 5:15 p.m. (c) 7:15 p.m.
16. 16.A train leaves at 12:25 and reaches at 13:25. How long is the journey (in minutes)?
17. 17.What is 13:20 in 12-hour time? (a) 3:20 p.m. (b) 1:20 a.m. (c) 1:20 p.m.
18. 18.A film is 2 hours 50 minutes long. How many minutes is that?
19. 19.Write 9:00 a.m. in 24-hour time. (a) 11:00 (b) 09:00 (c) 21:00
20. 20.What is 15:20 in 12-hour time? (a) 3:20 p.m. (b) 5:20 p.m. (c) 3:20 a.m.
21. 21.Write 9:25 a.m. in 24-hour time. (a) 21:25 (b) 11:25 (c) 09:25
22. 22.How many hours are there from 11:00 to 20:00?
23. 23.A train leaves at 17:55 and reaches at 19:00. How long is the journey (in minutes)?
24. 24.A train leaves at 08:50 and reaches at 12:00. How long is the journey (in minutes)?
25. 25.A film is 3 hours 15 minutes long. How many minutes is that?
26. 26.What is 09:00 in 12-hour time? (a) 11:00 a.m. (b) 9:00 a.m. (c) 9:00 p.m.
27. 27.Write 6:20 p.m. in 24-hour time. (a) 06:20 (b) 20:20 (c) 18:20
28. 28.How many hours are there from 07:00 to 17:00?
29. 29.Write 9:30 a.m. in 24-hour time. (a) 09:30 (b) 11:30 (c) 21:30
30. 30.A match starts at 15:50 and lasts 3 hours 10 minutes. At what time does it end? (a) 19:00 (b) 18:00 (c) 20:00
31. 31.A train leaves at 13:05 and reaches at 16:20. How long is the journey (in minutes)?
32. 32.How many hours are there from 10:00 to 15:00?
33. 33.How many hours are there from 08:00 to 12:00?
34. 34.Write 10:40 p.m. in 24-hour time. (a) 10:40 (b) 22:40 (c) 00:40
35. 35.How many hours are there from 11:00 to 17:00?
36. 36.A film is 3 hours 20 minutes long. How many minutes is that?
37. 37.How many hours are there from 10:00 to 14:00?
38. 38.A match starts at 10:50 and lasts 1 hour 5 minutes. At what time does it end? (a) 11:55 (b) 10:55 (c) 12:55
39. 39.A train leaves at 18:15 and reaches at 21:10. How long is the journey (in minutes)?
40. 40.How many hours are there from 05:00 to 21:00?

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