Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 44 · 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 2:20 a.m. in 24-hour time. (a) 04:20 (b) 14:20 (c) 02:20
2. 2.How many hours are there from 07:00 to 17:00?
3. 3.A train leaves at 09:25 and reaches at 12:15. How long is the journey (in minutes)?
4. 4.A film is 3 hours 5 minutes long. How many minutes is that?
5. 5.How many hours are there from 09:00 to 16:00?
6. 6.A match starts at 06:00 and lasts 1 hour 30 minutes. At what time does it end? (a) 08:30 (b) 06:30 (c) 07:30
7. 7.A train leaves at 07:35 and reaches at 10:10. How long is the journey (in minutes)?
8. 8.A match starts at 15:15 and lasts 2 hours 15 minutes. At what time does it end? (a) 18:30 (b) 17:30 (c) 16:30
9. 9.How many hours are there from 07:00 to 23:00?
10. 10.How many hours are there from 07:00 to 12:00?
11. 11.What is 17:05 in 12-hour time? (a) 5:05 p.m. (b) 5:05 a.m. (c) 7:05 p.m.
12. 12.A film is 2 hours 25 minutes long. How many minutes is that?
13. 13.How many hours are there from 07:00 to 15:00?
14. 14.Write 6:50 p.m. in 24-hour time. (a) 20:50 (b) 06:50 (c) 18:50
15. 15.How many hours are there from 06:00 to 18:00?
16. 16.What is 15:10 in 12-hour time? (a) 3:10 a.m. (b) 5:10 p.m. (c) 3:10 p.m.
17. 17.What is 06:05 in 12-hour time? (a) 8:05 a.m. (b) 6:05 a.m. (c) 6:05 p.m.
18. 18.Write 3:30 a.m. in 24-hour time. (a) 03:30 (b) 05:30 (c) 15:30
19. 19.A match starts at 18:50 and lasts 3 hours 40 minutes. At what time does it end? (a) 21:30 (b) 23:30 (c) 22:30
20. 20.What is 04:00 in 12-hour time? (a) 4:00 a.m. (b) 4:00 p.m. (c) 6:00 a.m.
21. 21.Write 8:35 a.m. in 24-hour time. (a) 10:35 (b) 20:35 (c) 08:35
22. 22.What is 18:50 in 12-hour time? (a) 6:50 a.m. (b) 8:50 p.m. (c) 6:50 p.m.
23. 23.A train leaves at 14:10 and reaches at 16:50. How long is the journey (in minutes)?
24. 24.A match starts at 11:15 and lasts 2 hours 40 minutes. At what time does it end? (a) 12:55 (b) 13:55 (c) 14:55
25. 25.A train leaves at 10:30 and reaches at 12:30. How long is the journey (in minutes)?
26. 26.What is 11:00 in 12-hour time? (a) 11:00 p.m. (b) 1:00 a.m. (c) 11:00 a.m.
27. 27.A film is 1 hour 40 minutes long. How many minutes is that?
28. 28.What is 18:10 in 12-hour time? (a) 8:10 p.m. (b) 6:10 p.m. (c) 6:10 a.m.
29. 29.A train leaves at 15:30 and reaches at 15:55. How long is the journey (in minutes)?
30. 30.Write 3:10 p.m. in 24-hour time. (a) 03:10 (b) 15:10 (c) 17:10
31. 31.A match starts at 06:20 and lasts 1 hour 45 minutes. At what time does it end? (a) 07:05 (b) 09:05 (c) 08:05
32. 32.A match starts at 10:35 and lasts 2 hours 5 minutes. At what time does it end? (a) 11:40 (b) 13:40 (c) 12:40
33. 33.What is 17:00 in 12-hour time? (a) 7:00 p.m. (b) 5:00 a.m. (c) 5:00 p.m.
34. 34.How many hours are there from 07:00 to 13:00?
35. 35.How many hours are there from 10:00 to 23:00?
36. 36.What is 15:00 in 12-hour time? (a) 3:00 p.m. (b) 5:00 p.m. (c) 3:00 a.m.
37. 37.How many hours are there from 06:00 to 15:00?
38. 38.A film is 4 hours 15 minutes long. How many minutes is that?
39. 39.A film is 1 hour 10 minutes long. How many minutes is that?
40. 40.What is 08:50 in 12-hour time? (a) 10:50 a.m. (b) 8:50 a.m. (c) 8:50 p.m.

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