Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 830 · 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 14:25 in 12-hour time? (a) 4:25 p.m. (b) 2:25 p.m. (c) 2:25 a.m.
2. 2.How many hours are there from 09:00 to 23:00?
3. 3.How many hours are there from 11:00 to 16:00?
4. 4.A film is 3 hours 30 minutes long. How many minutes is that?
5. 5.A film is 1 hour 55 minutes long. How many minutes is that?
6. 6.How many hours are there from 07:00 to 20:00?
7. 7.A match starts at 15:55 and lasts 1 hour 45 minutes. At what time does it end? (a) 18:40 (b) 17:40 (c) 16:40
8. 8.How many hours are there from 07:00 to 22:00?
9. 9.What is 17:25 in 12-hour time? (a) 5:25 p.m. (b) 5:25 a.m. (c) 7:25 p.m.
10. 10.Write 7:50 p.m. in 24-hour time. (a) 07:50 (b) 19:50 (c) 21:50
11. 11.A train leaves at 07:30 and reaches at 08:05. How long is the journey (in minutes)?
12. 12.Write 6:35 p.m. in 24-hour time. (a) 18:35 (b) 06:35 (c) 20:35
13. 13.A match starts at 18:30 and lasts 1 hour 5 minutes. At what time does it end? (a) 20:35 (b) 19:35 (c) 18:35
14. 14.A train leaves at 12:10 and reaches at 15:30. How long is the journey (in minutes)?
15. 15.How many hours are there from 10:00 to 21:00?
16. 16.A match starts at 14:40 and lasts 4 hours 5 minutes. At what time does it end? (a) 18:45 (b) 19:45 (c) 17:45
17. 17.What is 22:40 in 12-hour time? (a) 10:40 a.m. (b) 12:40 p.m. (c) 10:40 p.m.
18. 18.Write 2:10 p.m. in 24-hour time. (a) 16:10 (b) 14:10 (c) 02:10
19. 19.Write 5:35 a.m. in 24-hour time. (a) 07:35 (b) 17:35 (c) 05:35
20. 20.A train leaves at 17:15 and reaches at 18:05. How long is the journey (in minutes)?
21. 21.A train leaves at 06:50 and reaches at 08:35. How long is the journey (in minutes)?
22. 22.Write 11:40 a.m. in 24-hour time. (a) 13:40 (b) 23:40 (c) 11:40
23. 23.A match starts at 14:05 and lasts 1 hour 10 minutes. At what time does it end? (a) 14:15 (b) 15:15 (c) 16:15
24. 24.A film is 3 hours 20 minutes long. How many minutes is that?
25. 25.How many hours are there from 11:00 to 15:00?
26. 26.How many hours are there from 06:00 to 20:00?
27. 27.A match starts at 07:25 and lasts 1 hour 45 minutes. At what time does it end? (a) 08:10 (b) 10:10 (c) 09:10
28. 28.A match starts at 17:55 and lasts 1 hour 20 minutes. At what time does it end? (a) 18:15 (b) 19:15 (c) 20:15
29. 29.How many hours are there from 07:00 to 13:00?
30. 30.Write 7:15 p.m. in 24-hour time. (a) 21:15 (b) 07:15 (c) 19:15
31. 31.A film is 2 hours 15 minutes long. How many minutes is that?
32. 32.What is 06:50 in 12-hour time? (a) 6:50 p.m. (b) 6:50 a.m. (c) 8:50 a.m.
33. 33.A match starts at 10:35 and lasts 2 hours 10 minutes. At what time does it end? (a) 13:45 (b) 12:45 (c) 11:45
34. 34.Write 9:00 p.m. in 24-hour time. (a) 23:00 (b) 09:00 (c) 21:00
35. 35.How many hours are there from 05:00 to 22:00?
36. 36.A train leaves at 08:05 and reaches at 09:50. How long is the journey (in minutes)?
37. 37.Write 6:00 a.m. in 24-hour time. (a) 18:00 (b) 06:00 (c) 08:00
38. 38.Write 9:55 a.m. in 24-hour time. (a) 11:55 (b) 21:55 (c) 09:55
39. 39.What is 02:45 in 12-hour time? (a) 4:45 a.m. (b) 2:45 p.m. (c) 2:45 a.m.
40. 40.What is 13:05 in 12-hour time? (a) 1:05 a.m. (b) 1:05 p.m. (c) 3:05 p.m.

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