Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 905 · 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 07:15 and lasts 1 hour 5 minutes. At what time does it end? (a) 09:20 (b) 08:20 (c) 07:20
2. 2.What is 04:10 in 12-hour time? (a) 4:10 a.m. (b) 6:10 a.m. (c) 4:10 p.m.
3. 3.How many hours are there from 06:00 to 10:00?
4. 4.A match starts at 10:30 and lasts 1 hour 20 minutes. At what time does it end? (a) 10:50 (b) 12:50 (c) 11:50
5. 5.A match starts at 18:20 and lasts 3 hours 10 minutes. At what time does it end? (a) 20:30 (b) 21:30 (c) 22:30
6. 6.Write 2:30 p.m. in 24-hour time. (a) 16:30 (b) 02:30 (c) 14:30
7. 7.A match starts at 17:55 and lasts 4 hours 15 minutes. At what time does it end? (a) 22:10 (b) 21:10 (c) 23:10
8. 8.What is 10:00 in 12-hour time? (a) 12:00 a.m. (b) 10:00 p.m. (c) 10:00 a.m.
9. 9.Write 10:55 p.m. in 24-hour time. (a) 00:55 (b) 10:55 (c) 22:55
10. 10.How many hours are there from 10:00 to 12:00?
11. 11.A train leaves at 19:40 and reaches at 22:10. How long is the journey (in minutes)?
12. 12.Write 9:15 a.m. in 24-hour time. (a) 11:15 (b) 09:15 (c) 21:15
13. 13.Write 7:50 p.m. in 24-hour time. (a) 19:50 (b) 07:50 (c) 21:50
14. 14.Write 11:05 a.m. in 24-hour time. (a) 11:05 (b) 13:05 (c) 23:05
15. 15.What is 20:05 in 12-hour time? (a) 8:05 a.m. (b) 10:05 p.m. (c) 8:05 p.m.
16. 16.What is 23:50 in 12-hour time? (a) 11:50 a.m. (b) 11:50 p.m. (c) 1:50 p.m.
17. 17.A match starts at 07:45 and lasts 3 hours 20 minutes. At what time does it end? (a) 10:05 (b) 12:05 (c) 11:05
18. 18.What is 18:30 in 12-hour time? (a) 8:30 p.m. (b) 6:30 p.m. (c) 6:30 a.m.
19. 19.Write 9:10 a.m. in 24-hour time. (a) 21:10 (b) 11:10 (c) 09:10
20. 20.A train leaves at 11:45 and reaches at 13:30. How long is the journey (in minutes)?
21. 21.Write 3:50 a.m. in 24-hour time. (a) 15:50 (b) 03:50 (c) 05:50
22. 22.A train leaves at 18:00 and reaches at 19:10. How long is the journey (in minutes)?
23. 23.What is 18:40 in 12-hour time? (a) 6:40 p.m. (b) 8:40 p.m. (c) 6:40 a.m.
24. 24.What is 04:00 in 12-hour time? (a) 4:00 p.m. (b) 4:00 a.m. (c) 6:00 a.m.
25. 25.A film is 1 hour 10 minutes long. How many minutes is that?
26. 26.What is 15:25 in 12-hour time? (a) 3:25 a.m. (b) 3:25 p.m. (c) 5:25 p.m.
27. 27.Write 10:05 p.m. in 24-hour time. (a) 10:05 (b) 22:05 (c) 00:05
28. 28.What is 18:05 in 12-hour time? (a) 6:05 a.m. (b) 6:05 p.m. (c) 8:05 p.m.
29. 29.A film is 3 hours 55 minutes long. How many minutes is that?
30. 30.A match starts at 17:00 and lasts 3 hours 35 minutes. At what time does it end? (a) 20:35 (b) 21:35 (c) 19:35
31. 31.Write 11:25 a.m. in 24-hour time. (a) 11:25 (b) 13:25 (c) 23:25
32. 32.A train leaves at 07:25 and reaches at 08:25. How long is the journey (in minutes)?
33. 33.What is 07:25 in 12-hour time? (a) 7:25 a.m. (b) 7:25 p.m. (c) 9:25 a.m.
34. 34.What is 01:45 in 12-hour time? (a) 1:45 a.m. (b) 1:45 p.m. (c) 3:45 a.m.
35. 35.What is 19:35 in 12-hour time? (a) 9:35 p.m. (b) 7:35 p.m. (c) 7:35 a.m.
36. 36.A train leaves at 07:05 and reaches at 09:20. How long is the journey (in minutes)?
37. 37.Write 9:55 a.m. in 24-hour time. (a) 09:55 (b) 11:55 (c) 21:55
38. 38.Write 5:15 p.m. in 24-hour time. (a) 05:15 (b) 19:15 (c) 17:15
39. 39.A train leaves at 16:00 and reaches at 17:15. How long is the journey (in minutes)?
40. 40.A train leaves at 18:35 and reaches at 19:10. How long is the journey (in minutes)?

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