Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 545 · 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 09:30 in 12-hour time? (a) 9:30 a.m. (b) 11:30 a.m. (c) 9:30 p.m.
2. 2.Write 9:00 a.m. in 24-hour time. (a) 09:00 (b) 11:00 (c) 21:00
3. 3.A match starts at 15:25 and lasts 2 hours 15 minutes. At what time does it end? (a) 16:40 (b) 17:40 (c) 18:40
4. 4.What is 04:50 in 12-hour time? (a) 4:50 p.m. (b) 4:50 a.m. (c) 6:50 a.m.
5. 5.How many hours are there from 05:00 to 08:00?
6. 6.Write 5:25 p.m. in 24-hour time. (a) 05:25 (b) 19:25 (c) 17:25
7. 7.A train leaves at 17:35 and reaches at 18:50. How long is the journey (in minutes)?
8. 8.How many hours are there from 07:00 to 16:00?
9. 9.What is 14:45 in 12-hour time? (a) 2:45 a.m. (b) 2:45 p.m. (c) 4:45 p.m.
10. 10.A match starts at 11:20 and lasts 2 hours 45 minutes. At what time does it end? (a) 13:05 (b) 15:05 (c) 14:05
11. 11.A match starts at 08:45 and lasts 1 hour 50 minutes. At what time does it end? (a) 10:35 (b) 11:35 (c) 09:35
12. 12.A film is 3 hours 30 minutes long. How many minutes is that?
13. 13.Write 3:15 a.m. in 24-hour time. (a) 15:15 (b) 05:15 (c) 03:15
14. 14.Write 10:15 p.m. in 24-hour time. (a) 10:15 (b) 22:15 (c) 00:15
15. 15.Write 6:50 a.m. in 24-hour time. (a) 06:50 (b) 08:50 (c) 18:50
16. 16.A train leaves at 14:05 and reaches at 15:05. How long is the journey (in minutes)?
17. 17.Write 7:05 p.m. in 24-hour time. (a) 07:05 (b) 19:05 (c) 21:05
18. 18.What is 18:45 in 12-hour time? (a) 8:45 p.m. (b) 6:45 p.m. (c) 6:45 a.m.
19. 19.A match starts at 18:45 and lasts 1 hour 50 minutes. At what time does it end? (a) 21:35 (b) 20:35 (c) 19:35
20. 20.A match starts at 08:20 and lasts 1 hour 50 minutes. At what time does it end? (a) 10:10 (b) 11:10 (c) 09:10
21. 21.Write 8:50 a.m. in 24-hour time. (a) 08:50 (b) 10:50 (c) 20:50
22. 22.What is 19:40 in 12-hour time? (a) 7:40 p.m. (b) 9:40 p.m. (c) 7:40 a.m.
23. 23.A train leaves at 07:00 and reaches at 07:30. How long is the journey (in minutes)?
24. 24.How many hours are there from 10:00 to 19:00?
25. 25.How many hours are there from 06:00 to 17:00?
26. 26.A train leaves at 18:00 and reaches at 18:40. How long is the journey (in minutes)?
27. 27.What is 14:00 in 12-hour time? (a) 2:00 p.m. (b) 4:00 p.m. (c) 2:00 a.m.
28. 28.Write 4:20 a.m. in 24-hour time. (a) 04:20 (b) 16:20 (c) 06:20
29. 29.What is 05:15 in 12-hour time? (a) 5:15 p.m. (b) 7:15 a.m. (c) 5:15 a.m.
30. 30.What is 23:55 in 12-hour time? (a) 11:55 p.m. (b) 11:55 a.m. (c) 1:55 p.m.
31. 31.What is 08:15 in 12-hour time? (a) 8:15 p.m. (b) 8:15 a.m. (c) 10:15 a.m.
32. 32.What is 19:10 in 12-hour time? (a) 7:10 p.m. (b) 7:10 a.m. (c) 9:10 p.m.
33. 33.Write 8:20 a.m. in 24-hour time. (a) 20:20 (b) 10:20 (c) 08:20
34. 34.How many hours are there from 09:00 to 23:00?
35. 35.What is 04:05 in 12-hour time? (a) 4:05 a.m. (b) 6:05 a.m. (c) 4:05 p.m.
36. 36.A film is 4 hours 5 minutes long. How many minutes is that?
37. 37.A match starts at 07:00 and lasts 3 hours 20 minutes. At what time does it end? (a) 09:20 (b) 11:20 (c) 10:20
38. 38.A match starts at 07:25 and lasts 2 hours 15 minutes. At what time does it end? (a) 09:40 (b) 08:40 (c) 10:40
39. 39.A film is 4 hours 50 minutes long. How many minutes is that?
40. 40.A match starts at 08:30 and lasts 3 hours 40 minutes. At what time does it end? (a) 12:10 (b) 11:10 (c) 13:10

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