Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 689 · 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 5:05 a.m. in 24-hour time. (a) 17:05 (b) 07:05 (c) 05:05
2. 2.A match starts at 16:10 and lasts 2 hours. At what time does it end? (a) 19:10 (b) 17:10 (c) 18:10
3. 3.How many hours are there from 05:00 to 16:00?
4. 4.A train leaves at 19:20 and reaches at 22:20. How long is the journey (in minutes)?
5. 5.How many hours are there from 10:00 to 15:00?
6. 6.What is 04:00 in 12-hour time? (a) 4:00 p.m. (b) 6:00 a.m. (c) 4:00 a.m.
7. 7.A train leaves at 10:30 and reaches at 13:05. How long is the journey (in minutes)?
8. 8.How many hours are there from 12:00 to 21:00?
9. 9.What is 13:50 in 12-hour time? (a) 1:50 a.m. (b) 3:50 p.m. (c) 1:50 p.m.
10. 10.What is 10:35 in 12-hour time? (a) 10:35 p.m. (b) 12:35 a.m. (c) 10:35 a.m.
11. 11.What is 13:55 in 12-hour time? (a) 3:55 p.m. (b) 1:55 a.m. (c) 1:55 p.m.
12. 12.What is 02:30 in 12-hour time? (a) 2:30 p.m. (b) 2:30 a.m. (c) 4:30 a.m.
13. 13.A match starts at 17:05 and lasts 1 hour 45 minutes. At what time does it end? (a) 18:50 (b) 17:50 (c) 19:50
14. 14.What is 22:20 in 12-hour time? (a) 10:20 a.m. (b) 12:20 p.m. (c) 10:20 p.m.
15. 15.Write 5:30 p.m. in 24-hour time. (a) 05:30 (b) 19:30 (c) 17:30
16. 16.Write 1:05 a.m. in 24-hour time. (a) 13:05 (b) 03:05 (c) 01:05
17. 17.How many hours are there from 05:00 to 21:00?
18. 18.How many hours are there from 09:00 to 19:00?
19. 19.What is 13:35 in 12-hour time? (a) 3:35 p.m. (b) 1:35 p.m. (c) 1:35 a.m.
20. 20.What is 01:35 in 12-hour time? (a) 1:35 a.m. (b) 3:35 a.m. (c) 1:35 p.m.
21. 21.What is 17:35 in 12-hour time? (a) 5:35 p.m. (b) 7:35 p.m. (c) 5:35 a.m.
22. 22.A match starts at 17:30 and lasts 4 hours 35 minutes. At what time does it end? (a) 23:05 (b) 21:05 (c) 22:05
23. 23.A train leaves at 08:15 and reaches at 10:30. How long is the journey (in minutes)?
24. 24.A train leaves at 15:20 and reaches at 18:30. How long is the journey (in minutes)?
25. 25.A film is 4 hours 45 minutes long. How many minutes is that?
26. 26.A match starts at 10:45 and lasts 2 hours 25 minutes. At what time does it end? (a) 14:10 (b) 13:10 (c) 12:10
27. 27.How many hours are there from 05:00 to 09:00?
28. 28.A match starts at 13:05 and lasts 1 hour 35 minutes. At what time does it end? (a) 13:40 (b) 14:40 (c) 15:40
29. 29.A match starts at 11:35 and lasts 2 hours 55 minutes. At what time does it end? (a) 13:30 (b) 15:30 (c) 14:30
30. 30.A match starts at 17:30 and lasts 4 hours 40 minutes. At what time does it end? (a) 22:10 (b) 21:10 (c) 23:10
31. 31.A film is 4 hours 15 minutes long. How many minutes is that?
32. 32.What is 14:00 in 12-hour time? (a) 2:00 p.m. (b) 2:00 a.m. (c) 4:00 p.m.
33. 33.A match starts at 10:25 and lasts 2 hours 35 minutes. At what time does it end? (a) 14:00 (b) 13:00 (c) 12:00
34. 34.Write 9:50 p.m. in 24-hour time. (a) 23:50 (b) 09:50 (c) 21:50
35. 35.A film is 4 hours 10 minutes long. How many minutes is that?
36. 36.A match starts at 07:30 and lasts 3 hours 30 minutes. At what time does it end? (a) 12:00 (b) 10:00 (c) 11:00
37. 37.Write 10:00 p.m. in 24-hour time. (a) 22:00 (b) 00:00 (c) 10:00
38. 38.Write 2:00 a.m. in 24-hour time. (a) 14:00 (b) 04:00 (c) 02:00
39. 39.Write 1:30 a.m. in 24-hour time. (a) 03:30 (b) 01:30 (c) 13:30
40. 40.Write 11:00 a.m. in 24-hour time. (a) 11:00 (b) 13:00 (c) 23:00

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