Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 972 · 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 18:55 in 12-hour time? (a) 6:55 a.m. (b) 8:55 p.m. (c) 6:55 p.m.
2. 2.A match starts at 10:45 and lasts 4 hours 25 minutes. At what time does it end? (a) 16:10 (b) 14:10 (c) 15:10
3. 3.A match starts at 16:25 and lasts 1 hour 55 minutes. At what time does it end? (a) 18:20 (b) 19:20 (c) 17:20
4. 4.Write 4:35 a.m. in 24-hour time. (a) 06:35 (b) 16:35 (c) 04:35
5. 5.A match starts at 10:15 and lasts 2 hours 10 minutes. At what time does it end? (a) 11:25 (b) 13:25 (c) 12:25
6. 6.Write 2:50 a.m. in 24-hour time. (a) 02:50 (b) 04:50 (c) 14:50
7. 7.How many hours are there from 10:00 to 16:00?
8. 8.What is 19:15 in 12-hour time? (a) 9:15 p.m. (b) 7:15 a.m. (c) 7:15 p.m.
9. 9.A film is 1 hour 25 minutes long. How many minutes is that?
10. 10.How many hours are there from 12:00 to 17:00?
11. 11.What is 04:50 in 12-hour time? (a) 4:50 p.m. (b) 4:50 a.m. (c) 6:50 a.m.
12. 12.Write 3:35 p.m. in 24-hour time. (a) 15:35 (b) 17:35 (c) 03:35
13. 13.What is 18:10 in 12-hour time? (a) 6:10 p.m. (b) 6:10 a.m. (c) 8:10 p.m.
14. 14.How many hours are there from 08:00 to 21:00?
15. 15.How many hours are there from 11:00 to 15:00?
16. 16.What is 01:10 in 12-hour time? (a) 1:10 p.m. (b) 3:10 a.m. (c) 1:10 a.m.
17. 17.A train leaves at 16:55 and reaches at 19:00. How long is the journey (in minutes)?
18. 18.What is 06:40 in 12-hour time? (a) 6:40 p.m. (b) 6:40 a.m. (c) 8:40 a.m.
19. 19.A film is 4 hours 10 minutes long. How many minutes is that?
20. 20.Write 2:05 a.m. in 24-hour time. (a) 04:05 (b) 14:05 (c) 02:05
21. 21.A film is 2 hours 20 minutes long. How many minutes is that?
22. 22.How many hours are there from 06:00 to 19:00?
23. 23.A match starts at 14:05 and lasts 4 hours 55 minutes. At what time does it end? (a) 20:00 (b) 18:00 (c) 19:00
24. 24.A film is 2 hours 40 minutes long. How many minutes is that?
25. 25.How many hours are there from 07:00 to 21:00?
26. 26.A film is 2 hours 30 minutes long. How many minutes is that?
27. 27.Write 1:45 a.m. in 24-hour time. (a) 03:45 (b) 01:45 (c) 13:45
28. 28.What is 17:30 in 12-hour time? (a) 5:30 a.m. (b) 7:30 p.m. (c) 5:30 p.m.
29. 29.Write 8:00 p.m. in 24-hour time. (a) 08:00 (b) 22:00 (c) 20:00
30. 30.How many hours are there from 11:00 to 19:00?
31. 31.Write 7:15 p.m. in 24-hour time. (a) 21:15 (b) 19:15 (c) 07:15
32. 32.What is 16:20 in 12-hour time? (a) 4:20 p.m. (b) 4:20 a.m. (c) 6:20 p.m.
33. 33.What is 19:25 in 12-hour time? (a) 9:25 p.m. (b) 7:25 a.m. (c) 7:25 p.m.
34. 34.A match starts at 12:20 and lasts 3 hours 50 minutes. At what time does it end? (a) 16:10 (b) 17:10 (c) 15:10
35. 35.A match starts at 08:00 and lasts 1 hour 35 minutes. At what time does it end? (a) 09:35 (b) 10:35 (c) 08:35
36. 36.A train leaves at 09:35 and reaches at 11:05. How long is the journey (in minutes)?
37. 37.A match starts at 11:20 and lasts 3 hours. At what time does it end? (a) 13:20 (b) 15:20 (c) 14:20
38. 38.A match starts at 14:25 and lasts 3 hours 35 minutes. At what time does it end? (a) 17:00 (b) 18:00 (c) 19:00
39. 39.Write 6:25 p.m. in 24-hour time. (a) 20:25 (b) 18:25 (c) 06:25
40. 40.A match starts at 10:10 and lasts 4 hours. At what time does it end? (a) 15:10 (b) 13:10 (c) 14:10

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