Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 861 · 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 17:35 in 12-hour time? (a) 5:35 a.m. (b) 5:35 p.m. (c) 7:35 p.m.
2. 2.A match starts at 06:50 and lasts 4 hours. At what time does it end? (a) 09:50 (b) 10:50 (c) 11:50
3. 3.What is 15:05 in 12-hour time? (a) 3:05 a.m. (b) 3:05 p.m. (c) 5:05 p.m.
4. 4.Write 8:40 p.m. in 24-hour time. (a) 20:40 (b) 08:40 (c) 22:40
5. 5.A match starts at 10:05 and lasts 1 hour 20 minutes. At what time does it end? (a) 11:25 (b) 10:25 (c) 12:25
6. 6.A match starts at 14:10 and lasts 1 hour 5 minutes. At what time does it end? (a) 15:15 (b) 14:15 (c) 16:15
7. 7.A film is 1 hour 5 minutes long. How many minutes is that?
8. 8.A match starts at 11:40 and lasts 4 hours 10 minutes. At what time does it end? (a) 16:50 (b) 14:50 (c) 15:50
9. 9.A film is 1 hour 40 minutes long. How many minutes is that?
10. 10.A train leaves at 14:25 and reaches at 17:35. How long is the journey (in minutes)?
11. 11.Write 1:00 a.m. in 24-hour time. (a) 01:00 (b) 13:00 (c) 03:00
12. 12.Write 10:25 a.m. in 24-hour time. (a) 10:25 (b) 12:25 (c) 22:25
13. 13.What is 01:50 in 12-hour time? (a) 1:50 a.m. (b) 1:50 p.m. (c) 3:50 a.m.
14. 14.A train leaves at 17:50 and reaches at 18:35. How long is the journey (in minutes)?
15. 15.A film is 4 hours 15 minutes long. How many minutes is that?
16. 16.Write 2:25 a.m. in 24-hour time. (a) 02:25 (b) 14:25 (c) 04:25
17. 17.What is 05:15 in 12-hour time? (a) 7:15 a.m. (b) 5:15 a.m. (c) 5:15 p.m.
18. 18.A train leaves at 12:05 and reaches at 14:50. How long is the journey (in minutes)?
19. 19.How many hours are there from 12:00 to 14:00?
20. 20.Write 9:35 p.m. in 24-hour time. (a) 21:35 (b) 23:35 (c) 09:35
21. 21.A film is 4 hours 20 minutes long. How many minutes is that?
22. 22.What is 16:20 in 12-hour time? (a) 4:20 a.m. (b) 6:20 p.m. (c) 4:20 p.m.
23. 23.How many hours are there from 05:00 to 08:00?
24. 24.A match starts at 16:55 and lasts 3 hours 15 minutes. At what time does it end? (a) 21:10 (b) 19:10 (c) 20:10
25. 25.What is 16:05 in 12-hour time? (a) 4:05 p.m. (b) 6:05 p.m. (c) 4:05 a.m.
26. 26.A match starts at 09:05 and lasts 3 hours 20 minutes. At what time does it end? (a) 11:25 (b) 13:25 (c) 12:25
27. 27.What is 17:20 in 12-hour time? (a) 5:20 a.m. (b) 7:20 p.m. (c) 5:20 p.m.
28. 28.What is 07:30 in 12-hour time? (a) 7:30 a.m. (b) 9:30 a.m. (c) 7:30 p.m.
29. 29.A match starts at 17:00 and lasts 4 hours. At what time does it end? (a) 20:00 (b) 22:00 (c) 21:00
30. 30.How many hours are there from 11:00 to 22:00?
31. 31.A film is 2 hours 30 minutes long. How many minutes is that?
32. 32.What is 03:20 in 12-hour time? (a) 3:20 a.m. (b) 5:20 a.m. (c) 3:20 p.m.
33. 33.A match starts at 13:35 and lasts 1 hour 30 minutes. At what time does it end? (a) 14:05 (b) 15:05 (c) 16:05
34. 34.A film is 3 hours 10 minutes long. How many minutes is that?
35. 35.How many hours are there from 06:00 to 21:00?
36. 36.A match starts at 17:25 and lasts 4 hours 55 minutes. At what time does it end? (a) 23:20 (b) 22:20 (c) 21:20
37. 37.What is 20:05 in 12-hour time? (a) 8:05 p.m. (b) 8:05 a.m. (c) 10:05 p.m.
38. 38.Write 6:25 p.m. in 24-hour time. (a) 06:25 (b) 20:25 (c) 18:25
39. 39.A train leaves at 09:30 and reaches at 12:35. How long is the journey (in minutes)?
40. 40.How many hours are there from 12:00 to 21:00?

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