Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 368 · 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) 7:35 p.m. (b) 5:35 a.m. (c) 5:35 p.m.
2. 2.How many hours are there from 07:00 to 12:00?
3. 3.What is 19:55 in 12-hour time? (a) 7:55 a.m. (b) 9:55 p.m. (c) 7:55 p.m.
4. 4.What is 22:55 in 12-hour time? (a) 10:55 a.m. (b) 12:55 p.m. (c) 10:55 p.m.
5. 5.How many hours are there from 09:00 to 15:00?
6. 6.What is 01:05 in 12-hour time? (a) 1:05 a.m. (b) 3:05 a.m. (c) 1:05 p.m.
7. 7.What is 13:15 in 12-hour time? (a) 1:15 p.m. (b) 3:15 p.m. (c) 1:15 a.m.
8. 8.What is 15:20 in 12-hour time? (a) 3:20 p.m. (b) 3:20 a.m. (c) 5:20 p.m.
9. 9.A train leaves at 12:00 and reaches at 13:55. How long is the journey (in minutes)?
10. 10.A train leaves at 06:45 and reaches at 07:30. How long is the journey (in minutes)?
11. 11.Write 9:40 p.m. in 24-hour time. (a) 21:40 (b) 23:40 (c) 09:40
12. 12.A match starts at 06:25 and lasts 1 hour. At what time does it end? (a) 07:25 (b) 06:25 (c) 08:25
13. 13.Write 1:45 p.m. in 24-hour time. (a) 01:45 (b) 15:45 (c) 13:45
14. 14.What is 11:50 in 12-hour time? (a) 11:50 a.m. (b) 1:50 a.m. (c) 11:50 p.m.
15. 15.A match starts at 15:05 and lasts 4 hours 10 minutes. At what time does it end? (a) 20:15 (b) 19:15 (c) 18:15
16. 16.Write 5:40 a.m. in 24-hour time. (a) 05:40 (b) 07:40 (c) 17:40
17. 17.How many hours are there from 10:00 to 15:00?
18. 18.A train leaves at 08:35 and reaches at 10:50. How long is the journey (in minutes)?
19. 19.How many hours are there from 06:00 to 20:00?
20. 20.How many hours are there from 05:00 to 10:00?
21. 21.A film is 4 hours 10 minutes long. How many minutes is that?
22. 22.A film is 2 hours 45 minutes long. How many minutes is that?
23. 23.What is 13:30 in 12-hour time? (a) 1:30 a.m. (b) 1:30 p.m. (c) 3:30 p.m.
24. 24.What is 11:20 in 12-hour time? (a) 11:20 a.m. (b) 11:20 p.m. (c) 1:20 a.m.
25. 25.What is 03:55 in 12-hour time? (a) 5:55 a.m. (b) 3:55 a.m. (c) 3:55 p.m.
26. 26.A match starts at 06:40 and lasts 4 hours 55 minutes. At what time does it end? (a) 12:35 (b) 10:35 (c) 11:35
27. 27.Write 2:50 p.m. in 24-hour time. (a) 14:50 (b) 02:50 (c) 16:50
28. 28.A film is 4 hours 35 minutes long. How many minutes is that?
29. 29.Write 6:55 p.m. in 24-hour time. (a) 20:55 (b) 06:55 (c) 18:55
30. 30.A match starts at 14:10 and lasts 3 hours 55 minutes. At what time does it end? (a) 19:05 (b) 18:05 (c) 17:05
31. 31.Write 2:45 p.m. in 24-hour time. (a) 02:45 (b) 14:45 (c) 16:45
32. 32.What is 06:25 in 12-hour time? (a) 6:25 p.m. (b) 8:25 a.m. (c) 6:25 a.m.
33. 33.A train leaves at 07:45 and reaches at 08:15. How long is the journey (in minutes)?
34. 34.A match starts at 12:30 and lasts 3 hours 30 minutes. At what time does it end? (a) 15:00 (b) 16:00 (c) 17:00
35. 35.A film is 2 hours 25 minutes long. How many minutes is that?
36. 36.A film is 3 hours 40 minutes long. How many minutes is that?
37. 37.What is 18:05 in 12-hour time? (a) 6:05 a.m. (b) 8:05 p.m. (c) 6:05 p.m.
38. 38.A film is 4 hours 15 minutes long. How many minutes is that?
39. 39.A match starts at 07:55 and lasts 4 hours 25 minutes. At what time does it end? (a) 12:20 (b) 13:20 (c) 11:20
40. 40.How many hours are there from 05:00 to 19:00?

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