Class 4 Maths Worksheet: 24-Hour Clock

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

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