Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 894 · 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 04:20 in 12-hour time? (a) 4:20 p.m. (b) 4:20 a.m. (c) 6:20 a.m.
2. 2.Write 5:35 a.m. in 24-hour time. (a) 05:35 (b) 17:35 (c) 07:35
3. 3.A train leaves at 06:50 and reaches at 07:30. How long is the journey (in minutes)?
4. 4.What is 16:50 in 12-hour time? (a) 6:50 p.m. (b) 4:50 a.m. (c) 4:50 p.m.
5. 5.What is 22:45 in 12-hour time? (a) 12:45 p.m. (b) 10:45 p.m. (c) 10:45 a.m.
6. 6.A film is 4 hours 10 minutes long. How many minutes is that?
7. 7.A film is 4 hours 35 minutes long. How many minutes is that?
8. 8.A match starts at 06:50 and lasts 2 hours 35 minutes. At what time does it end? (a) 08:25 (b) 10:25 (c) 09:25
9. 9.A train leaves at 09:20 and reaches at 10:50. How long is the journey (in minutes)?
10. 10.A film is 1 hour 50 minutes long. How many minutes is that?
11. 11.What is 21:00 in 12-hour time? (a) 9:00 p.m. (b) 11:00 p.m. (c) 9:00 a.m.
12. 12.A match starts at 15:10 and lasts 2 hours 50 minutes. At what time does it end? (a) 17:00 (b) 19:00 (c) 18:00
13. 13.What is 03:05 in 12-hour time? (a) 5:05 a.m. (b) 3:05 a.m. (c) 3:05 p.m.
14. 14.What is 08:35 in 12-hour time? (a) 10:35 a.m. (b) 8:35 p.m. (c) 8:35 a.m.
15. 15.How many hours are there from 12:00 to 18:00?
16. 16.A match starts at 12:35 and lasts 3 hours 30 minutes. At what time does it end? (a) 17:05 (b) 15:05 (c) 16:05
17. 17.Write 10:30 p.m. in 24-hour time. (a) 10:30 (b) 00:30 (c) 22:30
18. 18.Write 4:45 p.m. in 24-hour time. (a) 16:45 (b) 04:45 (c) 18:45
19. 19.A film is 1 hour 15 minutes long. How many minutes is that?
20. 20.What is 13:30 in 12-hour time? (a) 3:30 p.m. (b) 1:30 a.m. (c) 1:30 p.m.
21. 21.A film is 3 hours 5 minutes long. How many minutes is that?
22. 22.A train leaves at 09:30 and reaches at 10:25. How long is the journey (in minutes)?
23. 23.How many hours are there from 12:00 to 19:00?
24. 24.How many hours are there from 10:00 to 17:00?
25. 25.How many hours are there from 05:00 to 19:00?
26. 26.A train leaves at 14:25 and reaches at 16:10. How long is the journey (in minutes)?
27. 27.A train leaves at 11:10 and reaches at 14:10. How long is the journey (in minutes)?
28. 28.Write 2:15 a.m. in 24-hour time. (a) 14:15 (b) 02:15 (c) 04:15
29. 29.A film is 1 hour 45 minutes long. How many minutes is that?
30. 30.A match starts at 06:55 and lasts 4 hours 30 minutes. At what time does it end? (a) 10:25 (b) 12:25 (c) 11:25
31. 31.A train leaves at 14:35 and reaches at 16:10. How long is the journey (in minutes)?
32. 32.What is 05:30 in 12-hour time? (a) 7:30 a.m. (b) 5:30 p.m. (c) 5:30 a.m.
33. 33.A match starts at 06:20 and lasts 1 hour 50 minutes. At what time does it end? (a) 09:10 (b) 07:10 (c) 08:10
34. 34.A film is 3 hours 50 minutes long. How many minutes is that?
35. 35.A film is 4 hours 30 minutes long. How many minutes is that?
36. 36.What is 10:15 in 12-hour time? (a) 10:15 a.m. (b) 12:15 a.m. (c) 10:15 p.m.
37. 37.Write 6:40 p.m. in 24-hour time. (a) 20:40 (b) 18:40 (c) 06:40
38. 38.How many hours are there from 09:00 to 18:00?
39. 39.Write 1:10 a.m. in 24-hour time. (a) 01:10 (b) 03:10 (c) 13:10
40. 40.How many hours are there from 12:00 to 20:00?

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