Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 409 · 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.A match starts at 11:30 and lasts 4 hours 20 minutes. At what time does it end? (a) 15:50 (b) 16:50 (c) 14:50
2. 2.A film is 1 hour 15 minutes long. How many minutes is that?
3. 3.What is 20:20 in 12-hour time? (a) 8:20 p.m. (b) 8:20 a.m. (c) 10:20 p.m.
4. 4.Write 3:50 p.m. in 24-hour time. (a) 15:50 (b) 17:50 (c) 03:50
5. 5.A train leaves at 08:50 and reaches at 09:25. How long is the journey (in minutes)?
6. 6.What is 04:15 in 12-hour time? (a) 6:15 a.m. (b) 4:15 p.m. (c) 4:15 a.m.
7. 7.How many hours are there from 05:00 to 16:00?
8. 8.A film is 2 hours 50 minutes long. How many minutes is that?
9. 9.How many hours are there from 08:00 to 22:00?
10. 10.Write 5:35 a.m. in 24-hour time. (a) 17:35 (b) 07:35 (c) 05:35
11. 11.What is 19:45 in 12-hour time? (a) 7:45 a.m. (b) 9:45 p.m. (c) 7:45 p.m.
12. 12.A train leaves at 09:45 and reaches at 12:30. How long is the journey (in minutes)?
13. 13.How many hours are there from 09:00 to 13:00?
14. 14.What is 14:50 in 12-hour time? (a) 4:50 p.m. (b) 2:50 a.m. (c) 2:50 p.m.
15. 15.How many hours are there from 07:00 to 22:00?
16. 16.A train leaves at 14:00 and reaches at 14:55. How long is the journey (in minutes)?
17. 17.Write 6:45 p.m. in 24-hour time. (a) 06:45 (b) 20:45 (c) 18:45
18. 18.A match starts at 11:30 and lasts 1 hour 50 minutes. At what time does it end? (a) 12:20 (b) 14:20 (c) 13:20
19. 19.A film is 4 hours 5 minutes long. How many minutes is that?
20. 20.A train leaves at 11:35 and reaches at 13:35. How long is the journey (in minutes)?
21. 21.What is 02:00 in 12-hour time? (a) 2:00 p.m. (b) 4:00 a.m. (c) 2:00 a.m.
22. 22.A match starts at 17:10 and lasts 3 hours 45 minutes. At what time does it end? (a) 20:55 (b) 21:55 (c) 19:55
23. 23.What is 01:10 in 12-hour time? (a) 1:10 p.m. (b) 3:10 a.m. (c) 1:10 a.m.
24. 24.A film is 1 hour 55 minutes long. How many minutes is that?
25. 25.Write 1:10 a.m. in 24-hour time. (a) 01:10 (b) 13:10 (c) 03:10
26. 26.What is 16:10 in 12-hour time? (a) 4:10 a.m. (b) 4:10 p.m. (c) 6:10 p.m.
27. 27.A film is 4 hours 45 minutes long. How many minutes is that?
28. 28.Write 9:50 p.m. in 24-hour time. (a) 09:50 (b) 23:50 (c) 21:50
29. 29.A match starts at 14:40 and lasts 2 hours 5 minutes. At what time does it end? (a) 16:45 (b) 17:45 (c) 15:45
30. 30.Write 6:10 p.m. in 24-hour time. (a) 06:10 (b) 18:10 (c) 20:10
31. 31.A match starts at 16:30 and lasts 2 hours 5 minutes. At what time does it end? (a) 17:35 (b) 18:35 (c) 19:35
32. 32.What is 11:15 in 12-hour time? (a) 11:15 p.m. (b) 11:15 a.m. (c) 1:15 a.m.
33. 33.Write 1:00 p.m. in 24-hour time. (a) 15:00 (b) 13:00 (c) 01:00
34. 34.A film is 3 hours 55 minutes long. How many minutes is that?
35. 35.How many hours are there from 11:00 to 19:00?
36. 36.What is 08:05 in 12-hour time? (a) 8:05 p.m. (b) 10:05 a.m. (c) 8:05 a.m.
37. 37.A film is 2 hours 10 minutes long. How many minutes is that?
38. 38.What is 20:25 in 12-hour time? (a) 8:25 a.m. (b) 8:25 p.m. (c) 10:25 p.m.
39. 39.A film is 4 hours 55 minutes long. How many minutes is that?
40. 40.How many hours are there from 09:00 to 15:00?

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