Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 798 · 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 16:50 in 12-hour time? (a) 4:50 a.m. (b) 6:50 p.m. (c) 4:50 p.m.
2. 2.Write 8:25 a.m. in 24-hour time. (a) 10:25 (b) 20:25 (c) 08:25
3. 3.A match starts at 08:10 and lasts 3 hours 25 minutes. At what time does it end? (a) 12:35 (b) 11:35 (c) 10:35
4. 4.A film is 1 hour 35 minutes long. How many minutes is that?
5. 5.Write 4:45 p.m. in 24-hour time. (a) 16:45 (b) 18:45 (c) 04:45
6. 6.A match starts at 15:05 and lasts 2 hours 5 minutes. At what time does it end? (a) 16:10 (b) 17:10 (c) 18:10
7. 7.A match starts at 06:30 and lasts 3 hours 10 minutes. At what time does it end? (a) 10:40 (b) 09:40 (c) 08:40
8. 8.A film is 2 hours 15 minutes long. How many minutes is that?
9. 9.What is 23:20 in 12-hour time? (a) 1:20 p.m. (b) 11:20 p.m. (c) 11:20 a.m.
10. 10.A match starts at 07:05 and lasts 1 hour 20 minutes. At what time does it end? (a) 07:25 (b) 09:25 (c) 08:25
11. 11.A train leaves at 06:25 and reaches at 09:10. How long is the journey (in minutes)?
12. 12.How many hours are there from 11:00 to 18:00?
13. 13.How many hours are there from 10:00 to 17:00?
14. 14.What is 07:05 in 12-hour time? (a) 7:05 a.m. (b) 9:05 a.m. (c) 7:05 p.m.
15. 15.What is 15:40 in 12-hour time? (a) 3:40 p.m. (b) 3:40 a.m. (c) 5:40 p.m.
16. 16.A match starts at 18:55 and lasts 1 hour 20 minutes. At what time does it end? (a) 19:15 (b) 21:15 (c) 20:15
17. 17.Write 9:00 p.m. in 24-hour time. (a) 21:00 (b) 09:00 (c) 23:00
18. 18.What is 05:00 in 12-hour time? (a) 5:00 p.m. (b) 7:00 a.m. (c) 5:00 a.m.
19. 19.What is 02:05 in 12-hour time? (a) 2:05 p.m. (b) 4:05 a.m. (c) 2:05 a.m.
20. 20.How many hours are there from 11:00 to 15:00?
21. 21.A match starts at 13:15 and lasts 1 hour 45 minutes. At what time does it end? (a) 14:00 (b) 15:00 (c) 16:00
22. 22.Write 9:45 a.m. in 24-hour time. (a) 21:45 (b) 09:45 (c) 11:45
23. 23.How many hours are there from 05:00 to 09:00?
24. 24.What is 16:05 in 12-hour time? (a) 4:05 p.m. (b) 6:05 p.m. (c) 4:05 a.m.
25. 25.A film is 4 hours 15 minutes long. How many minutes is that?
26. 26.How many hours are there from 08:00 to 19:00?
27. 27.A film is 4 hours 10 minutes long. How many minutes is that?
28. 28.What is 06:00 in 12-hour time? (a) 6:00 a.m. (b) 8:00 a.m. (c) 6:00 p.m.
29. 29.A film is 1 hour 10 minutes long. How many minutes is that?
30. 30.A film is 1 hour 20 minutes long. How many minutes is that?
31. 31.A match starts at 10:00 and lasts 3 hours 50 minutes. At what time does it end? (a) 14:50 (b) 12:50 (c) 13:50
32. 32.A match starts at 13:50 and lasts 3 hours 20 minutes. At what time does it end? (a) 18:10 (b) 17:10 (c) 16:10
33. 33.How many hours are there from 09:00 to 23:00?
34. 34.A film is 4 hours 45 minutes long. How many minutes is that?
35. 35.A train leaves at 06:15 and reaches at 07:35. How long is the journey (in minutes)?
36. 36.Write 1:20 a.m. in 24-hour time. (a) 13:20 (b) 03:20 (c) 01:20
37. 37.A film is 2 hours 10 minutes long. How many minutes is that?
38. 38.A film is 3 hours 25 minutes long. How many minutes is that?
39. 39.What is 06:05 in 12-hour time? (a) 6:05 a.m. (b) 6:05 p.m. (c) 8:05 a.m.
40. 40.What is 02:30 in 12-hour time? (a) 4:30 a.m. (b) 2:30 a.m. (c) 2:30 p.m.

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