Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 922 · 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 film is 4 hours 40 minutes long. How many minutes is that?
2. 2.A match starts at 16:55 and lasts 2 hours 20 minutes. At what time does it end? (a) 20:15 (b) 18:15 (c) 19:15
3. 3.A match starts at 11:10 and lasts 2 hours 50 minutes. At what time does it end? (a) 13:00 (b) 14:00 (c) 15:00
4. 4.A train leaves at 06:25 and reaches at 09:05. How long is the journey (in minutes)?
5. 5.A match starts at 14:25 and lasts 3 hours 50 minutes. At what time does it end? (a) 17:15 (b) 19:15 (c) 18:15
6. 6.What is 02:00 in 12-hour time? (a) 2:00 a.m. (b) 2:00 p.m. (c) 4:00 a.m.
7. 7.A film is 3 hours 20 minutes long. How many minutes is that?
8. 8.How many hours are there from 12:00 to 16:00?
9. 9.How many hours are there from 06:00 to 08:00?
10. 10.Write 4:50 a.m. in 24-hour time. (a) 04:50 (b) 16:50 (c) 06:50
11. 11.What is 08:55 in 12-hour time? (a) 10:55 a.m. (b) 8:55 a.m. (c) 8:55 p.m.
12. 12.A match starts at 18:50 and lasts 2 hours 15 minutes. At what time does it end? (a) 21:05 (b) 20:05 (c) 22:05
13. 13.Write 10:45 a.m. in 24-hour time. (a) 22:45 (b) 10:45 (c) 12:45
14. 14.A match starts at 18:55 and lasts 1 hour 35 minutes. At what time does it end? (a) 19:30 (b) 20:30 (c) 21:30
15. 15.A match starts at 11:35 and lasts 1 hour 20 minutes. At what time does it end? (a) 11:55 (b) 13:55 (c) 12:55
16. 16.Write 10:30 p.m. in 24-hour time. (a) 22:30 (b) 10:30 (c) 00:30
17. 17.Write 8:00 p.m. in 24-hour time. (a) 08:00 (b) 22:00 (c) 20:00
18. 18.What is 17:45 in 12-hour time? (a) 5:45 a.m. (b) 7:45 p.m. (c) 5:45 p.m.
19. 19.A film is 1 hour 30 minutes long. How many minutes is that?
20. 20.A train leaves at 09:00 and reaches at 09:40. How long is the journey (in minutes)?
21. 21.A train leaves at 09:20 and reaches at 10:40. How long is the journey (in minutes)?
22. 22.What is 02:45 in 12-hour time? (a) 4:45 a.m. (b) 2:45 a.m. (c) 2:45 p.m.
23. 23.How many hours are there from 12:00 to 21:00?
24. 24.How many hours are there from 07:00 to 18:00?
25. 25.A film is 4 hours 5 minutes long. How many minutes is that?
26. 26.Write 7:55 p.m. in 24-hour time. (a) 19:55 (b) 07:55 (c) 21:55
27. 27.A match starts at 09:15 and lasts 2 hours 5 minutes. At what time does it end? (a) 12:20 (b) 11:20 (c) 10:20
28. 28.What is 07:15 in 12-hour time? (a) 7:15 a.m. (b) 9:15 a.m. (c) 7:15 p.m.
29. 29.A film is 3 hours 55 minutes long. How many minutes is that?
30. 30.A match starts at 09:30 and lasts 4 hours. At what time does it end? (a) 13:30 (b) 14:30 (c) 12:30
31. 31.Write 7:35 a.m. in 24-hour time. (a) 09:35 (b) 19:35 (c) 07:35
32. 32.Write 4:10 a.m. in 24-hour time. (a) 06:10 (b) 04:10 (c) 16:10
33. 33.How many hours are there from 09:00 to 17:00?
34. 34.Write 7:30 a.m. in 24-hour time. (a) 09:30 (b) 19:30 (c) 07:30
35. 35.What is 22:10 in 12-hour time? (a) 10:10 a.m. (b) 12:10 p.m. (c) 10:10 p.m.
36. 36.How many hours are there from 11:00 to 22:00?
37. 37.A train leaves at 19:30 and reaches at 20:30. How long is the journey (in minutes)?
38. 38.How many hours are there from 11:00 to 18:00?
39. 39.What is 11:20 in 12-hour time? (a) 11:20 p.m. (b) 11:20 a.m. (c) 1:20 a.m.
40. 40.What is 03:05 in 12-hour time? (a) 5:05 a.m. (b) 3:05 a.m. (c) 3:05 p.m.

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