Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 510 · 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.How many hours are there from 06:00 to 09:00?
2. 2.What is 19:55 in 12-hour time? (a) 9:55 p.m. (b) 7:55 a.m. (c) 7:55 p.m.
3. 3.A match starts at 07:35 and lasts 1 hour 10 minutes. At what time does it end? (a) 07:45 (b) 09:45 (c) 08:45
4. 4.A train leaves at 12:35 and reaches at 15:45. How long is the journey (in minutes)?
5. 5.Write 4:15 p.m. in 24-hour time. (a) 04:15 (b) 16:15 (c) 18:15
6. 6.A film is 3 hours 5 minutes long. How many minutes is that?
7. 7.Write 5:20 p.m. in 24-hour time. (a) 19:20 (b) 17:20 (c) 05:20
8. 8.Write 11:10 a.m. in 24-hour time. (a) 13:10 (b) 11:10 (c) 23:10
9. 9.Write 10:40 a.m. in 24-hour time. (a) 12:40 (b) 10:40 (c) 22:40
10. 10.A film is 3 hours 30 minutes long. How many minutes is that?
11. 11.Write 5:05 a.m. in 24-hour time. (a) 05:05 (b) 17:05 (c) 07:05
12. 12.What is 03:00 in 12-hour time? (a) 3:00 p.m. (b) 3:00 a.m. (c) 5:00 a.m.
13. 13.A train leaves at 08:25 and reaches at 09:25. How long is the journey (in minutes)?
14. 14.A train leaves at 16:35 and reaches at 18:35. How long is the journey (in minutes)?
15. 15.Write 3:30 p.m. in 24-hour time. (a) 17:30 (b) 15:30 (c) 03:30
16. 16.A match starts at 06:15 and lasts 4 hours 30 minutes. At what time does it end? (a) 11:45 (b) 10:45 (c) 09:45
17. 17.A match starts at 16:50 and lasts 1 hour 10 minutes. At what time does it end? (a) 17:00 (b) 19:00 (c) 18:00
18. 18.A film is 2 hours 25 minutes long. How many minutes is that?
19. 19.A match starts at 08:15 and lasts 3 hours. At what time does it end? (a) 11:15 (b) 12:15 (c) 10:15
20. 20.What is 17:30 in 12-hour time? (a) 5:30 a.m. (b) 7:30 p.m. (c) 5:30 p.m.
21. 21.A train leaves at 09:20 and reaches at 10:10. How long is the journey (in minutes)?
22. 22.A film is 3 hours 20 minutes long. How many minutes is that?
23. 23.A film is 3 hours 45 minutes long. How many minutes is that?
24. 24.Write 6:40 p.m. in 24-hour time. (a) 06:40 (b) 18:40 (c) 20:40
25. 25.Write 7:20 a.m. in 24-hour time. (a) 07:20 (b) 09:20 (c) 19:20
26. 26.A match starts at 12:10 and lasts 2 hours 30 minutes. At what time does it end? (a) 15:40 (b) 13:40 (c) 14:40
27. 27.A match starts at 07:35 and lasts 1 hour 15 minutes. At what time does it end? (a) 07:50 (b) 09:50 (c) 08:50
28. 28.What is 17:50 in 12-hour time? (a) 5:50 p.m. (b) 5:50 a.m. (c) 7:50 p.m.
29. 29.A match starts at 15:45 and lasts 4 hours 35 minutes. At what time does it end? (a) 21:20 (b) 19:20 (c) 20:20
30. 30.A film is 1 hour 35 minutes long. How many minutes is that?
31. 31.How many hours are there from 12:00 to 21:00?
32. 32.A match starts at 14:25 and lasts 2 hours 50 minutes. At what time does it end? (a) 16:15 (b) 17:15 (c) 18:15
33. 33.A match starts at 17:10 and lasts 2 hours 50 minutes. At what time does it end? (a) 20:00 (b) 21:00 (c) 19:00
34. 34.How many hours are there from 07:00 to 16:00?
35. 35.Write 7:05 a.m. in 24-hour time. (a) 09:05 (b) 07:05 (c) 19:05
36. 36.What is 01:10 in 12-hour time? (a) 1:10 p.m. (b) 3:10 a.m. (c) 1:10 a.m.
37. 37.What is 22:25 in 12-hour time? (a) 12:25 p.m. (b) 10:25 a.m. (c) 10:25 p.m.
38. 38.What is 02:50 in 12-hour time? (a) 2:50 p.m. (b) 4:50 a.m. (c) 2:50 a.m.
39. 39.A film is 1 hour 20 minutes long. How many minutes is that?
40. 40.What is 15:55 in 12-hour time? (a) 3:55 p.m. (b) 5:55 p.m. (c) 3:55 a.m.

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