Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 153 · 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 06:10 in 12-hour time? (a) 6:10 p.m. (b) 8:10 a.m. (c) 6:10 a.m.
2. 2.A film is 4 hours 20 minutes long. How many minutes is that?
3. 3.What is 21:10 in 12-hour time? (a) 9:10 a.m. (b) 9:10 p.m. (c) 11:10 p.m.
4. 4.How many hours are there from 09:00 to 22:00?
5. 5.What is 13:05 in 12-hour time? (a) 3:05 p.m. (b) 1:05 a.m. (c) 1:05 p.m.
6. 6.A match starts at 12:00 and lasts 2 hours 15 minutes. At what time does it end? (a) 14:15 (b) 15:15 (c) 13:15
7. 7.Write 11:25 a.m. in 24-hour time. (a) 13:25 (b) 23:25 (c) 11:25
8. 8.Write 9:55 p.m. in 24-hour time. (a) 21:55 (b) 09:55 (c) 23:55
9. 9.A film is 4 hours 45 minutes long. How many minutes is that?
10. 10.A train leaves at 11:55 and reaches at 15:10. How long is the journey (in minutes)?
11. 11.A film is 1 hour 30 minutes long. How many minutes is that?
12. 12.How many hours are there from 11:00 to 22:00?
13. 13.What is 09:20 in 12-hour time? (a) 11:20 a.m. (b) 9:20 a.m. (c) 9:20 p.m.
14. 14.Write 4:55 p.m. in 24-hour time. (a) 16:55 (b) 18:55 (c) 04:55
15. 15.A match starts at 16:35 and lasts 2 hours 20 minutes. At what time does it end? (a) 17:55 (b) 18:55 (c) 19:55
16. 16.A film is 3 hours 45 minutes long. How many minutes is that?
17. 17.Write 2:25 p.m. in 24-hour time. (a) 16:25 (b) 02:25 (c) 14:25
18. 18.A train leaves at 08:15 and reaches at 11:05. How long is the journey (in minutes)?
19. 19.What is 20:45 in 12-hour time? (a) 10:45 p.m. (b) 8:45 p.m. (c) 8:45 a.m.
20. 20.A train leaves at 19:55 and reaches at 21:30. How long is the journey (in minutes)?
21. 21.What is 07:25 in 12-hour time? (a) 7:25 p.m. (b) 9:25 a.m. (c) 7:25 a.m.
22. 22.A match starts at 18:00 and lasts 3 hours 50 minutes. At what time does it end? (a) 22:50 (b) 20:50 (c) 21:50
23. 23.A film is 1 hour 10 minutes long. How many minutes is that?
24. 24.A match starts at 12:15 and lasts 3 hours 40 minutes. At what time does it end? (a) 14:55 (b) 15:55 (c) 16:55
25. 25.Write 6:25 a.m. in 24-hour time. (a) 18:25 (b) 08:25 (c) 06:25
26. 26.Write 11:35 a.m. in 24-hour time. (a) 11:35 (b) 23:35 (c) 13:35
27. 27.What is 18:15 in 12-hour time? (a) 6:15 a.m. (b) 8:15 p.m. (c) 6:15 p.m.
28. 28.Write 3:50 a.m. in 24-hour time. (a) 03:50 (b) 15:50 (c) 05:50
29. 29.A film is 3 hours 10 minutes long. How many minutes is that?
30. 30.What is 03:40 in 12-hour time? (a) 3:40 a.m. (b) 5:40 a.m. (c) 3:40 p.m.
31. 31.What is 06:15 in 12-hour time? (a) 8:15 a.m. (b) 6:15 a.m. (c) 6:15 p.m.
32. 32.A film is 4 hours 15 minutes long. How many minutes is that?
33. 33.How many hours are there from 07:00 to 21:00?
34. 34.A film is 3 hours 25 minutes long. How many minutes is that?
35. 35.A film is 2 hours 40 minutes long. How many minutes is that?
36. 36.A train leaves at 13:45 and reaches at 14:50. How long is the journey (in minutes)?
37. 37.How many hours are there from 06:00 to 21:00?
38. 38.Write 2:45 a.m. in 24-hour time. (a) 14:45 (b) 04:45 (c) 02:45
39. 39.A film is 1 hour 35 minutes long. How many minutes is that?
40. 40.A train leaves at 19:05 and reaches at 21:45. How long is the journey (in minutes)?

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