Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 405 · 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 07:30 in 12-hour time? (a) 7:30 a.m. (b) 9:30 a.m. (c) 7:30 p.m.
2. 2.A match starts at 07:05 and lasts 3 hours. At what time does it end? (a) 09:05 (b) 10:05 (c) 11:05
3. 3.What is 18:50 in 12-hour time? (a) 6:50 p.m. (b) 8:50 p.m. (c) 6:50 a.m.
4. 4.How many hours are there from 07:00 to 09:00?
5. 5.A train leaves at 16:45 and reaches at 18:15. How long is the journey (in minutes)?
6. 6.A film is 2 hours 40 minutes long. How many minutes is that?
7. 7.Write 4:55 p.m. in 24-hour time. (a) 16:55 (b) 18:55 (c) 04:55
8. 8.Write 1:10 p.m. in 24-hour time. (a) 01:10 (b) 15:10 (c) 13:10
9. 9.A train leaves at 17:50 and reaches at 19:10. How long is the journey (in minutes)?
10. 10.What is 02:10 in 12-hour time? (a) 4:10 a.m. (b) 2:10 p.m. (c) 2:10 a.m.
11. 11.A match starts at 17:40 and lasts 3 hours 55 minutes. At what time does it end? (a) 22:35 (b) 21:35 (c) 20:35
12. 12.Write 11:35 a.m. in 24-hour time. (a) 13:35 (b) 11:35 (c) 23:35
13. 13.How many hours are there from 12:00 to 21:00?
14. 14.A film is 4 hours 20 minutes long. How many minutes is that?
15. 15.Write 2:45 p.m. in 24-hour time. (a) 16:45 (b) 14:45 (c) 02:45
16. 16.A film is 1 hour 50 minutes long. How many minutes is that?
17. 17.A film is 1 hour 20 minutes long. How many minutes is that?
18. 18.A film is 2 hours 30 minutes long. How many minutes is that?
19. 19.What is 20:10 in 12-hour time? (a) 8:10 p.m. (b) 10:10 p.m. (c) 8:10 a.m.
20. 20.A film is 3 hours 15 minutes long. How many minutes is that?
21. 21.A film is 1 hour 25 minutes long. How many minutes is that?
22. 22.A match starts at 15:35 and lasts 2 hours 5 minutes. At what time does it end? (a) 18:40 (b) 16:40 (c) 17:40
23. 23.What is 16:05 in 12-hour time? (a) 4:05 a.m. (b) 6:05 p.m. (c) 4:05 p.m.
24. 24.What is 17:00 in 12-hour time? (a) 7:00 p.m. (b) 5:00 p.m. (c) 5:00 a.m.
25. 25.A match starts at 10:10 and lasts 1 hour 30 minutes. At what time does it end? (a) 12:40 (b) 11:40 (c) 10:40
26. 26.How many hours are there from 05:00 to 14:00?
27. 27.Write 1:25 p.m. in 24-hour time. (a) 15:25 (b) 01:25 (c) 13:25
28. 28.A train leaves at 16:25 and reaches at 17:50. How long is the journey (in minutes)?
29. 29.A train leaves at 08:15 and reaches at 10:25. How long is the journey (in minutes)?
30. 30.A train leaves at 08:15 and reaches at 08:45. How long is the journey (in minutes)?
31. 31.A film is 1 hour 30 minutes long. How many minutes is that?
32. 32.A film is 4 hours 5 minutes long. How many minutes is that?
33. 33.A match starts at 08:15 and lasts 1 hour 30 minutes. At what time does it end? (a) 10:45 (b) 09:45 (c) 08:45
34. 34.How many hours are there from 08:00 to 23:00?
35. 35.A match starts at 11:30 and lasts 4 hours. At what time does it end? (a) 16:30 (b) 14:30 (c) 15:30
36. 36.How many hours are there from 05:00 to 22:00?
37. 37.How many hours are there from 06:00 to 20:00?
38. 38.A match starts at 17:00 and lasts 4 hours 5 minutes. At what time does it end? (a) 21:05 (b) 22:05 (c) 20:05
39. 39.A match starts at 07:25 and lasts 1 hour 20 minutes. At what time does it end? (a) 07:45 (b) 09:45 (c) 08:45
40. 40.A train leaves at 09:05 and reaches at 10:55. How long is the journey (in minutes)?

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