Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 179 · 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 match starts at 12:15 and lasts 2 hours 30 minutes. At what time does it end? (a) 13:45 (b) 15:45 (c) 14:45
2. 2.A train leaves at 09:00 and reaches at 10:05. How long is the journey (in minutes)?
3. 3.A train leaves at 06:50 and reaches at 09:40. How long is the journey (in minutes)?
4. 4.A match starts at 07:50 and lasts 1 hour 45 minutes. At what time does it end? (a) 10:35 (b) 09:35 (c) 08:35
5. 5.What is 22:30 in 12-hour time? (a) 10:30 p.m. (b) 10:30 a.m. (c) 12:30 p.m.
6. 6.A film is 2 hours 5 minutes long. How many minutes is that?
7. 7.How many hours are there from 05:00 to 11:00?
8. 8.A train leaves at 19:05 and reaches at 20:50. How long is the journey (in minutes)?
9. 9.A film is 4 hours 30 minutes long. How many minutes is that?
10. 10.What is 03:20 in 12-hour time? (a) 5:20 a.m. (b) 3:20 a.m. (c) 3:20 p.m.
11. 11.Write 6:40 p.m. in 24-hour time. (a) 18:40 (b) 20:40 (c) 06:40
12. 12.A match starts at 12:30 and lasts 4 hours 45 minutes. At what time does it end? (a) 16:15 (b) 18:15 (c) 17:15
13. 13.A film is 1 hour 55 minutes long. How many minutes is that?
14. 14.Write 4:05 p.m. in 24-hour time. (a) 16:05 (b) 18:05 (c) 04:05
15. 15.A film is 1 hour 10 minutes long. How many minutes is that?
16. 16.Write 1:35 a.m. in 24-hour time. (a) 13:35 (b) 01:35 (c) 03:35
17. 17.Write 9:55 p.m. in 24-hour time. (a) 09:55 (b) 23:55 (c) 21:55
18. 18.A film is 1 hour 40 minutes long. How many minutes is that?
19. 19.A train leaves at 07:25 and reaches at 09:45. How long is the journey (in minutes)?
20. 20.A train leaves at 17:20 and reaches at 19:50. How long is the journey (in minutes)?
21. 21.A film is 2 hours 35 minutes long. How many minutes is that?
22. 22.How many hours are there from 05:00 to 12:00?
23. 23.Write 3:45 p.m. in 24-hour time. (a) 17:45 (b) 03:45 (c) 15:45
24. 24.A match starts at 08:40 and lasts 1 hour 50 minutes. At what time does it end? (a) 11:30 (b) 09:30 (c) 10:30
25. 25.What is 17:40 in 12-hour time? (a) 5:40 a.m. (b) 7:40 p.m. (c) 5:40 p.m.
26. 26.Write 8:45 p.m. in 24-hour time. (a) 08:45 (b) 22:45 (c) 20:45
27. 27.What is 09:50 in 12-hour time? (a) 9:50 a.m. (b) 9:50 p.m. (c) 11:50 a.m.
28. 28.What is 11:50 in 12-hour time? (a) 11:50 a.m. (b) 1:50 a.m. (c) 11:50 p.m.
29. 29.What is 20:25 in 12-hour time? (a) 10:25 p.m. (b) 8:25 a.m. (c) 8:25 p.m.
30. 30.How many hours are there from 10:00 to 12:00?
31. 31.A film is 3 hours 45 minutes long. How many minutes is that?
32. 32.How many hours are there from 10:00 to 16:00?
33. 33.What is 22:25 in 12-hour time? (a) 10:25 p.m. (b) 10:25 a.m. (c) 12:25 p.m.
34. 34.How many hours are there from 06:00 to 22:00?
35. 35.A train leaves at 12:05 and reaches at 13:10. How long is the journey (in minutes)?
36. 36.A train leaves at 11:00 and reaches at 12:30. How long is the journey (in minutes)?
37. 37.What is 13:40 in 12-hour time? (a) 1:40 a.m. (b) 3:40 p.m. (c) 1:40 p.m.
38. 38.What is 19:40 in 12-hour time? (a) 7:40 a.m. (b) 7:40 p.m. (c) 9:40 p.m.
39. 39.A film is 2 hours 15 minutes long. How many minutes is that?
40. 40.How many hours are there from 06:00 to 13:00?

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