Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 411 · 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 10 minutes long. How many minutes is that?
2. 2.What is 17:45 in 12-hour time? (a) 5:45 a.m. (b) 7:45 p.m. (c) 5:45 p.m.
3. 3.A train leaves at 19:35 and reaches at 22:20. How long is the journey (in minutes)?
4. 4.Write 10:25 a.m. in 24-hour time. (a) 22:25 (b) 10:25 (c) 12:25
5. 5.A match starts at 08:45 and lasts 1 hour. At what time does it end? (a) 09:45 (b) 08:45 (c) 10:45
6. 6.What is 11:45 in 12-hour time? (a) 11:45 a.m. (b) 1:45 a.m. (c) 11:45 p.m.
7. 7.A film is 4 hours 25 minutes long. How many minutes is that?
8. 8.What is 21:50 in 12-hour time? (a) 11:50 p.m. (b) 9:50 a.m. (c) 9:50 p.m.
9. 9.A film is 2 hours 20 minutes long. How many minutes is that?
10. 10.How many hours are there from 11:00 to 17:00?
11. 11.A train leaves at 16:40 and reaches at 18:55. How long is the journey (in minutes)?
12. 12.A train leaves at 07:00 and reaches at 08:40. How long is the journey (in minutes)?
13. 13.A train leaves at 14:20 and reaches at 15:20. How long is the journey (in minutes)?
14. 14.A train leaves at 19:40 and reaches at 21:15. How long is the journey (in minutes)?
15. 15.A film is 4 hours 55 minutes long. How many minutes is that?
16. 16.A train leaves at 19:05 and reaches at 21:00. How long is the journey (in minutes)?
17. 17.How many hours are there from 08:00 to 14:00?
18. 18.A train leaves at 14:10 and reaches at 14:35. How long is the journey (in minutes)?
19. 19.How many hours are there from 10:00 to 21:00?
20. 20.A match starts at 18:50 and lasts 2 hours 35 minutes. At what time does it end? (a) 20:25 (b) 22:25 (c) 21:25
21. 21.What is 02:50 in 12-hour time? (a) 2:50 p.m. (b) 2:50 a.m. (c) 4:50 a.m.
22. 22.How many hours are there from 06:00 to 12:00?
23. 23.How many hours are there from 10:00 to 12:00?
24. 24.Write 4:05 a.m. in 24-hour time. (a) 04:05 (b) 16:05 (c) 06:05
25. 25.What is 03:45 in 12-hour time? (a) 3:45 a.m. (b) 5:45 a.m. (c) 3:45 p.m.
26. 26.What is 02:45 in 12-hour time? (a) 4:45 a.m. (b) 2:45 p.m. (c) 2:45 a.m.
27. 27.A train leaves at 14:05 and reaches at 16:30. How long is the journey (in minutes)?
28. 28.How many hours are there from 07:00 to 10:00?
29. 29.Write 10:20 a.m. in 24-hour time. (a) 10:20 (b) 12:20 (c) 22:20
30. 30.A train leaves at 18:00 and reaches at 18:40. How long is the journey (in minutes)?
31. 31.A match starts at 12:10 and lasts 3 hours 25 minutes. At what time does it end? (a) 14:35 (b) 16:35 (c) 15:35
32. 32.A train leaves at 18:30 and reaches at 20:25. How long is the journey (in minutes)?
33. 33.A train leaves at 19:55 and reaches at 21:45. How long is the journey (in minutes)?
34. 34.How many hours are there from 07:00 to 14:00?
35. 35.Write 2:30 a.m. in 24-hour time. (a) 02:30 (b) 04:30 (c) 14:30
36. 36.A match starts at 16:35 and lasts 1 hour 25 minutes. At what time does it end? (a) 19:00 (b) 18:00 (c) 17:00
37. 37.A film is 2 hours 10 minutes long. How many minutes is that?
38. 38.A film is 1 hour 20 minutes long. How many minutes is that?
39. 39.A film is 1 hour 50 minutes long. How many minutes is that?
40. 40.A train leaves at 12:30 and reaches at 15:35. How long is the journey (in minutes)?

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