Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 423 · 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 train leaves at 16:45 and reaches at 20:00. How long is the journey (in minutes)?
2. 2.What is 05:25 in 12-hour time? (a) 5:25 a.m. (b) 5:25 p.m. (c) 7:25 a.m.
3. 3.A train leaves at 09:55 and reaches at 10:45. How long is the journey (in minutes)?
4. 4.A train leaves at 14:25 and reaches at 15:25. How long is the journey (in minutes)?
5. 5.A match starts at 08:05 and lasts 1 hour. At what time does it end? (a) 10:05 (b) 08:05 (c) 09:05
6. 6.A film is 2 hours 50 minutes long. How many minutes is that?
7. 7.Write 5:55 a.m. in 24-hour time. (a) 05:55 (b) 07:55 (c) 17:55
8. 8.A match starts at 16:55 and lasts 4 hours 30 minutes. At what time does it end? (a) 20:25 (b) 21:25 (c) 22:25
9. 9.Write 6:10 a.m. in 24-hour time. (a) 06:10 (b) 08:10 (c) 18:10
10. 10.A match starts at 09:35 and lasts 1 hour 10 minutes. At what time does it end? (a) 09:45 (b) 10:45 (c) 11:45
11. 11.A film is 2 hours 25 minutes long. How many minutes is that?
12. 12.What is 17:05 in 12-hour time? (a) 7:05 p.m. (b) 5:05 a.m. (c) 5:05 p.m.
13. 13.What is 07:30 in 12-hour time? (a) 7:30 a.m. (b) 9:30 a.m. (c) 7:30 p.m.
14. 14.A film is 3 hours 5 minutes long. How many minutes is that?
15. 15.A train leaves at 10:50 and reaches at 13:55. How long is the journey (in minutes)?
16. 16.Write 8:10 p.m. in 24-hour time. (a) 08:10 (b) 22:10 (c) 20:10
17. 17.A film is 3 hours 10 minutes long. How many minutes is that?
18. 18.Write 4:05 a.m. in 24-hour time. (a) 16:05 (b) 06:05 (c) 04:05
19. 19.A match starts at 10:05 and lasts 2 hours. At what time does it end? (a) 12:05 (b) 13:05 (c) 11:05
20. 20.Write 3:05 p.m. in 24-hour time. (a) 03:05 (b) 15:05 (c) 17:05
21. 21.Write 2:15 p.m. in 24-hour time. (a) 14:15 (b) 02:15 (c) 16:15
22. 22.How many hours are there from 05:00 to 23:00?
23. 23.What is 16:20 in 12-hour time? (a) 4:20 p.m. (b) 6:20 p.m. (c) 4:20 a.m.
24. 24.How many hours are there from 08:00 to 12:00?
25. 25.Write 4:30 p.m. in 24-hour time. (a) 18:30 (b) 04:30 (c) 16:30
26. 26.How many hours are there from 12:00 to 14:00?
27. 27.A film is 4 hours 30 minutes long. How many minutes is that?
28. 28.A film is 3 hours 35 minutes long. How many minutes is that?
29. 29.A film is 1 hour 50 minutes long. How many minutes is that?
30. 30.Write 8:00 a.m. in 24-hour time. (a) 10:00 (b) 20:00 (c) 08:00
31. 31.A train leaves at 16:00 and reaches at 19:10. How long is the journey (in minutes)?
32. 32.What is 10:30 in 12-hour time? (a) 10:30 p.m. (b) 10:30 a.m. (c) 12:30 a.m.
33. 33.A match starts at 18:55 and lasts 1 hour 20 minutes. At what time does it end? (a) 21:15 (b) 19:15 (c) 20:15
34. 34.How many hours are there from 12:00 to 21:00?
35. 35.How many hours are there from 07:00 to 10:00?
36. 36.A film is 3 hours 25 minutes long. How many minutes is that?
37. 37.Write 4:15 p.m. in 24-hour time. (a) 16:15 (b) 18:15 (c) 04:15
38. 38.A match starts at 12:20 and lasts 3 hours 5 minutes. At what time does it end? (a) 16:25 (b) 14:25 (c) 15:25
39. 39.A match starts at 12:15 and lasts 2 hours 15 minutes. At what time does it end? (a) 13:30 (b) 14:30 (c) 15:30
40. 40.Write 3:45 a.m. in 24-hour time. (a) 03:45 (b) 15:45 (c) 05:45

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