Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 570 · 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.Write 10:55 p.m. in 24-hour time. (a) 00:55 (b) 22:55 (c) 10:55
2. 2.How many hours are there from 08:00 to 19:00?
3. 3.A train leaves at 16:35 and reaches at 19:20. How long is the journey (in minutes)?
4. 4.A film is 4 hours 25 minutes long. How many minutes is that?
5. 5.A train leaves at 09:30 and reaches at 10:50. How long is the journey (in minutes)?
6. 6.What is 15:10 in 12-hour time? (a) 3:10 p.m. (b) 3:10 a.m. (c) 5:10 p.m.
7. 7.Write 1:15 p.m. in 24-hour time. (a) 13:15 (b) 01:15 (c) 15:15
8. 8.How many hours are there from 11:00 to 16:00?
9. 9.A match starts at 09:35 and lasts 1 hour 5 minutes. At what time does it end? (a) 10:40 (b) 11:40 (c) 09:40
10. 10.What is 01:20 in 12-hour time? (a) 1:20 p.m. (b) 1:20 a.m. (c) 3:20 a.m.
11. 11.A film is 1 hour 20 minutes long. How many minutes is that?
12. 12.What is 05:20 in 12-hour time? (a) 5:20 p.m. (b) 5:20 a.m. (c) 7:20 a.m.
13. 13.How many hours are there from 09:00 to 23:00?
14. 14.A film is 1 hour 55 minutes long. How many minutes is that?
15. 15.A train leaves at 17:55 and reaches at 20:30. How long is the journey (in minutes)?
16. 16.A match starts at 17:30 and lasts 2 hours. At what time does it end? (a) 18:30 (b) 19:30 (c) 20:30
17. 17.A match starts at 07:35 and lasts 3 hours 50 minutes. At what time does it end? (a) 12:25 (b) 10:25 (c) 11:25
18. 18.A film is 2 hours 10 minutes long. How many minutes is that?
19. 19.What is 17:10 in 12-hour time? (a) 5:10 p.m. (b) 7:10 p.m. (c) 5:10 a.m.
20. 20.A match starts at 11:25 and lasts 1 hour 20 minutes. At what time does it end? (a) 11:45 (b) 12:45 (c) 13:45
21. 21.A match starts at 13:55 and lasts 1 hour 25 minutes. At what time does it end? (a) 15:20 (b) 14:20 (c) 16:20
22. 22.A match starts at 06:10 and lasts 1 hour 50 minutes. At what time does it end? (a) 07:00 (b) 09:00 (c) 08:00
23. 23.Write 1:45 p.m. in 24-hour time. (a) 15:45 (b) 01:45 (c) 13:45
24. 24.How many hours are there from 07:00 to 15:00?
25. 25.How many hours are there from 06:00 to 16:00?
26. 26.A match starts at 18:55 and lasts 4 hours 20 minutes. At what time does it end? (a) 00:15 (b) 22:15 (c) 23:15
27. 27.A train leaves at 06:20 and reaches at 08:40. How long is the journey (in minutes)?
28. 28.A match starts at 14:10 and lasts 1 hour. At what time does it end? (a) 16:10 (b) 15:10 (c) 14:10
29. 29.How many hours are there from 09:00 to 20:00?
30. 30.Write 2:25 a.m. in 24-hour time. (a) 02:25 (b) 14:25 (c) 04:25
31. 31.What is 07:15 in 12-hour time? (a) 9:15 a.m. (b) 7:15 a.m. (c) 7:15 p.m.
32. 32.Write 11:50 p.m. in 24-hour time. (a) 01:50 (b) 23:50 (c) 11:50
33. 33.Write 6:30 p.m. in 24-hour time. (a) 06:30 (b) 18:30 (c) 20:30
34. 34.A match starts at 09:00 and lasts 4 hours 50 minutes. At what time does it end? (a) 12:50 (b) 14:50 (c) 13:50
35. 35.A film is 1 hour 25 minutes long. How many minutes is that?
36. 36.What is 13:15 in 12-hour time? (a) 1:15 a.m. (b) 3:15 p.m. (c) 1:15 p.m.
37. 37.A film is 4 hours 15 minutes long. How many minutes is that?
38. 38.Write 6:15 p.m. in 24-hour time. (a) 06:15 (b) 18:15 (c) 20:15
39. 39.A film is 2 hours 50 minutes long. How many minutes is that?
40. 40.Write 3:00 a.m. in 24-hour time. (a) 05:00 (b) 15:00 (c) 03:00

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