Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 517 · 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.How many hours are there from 07:00 to 14:00?
2. 2.Write 5:10 p.m. in 24-hour time. (a) 19:10 (b) 05:10 (c) 17:10
3. 3.A film is 1 hour 20 minutes long. How many minutes is that?
4. 4.A match starts at 12:15 and lasts 1 hour. At what time does it end? (a) 14:15 (b) 13:15 (c) 12:15
5. 5.A match starts at 13:00 and lasts 3 hours 25 minutes. At what time does it end? (a) 17:25 (b) 15:25 (c) 16:25
6. 6.A film is 1 hour 55 minutes long. How many minutes is that?
7. 7.A train leaves at 19:35 and reaches at 20:25. How long is the journey (in minutes)?
8. 8.How many hours are there from 07:00 to 10:00?
9. 9.A train leaves at 09:15 and reaches at 10:00. How long is the journey (in minutes)?
10. 10.Write 3:45 a.m. in 24-hour time. (a) 15:45 (b) 03:45 (c) 05:45
11. 11.A train leaves at 06:15 and reaches at 08:05. How long is the journey (in minutes)?
12. 12.What is 07:30 in 12-hour time? (a) 9:30 a.m. (b) 7:30 a.m. (c) 7:30 p.m.
13. 13.Write 3:55 p.m. in 24-hour time. (a) 15:55 (b) 03:55 (c) 17:55
14. 14.How many hours are there from 09:00 to 13:00?
15. 15.Write 1:00 p.m. in 24-hour time. (a) 15:00 (b) 13:00 (c) 01:00
16. 16.A train leaves at 11:15 and reaches at 14:25. How long is the journey (in minutes)?
17. 17.Write 10:25 a.m. in 24-hour time. (a) 22:25 (b) 12:25 (c) 10:25
18. 18.A match starts at 17:05 and lasts 4 hours 25 minutes. At what time does it end? (a) 22:30 (b) 21:30 (c) 20:30
19. 19.What is 04:50 in 12-hour time? (a) 4:50 p.m. (b) 6:50 a.m. (c) 4:50 a.m.
20. 20.What is 22:15 in 12-hour time? (a) 10:15 a.m. (b) 10:15 p.m. (c) 12:15 p.m.
21. 21.Write 7:35 p.m. in 24-hour time. (a) 21:35 (b) 07:35 (c) 19:35
22. 22.A film is 2 hours 15 minutes long. How many minutes is that?
23. 23.A match starts at 16:40 and lasts 4 hours 55 minutes. At what time does it end? (a) 21:35 (b) 20:35 (c) 22:35
24. 24.A train leaves at 11:45 and reaches at 13:15. How long is the journey (in minutes)?
25. 25.What is 17:15 in 12-hour time? (a) 5:15 p.m. (b) 5:15 a.m. (c) 7:15 p.m.
26. 26.What is 02:45 in 12-hour time? (a) 2:45 p.m. (b) 2:45 a.m. (c) 4:45 a.m.
27. 27.A match starts at 12:25 and lasts 2 hours. At what time does it end? (a) 14:25 (b) 15:25 (c) 13:25
28. 28.How many hours are there from 06:00 to 12:00?
29. 29.Write 6:30 p.m. in 24-hour time. (a) 06:30 (b) 18:30 (c) 20:30
30. 30.Write 8:35 p.m. in 24-hour time. (a) 08:35 (b) 20:35 (c) 22:35
31. 31.Write 2:30 p.m. in 24-hour time. (a) 16:30 (b) 14:30 (c) 02:30
32. 32.What is 19:10 in 12-hour time? (a) 7:10 p.m. (b) 7:10 a.m. (c) 9:10 p.m.
33. 33.What is 02:40 in 12-hour time? (a) 2:40 p.m. (b) 2:40 a.m. (c) 4:40 a.m.
34. 34.A train leaves at 07:50 and reaches at 10:25. How long is the journey (in minutes)?
35. 35.How many hours are there from 08:00 to 13:00?
36. 36.A train leaves at 06:40 and reaches at 08:10. How long is the journey (in minutes)?
37. 37.A match starts at 12:20 and lasts 4 hours 35 minutes. At what time does it end? (a) 15:55 (b) 16:55 (c) 17:55
38. 38.Write 8:15 a.m. in 24-hour time. (a) 20:15 (b) 08:15 (c) 10:15
39. 39.A train leaves at 10:40 and reaches at 12:00. How long is the journey (in minutes)?
40. 40.A train leaves at 14:35 and reaches at 17:10. How long is the journey (in minutes)?

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