Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 623 · 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 07:05 and lasts 3 hours 55 minutes. At what time does it end? (a) 11:00 (b) 10:00 (c) 12:00
2. 2.How many hours are there from 10:00 to 14:00?
3. 3.A match starts at 13:55 and lasts 2 hours 5 minutes. At what time does it end? (a) 17:00 (b) 16:00 (c) 15:00
4. 4.Write 7:55 a.m. in 24-hour time. (a) 09:55 (b) 19:55 (c) 07:55
5. 5.How many hours are there from 06:00 to 23:00?
6. 6.Write 4:00 a.m. in 24-hour time. (a) 16:00 (b) 04:00 (c) 06:00
7. 7.What is 02:35 in 12-hour time? (a) 2:35 p.m. (b) 4:35 a.m. (c) 2:35 a.m.
8. 8.A train leaves at 12:40 and reaches at 15:45. How long is the journey (in minutes)?
9. 9.A film is 4 hours 55 minutes long. How many minutes is that?
10. 10.What is 06:10 in 12-hour time? (a) 8:10 a.m. (b) 6:10 p.m. (c) 6:10 a.m.
11. 11.A train leaves at 08:25 and reaches at 10:20. How long is the journey (in minutes)?
12. 12.A match starts at 08:35 and lasts 3 hours 15 minutes. At what time does it end? (a) 11:50 (b) 12:50 (c) 10:50
13. 13.A match starts at 18:45 and lasts 2 hours 10 minutes. At what time does it end? (a) 21:55 (b) 20:55 (c) 19:55
14. 14.A match starts at 09:40 and lasts 2 hours 20 minutes. At what time does it end? (a) 12:00 (b) 11:00 (c) 13:00
15. 15.Write 11:50 a.m. in 24-hour time. (a) 23:50 (b) 11:50 (c) 13:50
16. 16.A train leaves at 14:35 and reaches at 16:05. How long is the journey (in minutes)?
17. 17.A film is 2 hours 15 minutes long. How many minutes is that?
18. 18.A train leaves at 06:45 and reaches at 08:10. How long is the journey (in minutes)?
19. 19.A train leaves at 09:40 and reaches at 12:10. How long is the journey (in minutes)?
20. 20.Write 9:10 p.m. in 24-hour time. (a) 23:10 (b) 21:10 (c) 09:10
21. 21.A train leaves at 10:05 and reaches at 13:20. How long is the journey (in minutes)?
22. 22.What is 01:55 in 12-hour time? (a) 1:55 p.m. (b) 1:55 a.m. (c) 3:55 a.m.
23. 23.How many hours are there from 06:00 to 21:00?
24. 24.What is 16:00 in 12-hour time? (a) 4:00 a.m. (b) 4:00 p.m. (c) 6:00 p.m.
25. 25.How many hours are there from 08:00 to 10:00?
26. 26.How many hours are there from 06:00 to 10:00?
27. 27.Write 9:05 p.m. in 24-hour time. (a) 21:05 (b) 23:05 (c) 09:05
28. 28.A film is 4 hours 20 minutes long. How many minutes is that?
29. 29.How many hours are there from 08:00 to 23:00?
30. 30.How many hours are there from 12:00 to 14:00?
31. 31.A train leaves at 10:35 and reaches at 13:50. How long is the journey (in minutes)?
32. 32.A film is 1 hour 20 minutes long. How many minutes is that?
33. 33.A film is 3 hours 30 minutes long. How many minutes is that?
34. 34.Write 9:05 a.m. in 24-hour time. (a) 21:05 (b) 11:05 (c) 09:05
35. 35.Write 7:10 p.m. in 24-hour time. (a) 19:10 (b) 21:10 (c) 07:10
36. 36.A match starts at 12:05 and lasts 2 hours 55 minutes. At what time does it end? (a) 14:00 (b) 15:00 (c) 16:00
37. 37.Write 4:55 p.m. in 24-hour time. (a) 18:55 (b) 04:55 (c) 16:55
38. 38.How many hours are there from 07:00 to 17:00?
39. 39.How many hours are there from 05:00 to 22:00?
40. 40.A train leaves at 18:05 and reaches at 19:10. How long is the journey (in minutes)?

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