Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 825 · 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 17:50 and lasts 3 hours 10 minutes. At what time does it end? (a) 22:00 (b) 21:00 (c) 20:00
2. 2.A train leaves at 13:15 and reaches at 13:50. How long is the journey (in minutes)?
3. 3.A film is 4 hours 10 minutes long. How many minutes is that?
4. 4.A match starts at 17:15 and lasts 3 hours 5 minutes. At what time does it end? (a) 19:20 (b) 20:20 (c) 21:20
5. 5.A match starts at 07:20 and lasts 2 hours 40 minutes. At what time does it end? (a) 11:00 (b) 09:00 (c) 10:00
6. 6.What is 21:30 in 12-hour time? (a) 11:30 p.m. (b) 9:30 a.m. (c) 9:30 p.m.
7. 7.A match starts at 09:45 and lasts 3 hours 35 minutes. At what time does it end? (a) 14:20 (b) 13:20 (c) 12:20
8. 8.What is 13:00 in 12-hour time? (a) 3:00 p.m. (b) 1:00 a.m. (c) 1:00 p.m.
9. 9.A match starts at 18:45 and lasts 3 hours. At what time does it end? (a) 22:45 (b) 20:45 (c) 21:45
10. 10.What is 21:40 in 12-hour time? (a) 11:40 p.m. (b) 9:40 a.m. (c) 9:40 p.m.
11. 11.A film is 4 hours 30 minutes long. How many minutes is that?
12. 12.What is 23:00 in 12-hour time? (a) 11:00 a.m. (b) 1:00 p.m. (c) 11:00 p.m.
13. 13.Write 6:40 p.m. in 24-hour time. (a) 06:40 (b) 20:40 (c) 18:40
14. 14.A match starts at 12:35 and lasts 1 hour 5 minutes. At what time does it end? (a) 13:40 (b) 12:40 (c) 14:40
15. 15.Write 6:10 a.m. in 24-hour time. (a) 08:10 (b) 06:10 (c) 18:10
16. 16.A train leaves at 17:50 and reaches at 19:00. How long is the journey (in minutes)?
17. 17.A train leaves at 10:15 and reaches at 12:45. How long is the journey (in minutes)?
18. 18.A match starts at 17:25 and lasts 2 hours. At what time does it end? (a) 20:25 (b) 19:25 (c) 18:25
19. 19.Write 6:15 a.m. in 24-hour time. (a) 18:15 (b) 06:15 (c) 08:15
20. 20.How many hours are there from 05:00 to 07:00?
21. 21.How many hours are there from 12:00 to 21:00?
22. 22.A train leaves at 12:50 and reaches at 15:10. How long is the journey (in minutes)?
23. 23.What is 03:40 in 12-hour time? (a) 3:40 p.m. (b) 5:40 a.m. (c) 3:40 a.m.
24. 24.What is 05:00 in 12-hour time? (a) 7:00 a.m. (b) 5:00 p.m. (c) 5:00 a.m.
25. 25.Write 9:10 a.m. in 24-hour time. (a) 11:10 (b) 21:10 (c) 09:10
26. 26.A film is 1 hour 50 minutes long. How many minutes is that?
27. 27.Write 5:15 p.m. in 24-hour time. (a) 05:15 (b) 17:15 (c) 19:15
28. 28.Write 4:05 a.m. in 24-hour time. (a) 16:05 (b) 04:05 (c) 06:05
29. 29.How many hours are there from 05:00 to 12:00?
30. 30.A film is 2 hours 5 minutes long. How many minutes is that?
31. 31.A train leaves at 06:00 and reaches at 08:00. How long is the journey (in minutes)?
32. 32.A film is 1 hour 10 minutes long. How many minutes is that?
33. 33.Write 7:50 a.m. in 24-hour time. (a) 07:50 (b) 19:50 (c) 09:50
34. 34.Write 9:10 p.m. in 24-hour time. (a) 21:10 (b) 23:10 (c) 09:10
35. 35.How many hours are there from 11:00 to 21:00?
36. 36.A film is 3 hours 40 minutes long. How many minutes is that?
37. 37.What is 19:10 in 12-hour time? (a) 7:10 p.m. (b) 9:10 p.m. (c) 7:10 a.m.
38. 38.How many hours are there from 05:00 to 13:00?
39. 39.A match starts at 08:25 and lasts 2 hours 30 minutes. At what time does it end? (a) 11:55 (b) 09:55 (c) 10:55
40. 40.A train leaves at 07:45 and reaches at 08:10. How long is the journey (in minutes)?

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