Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 794 · 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 09:05 and lasts 3 hours 45 minutes. At what time does it end? (a) 13:50 (b) 12:50 (c) 11:50
2. 2.What is 06:50 in 12-hour time? (a) 6:50 p.m. (b) 8:50 a.m. (c) 6:50 a.m.
3. 3.How many hours are there from 10:00 to 16:00?
4. 4.What is 22:50 in 12-hour time? (a) 10:50 a.m. (b) 12:50 p.m. (c) 10:50 p.m.
5. 5.A train leaves at 09:50 and reaches at 10:20. How long is the journey (in minutes)?
6. 6.A train leaves at 17:25 and reaches at 19:30. How long is the journey (in minutes)?
7. 7.How many hours are there from 06:00 to 14:00?
8. 8.What is 13:20 in 12-hour time? (a) 1:20 p.m. (b) 1:20 a.m. (c) 3:20 p.m.
9. 9.What is 03:25 in 12-hour time? (a) 5:25 a.m. (b) 3:25 a.m. (c) 3:25 p.m.
10. 10.What is 07:50 in 12-hour time? (a) 7:50 a.m. (b) 7:50 p.m. (c) 9:50 a.m.
11. 11.Write 10:05 a.m. in 24-hour time. (a) 22:05 (b) 10:05 (c) 12:05
12. 12.A film is 2 hours 45 minutes long. How many minutes is that?
13. 13.How many hours are there from 08:00 to 10:00?
14. 14.How many hours are there from 12:00 to 15:00?
15. 15.A match starts at 06:00 and lasts 4 hours 40 minutes. At what time does it end? (a) 10:40 (b) 11:40 (c) 09:40
16. 16.A train leaves at 08:35 and reaches at 09:10. How long is the journey (in minutes)?
17. 17.A train leaves at 07:45 and reaches at 09:45. How long is the journey (in minutes)?
18. 18.A match starts at 18:20 and lasts 1 hour 35 minutes. At what time does it end? (a) 19:55 (b) 18:55 (c) 20:55
19. 19.A match starts at 13:00 and lasts 1 hour 55 minutes. At what time does it end? (a) 13:55 (b) 14:55 (c) 15:55
20. 20.How many hours are there from 07:00 to 11:00?
21. 21.How many hours are there from 05:00 to 12:00?
22. 22.How many hours are there from 06:00 to 23:00?
23. 23.A match starts at 08:35 and lasts 2 hours. At what time does it end? (a) 11:35 (b) 09:35 (c) 10:35
24. 24.A match starts at 10:05 and lasts 2 hours 5 minutes. At what time does it end? (a) 12:10 (b) 11:10 (c) 13:10
25. 25.A train leaves at 18:05 and reaches at 20:30. How long is the journey (in minutes)?
26. 26.A train leaves at 10:35 and reaches at 13:40. How long is the journey (in minutes)?
27. 27.A match starts at 06:45 and lasts 2 hours 30 minutes. At what time does it end? (a) 10:15 (b) 08:15 (c) 09:15
28. 28.Write 5:15 a.m. in 24-hour time. (a) 05:15 (b) 17:15 (c) 07:15
29. 29.Write 9:15 p.m. in 24-hour time. (a) 09:15 (b) 23:15 (c) 21:15
30. 30.A train leaves at 08:00 and reaches at 09:35. How long is the journey (in minutes)?
31. 31.What is 09:45 in 12-hour time? (a) 9:45 p.m. (b) 11:45 a.m. (c) 9:45 a.m.
32. 32.A train leaves at 17:40 and reaches at 20:55. How long is the journey (in minutes)?
33. 33.A film is 1 hour 5 minutes long. How many minutes is that?
34. 34.A film is 4 hours 30 minutes long. How many minutes is that?
35. 35.A match starts at 13:40 and lasts 3 hours 5 minutes. At what time does it end? (a) 17:45 (b) 16:45 (c) 15:45
36. 36.A match starts at 07:25 and lasts 4 hours. At what time does it end? (a) 12:25 (b) 11:25 (c) 10:25
37. 37.What is 10:40 in 12-hour time? (a) 12:40 a.m. (b) 10:40 a.m. (c) 10:40 p.m.
38. 38.What is 14:20 in 12-hour time? (a) 4:20 p.m. (b) 2:20 a.m. (c) 2:20 p.m.
39. 39.Write 1:50 a.m. in 24-hour time. (a) 03:50 (b) 01:50 (c) 13:50
40. 40.How many hours are there from 10:00 to 22:00?

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