Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 668 · 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 11:00 to 16:00?
2. 2.A match starts at 10:25 and lasts 1 hour 5 minutes. At what time does it end? (a) 10:30 (b) 11:30 (c) 12:30
3. 3.Write 11:30 a.m. in 24-hour time. (a) 13:30 (b) 11:30 (c) 23:30
4. 4.How many hours are there from 12:00 to 15:00?
5. 5.A train leaves at 13:15 and reaches at 14:45. How long is the journey (in minutes)?
6. 6.Write 11:10 a.m. in 24-hour time. (a) 11:10 (b) 23:10 (c) 13:10
7. 7.A train leaves at 08:10 and reaches at 11:30. How long is the journey (in minutes)?
8. 8.Write 7:15 a.m. in 24-hour time. (a) 07:15 (b) 09:15 (c) 19:15
9. 9.A match starts at 09:40 and lasts 2 hours 40 minutes. At what time does it end? (a) 13:20 (b) 12:20 (c) 11:20
10. 10.What is 20:10 in 12-hour time? (a) 8:10 p.m. (b) 10:10 p.m. (c) 8:10 a.m.
11. 11.How many hours are there from 11:00 to 19:00?
12. 12.Write 9:00 a.m. in 24-hour time. (a) 11:00 (b) 09:00 (c) 21:00
13. 13.How many hours are there from 05:00 to 17:00?
14. 14.A match starts at 07:50 and lasts 4 hours 15 minutes. At what time does it end? (a) 13:05 (b) 12:05 (c) 11:05
15. 15.What is 14:45 in 12-hour time? (a) 2:45 p.m. (b) 4:45 p.m. (c) 2:45 a.m.
16. 16.A match starts at 14:40 and lasts 2 hours. At what time does it end? (a) 16:40 (b) 17:40 (c) 15:40
17. 17.How many hours are there from 11:00 to 22:00?
18. 18.Write 6:05 a.m. in 24-hour time. (a) 08:05 (b) 18:05 (c) 06:05
19. 19.How many hours are there from 05:00 to 23:00?
20. 20.A train leaves at 16:35 and reaches at 17:20. How long is the journey (in minutes)?
21. 21.Write 7:25 a.m. in 24-hour time. (a) 07:25 (b) 09:25 (c) 19:25
22. 22.What is 06:00 in 12-hour time? (a) 6:00 a.m. (b) 8:00 a.m. (c) 6:00 p.m.
23. 23.A match starts at 16:40 and lasts 3 hours 15 minutes. At what time does it end? (a) 18:55 (b) 19:55 (c) 20:55
24. 24.A match starts at 12:10 and lasts 4 hours 50 minutes. At what time does it end? (a) 16:00 (b) 18:00 (c) 17:00
25. 25.A film is 3 hours 55 minutes long. How many minutes is that?
26. 26.Write 10:40 a.m. in 24-hour time. (a) 12:40 (b) 10:40 (c) 22:40
27. 27.What is 20:35 in 12-hour time? (a) 8:35 a.m. (b) 8:35 p.m. (c) 10:35 p.m.
28. 28.How many hours are there from 06:00 to 12:00?
29. 29.A match starts at 09:00 and lasts 4 hours 15 minutes. At what time does it end? (a) 12:15 (b) 14:15 (c) 13:15
30. 30.A train leaves at 10:05 and reaches at 12:00. How long is the journey (in minutes)?
31. 31.What is 23:25 in 12-hour time? (a) 11:25 p.m. (b) 11:25 a.m. (c) 1:25 p.m.
32. 32.A match starts at 18:35 and lasts 1 hour 25 minutes. At what time does it end? (a) 21:00 (b) 20:00 (c) 19:00
33. 33.A match starts at 09:05 and lasts 1 hour 50 minutes. At what time does it end? (a) 11:55 (b) 10:55 (c) 09:55
34. 34.What is 03:25 in 12-hour time? (a) 3:25 p.m. (b) 5:25 a.m. (c) 3:25 a.m.
35. 35.A match starts at 10:40 and lasts 1 hour 5 minutes. At what time does it end? (a) 11:45 (b) 10:45 (c) 12:45
36. 36.A train leaves at 13:55 and reaches at 15:05. How long is the journey (in minutes)?
37. 37.Write 8:05 a.m. in 24-hour time. (a) 10:05 (b) 08:05 (c) 20:05
38. 38.A train leaves at 14:00 and reaches at 16:50. How long is the journey (in minutes)?
39. 39.Write 11:35 p.m. in 24-hour time. (a) 01:35 (b) 23:35 (c) 11:35
40. 40.A match starts at 07:45 and lasts 3 hours 45 minutes. At what time does it end? (a) 11:30 (b) 12:30 (c) 10:30

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