Class 4 Maths Worksheet: 24-Hour Clock

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

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