Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 925 · 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 train leaves at 10:45 and reaches at 12:05. How long is the journey (in minutes)?
2. 2.Write 11:10 p.m. in 24-hour time. (a) 23:10 (b) 11:10 (c) 01:10
3. 3.A match starts at 11:15 and lasts 1 hour 15 minutes. At what time does it end? (a) 12:30 (b) 13:30 (c) 11:30
4. 4.What is 03:20 in 12-hour time? (a) 5:20 a.m. (b) 3:20 p.m. (c) 3:20 a.m.
5. 5.How many hours are there from 11:00 to 17:00?
6. 6.A match starts at 07:10 and lasts 4 hours 10 minutes. At what time does it end? (a) 12:20 (b) 11:20 (c) 10:20
7. 7.How many hours are there from 06:00 to 09:00?
8. 8.A film is 4 hours 10 minutes long. How many minutes is that?
9. 9.Write 10:10 a.m. in 24-hour time. (a) 12:10 (b) 10:10 (c) 22:10
10. 10.How many hours are there from 06:00 to 18:00?
11. 11.What is 10:15 in 12-hour time? (a) 10:15 p.m. (b) 12:15 a.m. (c) 10:15 a.m.
12. 12.Write 8:30 p.m. in 24-hour time. (a) 20:30 (b) 22:30 (c) 08:30
13. 13.What is 22:05 in 12-hour time? (a) 10:05 p.m. (b) 12:05 p.m. (c) 10:05 a.m.
14. 14.A train leaves at 12:25 and reaches at 13:05. How long is the journey (in minutes)?
15. 15.A train leaves at 15:45 and reaches at 16:35. How long is the journey (in minutes)?
16. 16.A match starts at 12:15 and lasts 2 hours 20 minutes. At what time does it end? (a) 13:35 (b) 14:35 (c) 15:35
17. 17.How many hours are there from 05:00 to 08:00?
18. 18.How many hours are there from 08:00 to 12:00?
19. 19.What is 13:55 in 12-hour time? (a) 3:55 p.m. (b) 1:55 p.m. (c) 1:55 a.m.
20. 20.What is 10:40 in 12-hour time? (a) 10:40 p.m. (b) 12:40 a.m. (c) 10:40 a.m.
21. 21.A train leaves at 07:50 and reaches at 10:35. How long is the journey (in minutes)?
22. 22.A train leaves at 12:05 and reaches at 14:25. How long is the journey (in minutes)?
23. 23.A film is 2 hours 30 minutes long. How many minutes is that?
24. 24.How many hours are there from 06:00 to 19:00?
25. 25.A train leaves at 16:55 and reaches at 18:05. How long is the journey (in minutes)?
26. 26.A match starts at 07:05 and lasts 2 hours 20 minutes. At what time does it end? (a) 10:25 (b) 09:25 (c) 08:25
27. 27.Write 2:35 p.m. in 24-hour time. (a) 14:35 (b) 02:35 (c) 16:35
28. 28.Write 4:55 a.m. in 24-hour time. (a) 16:55 (b) 04:55 (c) 06:55
29. 29.What is 09:30 in 12-hour time? (a) 11:30 a.m. (b) 9:30 a.m. (c) 9:30 p.m.
30. 30.Write 10:40 a.m. in 24-hour time. (a) 12:40 (b) 10:40 (c) 22:40
31. 31.Write 2:15 a.m. in 24-hour time. (a) 02:15 (b) 14:15 (c) 04:15
32. 32.Write 11:20 p.m. in 24-hour time. (a) 11:20 (b) 23:20 (c) 01:20
33. 33.A film is 3 hours 35 minutes long. How many minutes is that?
34. 34.What is 15:30 in 12-hour time? (a) 3:30 a.m. (b) 5:30 p.m. (c) 3:30 p.m.
35. 35.How many hours are there from 05:00 to 15:00?
36. 36.A film is 1 hour 35 minutes long. How many minutes is that?
37. 37.A match starts at 14:40 and lasts 2 hours 45 minutes. At what time does it end? (a) 18:25 (b) 16:25 (c) 17:25
38. 38.A train leaves at 11:10 and reaches at 11:35. How long is the journey (in minutes)?
39. 39.How many hours are there from 12:00 to 19:00?
40. 40.How many hours are there from 12:00 to 18:00?

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