Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 388 · 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.Write 1:10 a.m. in 24-hour time. (a) 03:10 (b) 13:10 (c) 01:10
2. 2.How many hours are there from 07:00 to 18:00?
3. 3.Write 8:55 a.m. in 24-hour time. (a) 08:55 (b) 10:55 (c) 20:55
4. 4.How many hours are there from 07:00 to 17:00?
5. 5.Write 2:50 a.m. in 24-hour time. (a) 14:50 (b) 02:50 (c) 04:50
6. 6.A train leaves at 12:10 and reaches at 13:15. How long is the journey (in minutes)?
7. 7.A train leaves at 16:05 and reaches at 17:45. How long is the journey (in minutes)?
8. 8.What is 10:20 in 12-hour time? (a) 12:20 a.m. (b) 10:20 p.m. (c) 10:20 a.m.
9. 9.A match starts at 07:00 and lasts 3 hours 55 minutes. At what time does it end? (a) 11:55 (b) 10:55 (c) 09:55
10. 10.Write 10:20 p.m. in 24-hour time. (a) 00:20 (b) 10:20 (c) 22:20
11. 11.How many hours are there from 12:00 to 17:00?
12. 12.How many hours are there from 09:00 to 23:00?
13. 13.How many hours are there from 07:00 to 21:00?
14. 14.What is 19:05 in 12-hour time? (a) 7:05 a.m. (b) 7:05 p.m. (c) 9:05 p.m.
15. 15.A train leaves at 13:55 and reaches at 15:30. How long is the journey (in minutes)?
16. 16.Write 3:05 a.m. in 24-hour time. (a) 05:05 (b) 03:05 (c) 15:05
17. 17.A train leaves at 14:25 and reaches at 16:35. How long is the journey (in minutes)?
18. 18.How many hours are there from 05:00 to 08:00?
19. 19.A train leaves at 09:05 and reaches at 10:35. How long is the journey (in minutes)?
20. 20.What is 16:20 in 12-hour time? (a) 4:20 p.m. (b) 4:20 a.m. (c) 6:20 p.m.
21. 21.What is 05:00 in 12-hour time? (a) 7:00 a.m. (b) 5:00 a.m. (c) 5:00 p.m.
22. 22.A train leaves at 17:40 and reaches at 19:40. How long is the journey (in minutes)?
23. 23.A film is 1 hour 35 minutes long. How many minutes is that?
24. 24.A train leaves at 11:25 and reaches at 14:25. How long is the journey (in minutes)?
25. 25.What is 04:55 in 12-hour time? (a) 6:55 a.m. (b) 4:55 a.m. (c) 4:55 p.m.
26. 26.A film is 1 hour 30 minutes long. How many minutes is that?
27. 27.A match starts at 15:05 and lasts 2 hours 25 minutes. At what time does it end? (a) 17:30 (b) 18:30 (c) 16:30
28. 28.How many hours are there from 12:00 to 23:00?
29. 29.A match starts at 18:40 and lasts 2 hours 20 minutes. At what time does it end? (a) 20:00 (b) 22:00 (c) 21:00
30. 30.A train leaves at 07:05 and reaches at 09:05. How long is the journey (in minutes)?
31. 31.A match starts at 08:55 and lasts 1 hour 15 minutes. At what time does it end? (a) 11:10 (b) 10:10 (c) 09:10
32. 32.What is 07:55 in 12-hour time? (a) 7:55 a.m. (b) 9:55 a.m. (c) 7:55 p.m.
33. 33.A train leaves at 10:10 and reaches at 11:25. How long is the journey (in minutes)?
34. 34.A film is 4 hours 30 minutes long. How many minutes is that?
35. 35.What is 22:55 in 12-hour time? (a) 10:55 a.m. (b) 10:55 p.m. (c) 12:55 p.m.
36. 36.A film is 2 hours 40 minutes long. How many minutes is that?
37. 37.How many hours are there from 10:00 to 20:00?
38. 38.Write 9:10 p.m. in 24-hour time. (a) 21:10 (b) 23:10 (c) 09:10
39. 39.A train leaves at 06:50 and reaches at 08:00. How long is the journey (in minutes)?
40. 40.How many hours are there from 05:00 to 21:00?

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