Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 230 · 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 08:00 to 19:00?
2. 2.Write 6:20 a.m. in 24-hour time. (a) 18:20 (b) 06:20 (c) 08:20
3. 3.How many hours are there from 11:00 to 17:00?
4. 4.What is 13:10 in 12-hour time? (a) 1:10 a.m. (b) 3:10 p.m. (c) 1:10 p.m.
5. 5.Write 9:15 a.m. in 24-hour time. (a) 21:15 (b) 11:15 (c) 09:15
6. 6.How many hours are there from 07:00 to 09:00?
7. 7.A train leaves at 12:00 and reaches at 12:25. How long is the journey (in minutes)?
8. 8.A train leaves at 09:50 and reaches at 11:00. How long is the journey (in minutes)?
9. 9.What is 11:10 in 12-hour time? (a) 11:10 p.m. (b) 11:10 a.m. (c) 1:10 a.m.
10. 10.What is 23:45 in 12-hour time? (a) 1:45 p.m. (b) 11:45 p.m. (c) 11:45 a.m.
11. 11.A train leaves at 15:50 and reaches at 17:05. How long is the journey (in minutes)?
12. 12.Write 9:50 a.m. in 24-hour time. (a) 21:50 (b) 11:50 (c) 09:50
13. 13.Write 7:55 a.m. in 24-hour time. (a) 19:55 (b) 09:55 (c) 07:55
14. 14.A match starts at 18:40 and lasts 3 hours 15 minutes. At what time does it end? (a) 20:55 (b) 22:55 (c) 21:55
15. 15.How many hours are there from 05:00 to 18:00?
16. 16.A match starts at 06:00 and lasts 1 hour 20 minutes. At what time does it end? (a) 06:20 (b) 07:20 (c) 08:20
17. 17.Write 11:30 a.m. in 24-hour time. (a) 13:30 (b) 11:30 (c) 23:30
18. 18.How many hours are there from 07:00 to 13:00?
19. 19.A match starts at 09:35 and lasts 1 hour 25 minutes. At what time does it end? (a) 12:00 (b) 10:00 (c) 11:00
20. 20.A train leaves at 08:25 and reaches at 11:05. How long is the journey (in minutes)?
21. 21.A match starts at 06:05 and lasts 2 hours 45 minutes. At what time does it end? (a) 08:50 (b) 07:50 (c) 09:50
22. 22.How many hours are there from 06:00 to 20:00?
23. 23.A film is 4 hours 50 minutes long. How many minutes is that?
24. 24.What is 22:55 in 12-hour time? (a) 10:55 a.m. (b) 12:55 p.m. (c) 10:55 p.m.
25. 25.A train leaves at 12:00 and reaches at 15:05. How long is the journey (in minutes)?
26. 26.Write 2:50 a.m. in 24-hour time. (a) 04:50 (b) 02:50 (c) 14:50
27. 27.What is 23:05 in 12-hour time? (a) 1:05 p.m. (b) 11:05 a.m. (c) 11:05 p.m.
28. 28.Write 2:35 p.m. in 24-hour time. (a) 16:35 (b) 02:35 (c) 14:35
29. 29.How many hours are there from 10:00 to 22:00?
30. 30.A match starts at 11:15 and lasts 2 hours 5 minutes. At what time does it end? (a) 13:20 (b) 12:20 (c) 14:20
31. 31.A film is 3 hours 40 minutes long. How many minutes is that?
32. 32.A film is 4 hours 25 minutes long. How many minutes is that?
33. 33.A match starts at 14:40 and lasts 1 hour 5 minutes. At what time does it end? (a) 16:45 (b) 15:45 (c) 14:45
34. 34.How many hours are there from 12:00 to 23:00?
35. 35.How many hours are there from 11:00 to 22:00?
36. 36.What is 21:40 in 12-hour time? (a) 11:40 p.m. (b) 9:40 p.m. (c) 9:40 a.m.
37. 37.Write 10:30 a.m. in 24-hour time. (a) 22:30 (b) 12:30 (c) 10:30
38. 38.A film is 2 hours 35 minutes long. How many minutes is that?
39. 39.A match starts at 18:30 and lasts 2 hours 55 minutes. At what time does it end? (a) 21:25 (b) 22:25 (c) 20:25
40. 40.What is 05:15 in 12-hour time? (a) 7:15 a.m. (b) 5:15 a.m. (c) 5:15 p.m.

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