Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 758 · 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.What is 11:20 in 12-hour time? (a) 11:20 p.m. (b) 11:20 a.m. (c) 1:20 a.m.
2. 2.How many hours are there from 12:00 to 23:00?
3. 3.A film is 2 hours 25 minutes long. How many minutes is that?
4. 4.A film is 3 hours 20 minutes long. How many minutes is that?
5. 5.How many hours are there from 11:00 to 21:00?
6. 6.How many hours are there from 12:00 to 20:00?
7. 7.How many hours are there from 06:00 to 14:00?
8. 8.How many hours are there from 08:00 to 15:00?
9. 9.A film is 1 hour 25 minutes long. How many minutes is that?
10. 10.Write 2:40 a.m. in 24-hour time. (a) 04:40 (b) 14:40 (c) 02:40
11. 11.A match starts at 09:10 and lasts 1 hour 45 minutes. At what time does it end? (a) 11:55 (b) 10:55 (c) 09:55
12. 12.Write 1:45 p.m. in 24-hour time. (a) 01:45 (b) 15:45 (c) 13:45
13. 13.A film is 2 hours 35 minutes long. How many minutes is that?
14. 14.What is 09:10 in 12-hour time? (a) 11:10 a.m. (b) 9:10 a.m. (c) 9:10 p.m.
15. 15.A film is 4 hours 40 minutes long. How many minutes is that?
16. 16.A train leaves at 19:30 and reaches at 22:15. How long is the journey (in minutes)?
17. 17.Write 3:50 a.m. in 24-hour time. (a) 03:50 (b) 15:50 (c) 05:50
18. 18.Write 7:00 p.m. in 24-hour time. (a) 21:00 (b) 19:00 (c) 07:00
19. 19.Write 8:25 a.m. in 24-hour time. (a) 08:25 (b) 10:25 (c) 20:25
20. 20.Write 1:15 a.m. in 24-hour time. (a) 01:15 (b) 13:15 (c) 03:15
21. 21.A train leaves at 06:25 and reaches at 09:45. How long is the journey (in minutes)?
22. 22.What is 04:30 in 12-hour time? (a) 4:30 a.m. (b) 4:30 p.m. (c) 6:30 a.m.
23. 23.What is 07:40 in 12-hour time? (a) 7:40 p.m. (b) 9:40 a.m. (c) 7:40 a.m.
24. 24.A film is 4 hours 10 minutes long. How many minutes is that?
25. 25.A match starts at 13:45 and lasts 3 hours 5 minutes. At what time does it end? (a) 16:50 (b) 15:50 (c) 17:50
26. 26.Write 2:50 a.m. in 24-hour time. (a) 14:50 (b) 02:50 (c) 04:50
27. 27.A train leaves at 12:15 and reaches at 15:05. How long is the journey (in minutes)?
28. 28.What is 09:30 in 12-hour time? (a) 9:30 p.m. (b) 9:30 a.m. (c) 11:30 a.m.
29. 29.How many hours are there from 12:00 to 22:00?
30. 30.What is 01:00 in 12-hour time? (a) 1:00 p.m. (b) 3:00 a.m. (c) 1:00 a.m.
31. 31.A match starts at 15:50 and lasts 4 hours 20 minutes. At what time does it end? (a) 21:10 (b) 19:10 (c) 20:10
32. 32.A match starts at 18:35 and lasts 2 hours 55 minutes. At what time does it end? (a) 21:30 (b) 22:30 (c) 20:30
33. 33.A train leaves at 06:15 and reaches at 08:15. How long is the journey (in minutes)?
34. 34.A train leaves at 18:50 and reaches at 21:45. How long is the journey (in minutes)?
35. 35.How many hours are there from 08:00 to 17:00?
36. 36.How many hours are there from 11:00 to 16:00?
37. 37.Write 2:00 a.m. in 24-hour time. (a) 04:00 (b) 02:00 (c) 14:00
38. 38.A match starts at 08:00 and lasts 2 hours 10 minutes. At what time does it end? (a) 09:10 (b) 11:10 (c) 10:10
39. 39.How many hours are there from 09:00 to 16:00?
40. 40.A train leaves at 11:45 and reaches at 14:40. How long is the journey (in minutes)?

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