Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 364 · 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 10:00 a.m. in 24-hour time. (a) 10:00 (b) 22:00 (c) 12:00
2. 2.How many hours are there from 12:00 to 20:00?
3. 3.What is 20:20 in 12-hour time? (a) 8:20 a.m. (b) 10:20 p.m. (c) 8:20 p.m.
4. 4.How many hours are there from 08:00 to 13:00?
5. 5.A match starts at 10:10 and lasts 1 hour 35 minutes. At what time does it end? (a) 10:45 (b) 12:45 (c) 11:45
6. 6.A film is 1 hour 45 minutes long. How many minutes is that?
7. 7.A film is 2 hours 30 minutes long. How many minutes is that?
8. 8.What is 07:40 in 12-hour time? (a) 7:40 p.m. (b) 7:40 a.m. (c) 9:40 a.m.
9. 9.A train leaves at 17:25 and reaches at 18:05. How long is the journey (in minutes)?
10. 10.A film is 4 hours 15 minutes long. How many minutes is that?
11. 11.What is 20:45 in 12-hour time? (a) 8:45 a.m. (b) 8:45 p.m. (c) 10:45 p.m.
12. 12.A match starts at 12:45 and lasts 4 hours 20 minutes. At what time does it end? (a) 17:05 (b) 16:05 (c) 18:05
13. 13.How many hours are there from 07:00 to 10:00?
14. 14.A match starts at 14:25 and lasts 4 hours 15 minutes. At what time does it end? (a) 17:40 (b) 19:40 (c) 18:40
15. 15.What is 23:30 in 12-hour time? (a) 1:30 p.m. (b) 11:30 p.m. (c) 11:30 a.m.
16. 16.Write 9:00 a.m. in 24-hour time. (a) 11:00 (b) 21:00 (c) 09:00
17. 17.How many hours are there from 08:00 to 18:00?
18. 18.A match starts at 15:45 and lasts 1 hour 5 minutes. At what time does it end? (a) 17:50 (b) 15:50 (c) 16:50
19. 19.A film is 4 hours 45 minutes long. How many minutes is that?
20. 20.How many hours are there from 09:00 to 11:00?
21. 21.A train leaves at 13:55 and reaches at 14:40. How long is the journey (in minutes)?
22. 22.A match starts at 13:30 and lasts 3 hours 50 minutes. At what time does it end? (a) 18:20 (b) 16:20 (c) 17:20
23. 23.A film is 1 hour 50 minutes long. How many minutes is that?
24. 24.What is 09:10 in 12-hour time? (a) 9:10 p.m. (b) 9:10 a.m. (c) 11:10 a.m.
25. 25.Write 4:50 a.m. in 24-hour time. (a) 16:50 (b) 04:50 (c) 06:50
26. 26.How many hours are there from 09:00 to 14:00?
27. 27.What is 04:40 in 12-hour time? (a) 6:40 a.m. (b) 4:40 p.m. (c) 4:40 a.m.
28. 28.How many hours are there from 09:00 to 12:00?
29. 29.A film is 2 hours 5 minutes long. How many minutes is that?
30. 30.What is 05:50 in 12-hour time? (a) 5:50 p.m. (b) 7:50 a.m. (c) 5:50 a.m.
31. 31.A train leaves at 18:55 and reaches at 20:05. How long is the journey (in minutes)?
32. 32.Write 3:40 a.m. in 24-hour time. (a) 03:40 (b) 05:40 (c) 15:40
33. 33.A match starts at 13:20 and lasts 1 hour 40 minutes. At what time does it end? (a) 16:00 (b) 15:00 (c) 14:00
34. 34.A film is 1 hour 55 minutes long. How many minutes is that?
35. 35.A train leaves at 19:00 and reaches at 21:10. How long is the journey (in minutes)?
36. 36.A match starts at 11:10 and lasts 1 hour 10 minutes. At what time does it end? (a) 13:20 (b) 11:20 (c) 12:20
37. 37.Write 7:50 a.m. in 24-hour time. (a) 19:50 (b) 09:50 (c) 07:50
38. 38.Write 3:45 a.m. in 24-hour time. (a) 15:45 (b) 05:45 (c) 03:45
39. 39.Write 9:40 p.m. in 24-hour time. (a) 09:40 (b) 21:40 (c) 23:40
40. 40.A train leaves at 10:15 and reaches at 12:10. How long is the journey (in minutes)?

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