Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 58 · 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 11:50 a.m. in 24-hour time. (a) 13:50 (b) 11:50 (c) 23:50
2. 2.How many hours are there from 09:00 to 15:00?
3. 3.How many hours are there from 05:00 to 07:00?
4. 4.A film is 2 hours 20 minutes long. How many minutes is that?
5. 5.A film is 4 hours 5 minutes long. How many minutes is that?
6. 6.How many hours are there from 09:00 to 14:00?
7. 7.A film is 1 hour 50 minutes long. How many minutes is that?
8. 8.What is 05:55 in 12-hour time? (a) 5:55 a.m. (b) 7:55 a.m. (c) 5:55 p.m.
9. 9.How many hours are there from 10:00 to 15:00?
10. 10.Write 1:00 p.m. in 24-hour time. (a) 01:00 (b) 13:00 (c) 15:00
11. 11.What is 02:15 in 12-hour time? (a) 4:15 a.m. (b) 2:15 p.m. (c) 2:15 a.m.
12. 12.Write 10:00 a.m. in 24-hour time. (a) 10:00 (b) 12:00 (c) 22:00
13. 13.How many hours are there from 07:00 to 14:00?
14. 14.A train leaves at 19:05 and reaches at 21:15. How long is the journey (in minutes)?
15. 15.Write 5:15 a.m. in 24-hour time. (a) 07:15 (b) 17:15 (c) 05:15
16. 16.What is 16:40 in 12-hour time? (a) 4:40 a.m. (b) 4:40 p.m. (c) 6:40 p.m.
17. 17.What is 11:25 in 12-hour time? (a) 1:25 a.m. (b) 11:25 a.m. (c) 11:25 p.m.
18. 18.A match starts at 16:25 and lasts 2 hours 40 minutes. At what time does it end? (a) 20:05 (b) 18:05 (c) 19:05
19. 19.Write 3:05 p.m. in 24-hour time. (a) 03:05 (b) 17:05 (c) 15:05
20. 20.A match starts at 16:05 and lasts 1 hour 35 minutes. At what time does it end? (a) 16:40 (b) 17:40 (c) 18:40
21. 21.How many hours are there from 11:00 to 21:00?
22. 22.A film is 2 hours 50 minutes long. How many minutes is that?
23. 23.How many hours are there from 06:00 to 08:00?
24. 24.A match starts at 11:55 and lasts 2 hours 50 minutes. At what time does it end? (a) 13:45 (b) 14:45 (c) 15:45
25. 25.What is 16:00 in 12-hour time? (a) 6:00 p.m. (b) 4:00 a.m. (c) 4:00 p.m.
26. 26.A film is 1 hour 25 minutes long. How many minutes is that?
27. 27.A train leaves at 08:55 and reaches at 10:00. How long is the journey (in minutes)?
28. 28.Write 3:50 p.m. in 24-hour time. (a) 17:50 (b) 15:50 (c) 03:50
29. 29.What is 21:40 in 12-hour time? (a) 9:40 a.m. (b) 11:40 p.m. (c) 9:40 p.m.
30. 30.A film is 2 hours 15 minutes long. How many minutes is that?
31. 31.Write 3:40 a.m. in 24-hour time. (a) 15:40 (b) 05:40 (c) 03:40
32. 32.A match starts at 15:30 and lasts 4 hours 25 minutes. At what time does it end? (a) 20:55 (b) 18:55 (c) 19:55
33. 33.Write 4:55 p.m. in 24-hour time. (a) 04:55 (b) 18:55 (c) 16:55
34. 34.Write 11:10 a.m. in 24-hour time. (a) 11:10 (b) 13:10 (c) 23:10
35. 35.A match starts at 08:40 and lasts 1 hour 10 minutes. At what time does it end? (a) 10:50 (b) 09:50 (c) 08:50
36. 36.What is 20:25 in 12-hour time? (a) 10:25 p.m. (b) 8:25 a.m. (c) 8:25 p.m.
37. 37.A film is 4 hours 20 minutes long. How many minutes is that?
38. 38.A match starts at 07:00 and lasts 2 hours 15 minutes. At what time does it end? (a) 09:15 (b) 08:15 (c) 10:15
39. 39.A film is 1 hour 45 minutes long. How many minutes is that?
40. 40.A train leaves at 14:50 and reaches at 17:15. How long is the journey (in minutes)?

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