Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 213 · 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 16:00?
2. 2.What is 14:00 in 12-hour time? (a) 2:00 a.m. (b) 4:00 p.m. (c) 2:00 p.m.
3. 3.A match starts at 11:05 and lasts 1 hour 40 minutes. At what time does it end? (a) 13:45 (b) 12:45 (c) 11:45
4. 4.A film is 1 hour 45 minutes long. How many minutes is that?
5. 5.A film is 3 hours 50 minutes long. How many minutes is that?
6. 6.A film is 2 hours 20 minutes long. How many minutes is that?
7. 7.How many hours are there from 12:00 to 21:00?
8. 8.A match starts at 10:00 and lasts 2 hours 55 minutes. At what time does it end? (a) 11:55 (b) 13:55 (c) 12:55
9. 9.A train leaves at 19:35 and reaches at 20:30. How long is the journey (in minutes)?
10. 10.Write 10:50 a.m. in 24-hour time. (a) 12:50 (b) 22:50 (c) 10:50
11. 11.Write 8:50 a.m. in 24-hour time. (a) 08:50 (b) 20:50 (c) 10:50
12. 12.How many hours are there from 09:00 to 23:00?
13. 13.A film is 1 hour 50 minutes long. How many minutes is that?
14. 14.Write 6:15 p.m. in 24-hour time. (a) 06:15 (b) 18:15 (c) 20:15
15. 15.How many hours are there from 08:00 to 17:00?
16. 16.Write 6:20 a.m. in 24-hour time. (a) 06:20 (b) 18:20 (c) 08:20
17. 17.A film is 3 hours 20 minutes long. How many minutes is that?
18. 18.A train leaves at 14:25 and reaches at 15:35. How long is the journey (in minutes)?
19. 19.What is 06:40 in 12-hour time? (a) 8:40 a.m. (b) 6:40 p.m. (c) 6:40 a.m.
20. 20.A match starts at 12:45 and lasts 1 hour 50 minutes. At what time does it end? (a) 14:35 (b) 15:35 (c) 13:35
21. 21.A train leaves at 18:30 and reaches at 20:15. How long is the journey (in minutes)?
22. 22.Write 4:20 a.m. in 24-hour time. (a) 16:20 (b) 06:20 (c) 04:20
23. 23.Write 2:40 a.m. in 24-hour time. (a) 04:40 (b) 02:40 (c) 14:40
24. 24.A match starts at 11:25 and lasts 1 hour 45 minutes. At what time does it end? (a) 13:10 (b) 12:10 (c) 14:10
25. 25.Write 2:35 p.m. in 24-hour time. (a) 14:35 (b) 16:35 (c) 02:35
26. 26.What is 07:05 in 12-hour time? (a) 7:05 a.m. (b) 7:05 p.m. (c) 9:05 a.m.
27. 27.What is 02:20 in 12-hour time? (a) 2:20 p.m. (b) 4:20 a.m. (c) 2:20 a.m.
28. 28.A film is 3 hours 15 minutes long. How many minutes is that?
29. 29.A train leaves at 08:00 and reaches at 09:55. How long is the journey (in minutes)?
30. 30.A match starts at 15:00 and lasts 2 hours 5 minutes. At what time does it end? (a) 16:05 (b) 18:05 (c) 17:05
31. 31.Write 3:15 p.m. in 24-hour time. (a) 03:15 (b) 15:15 (c) 17:15
32. 32.How many hours are there from 11:00 to 21:00?
33. 33.What is 23:45 in 12-hour time? (a) 11:45 p.m. (b) 1:45 p.m. (c) 11:45 a.m.
34. 34.How many hours are there from 11:00 to 14:00?
35. 35.How many hours are there from 11:00 to 15:00?
36. 36.A film is 2 hours 40 minutes long. How many minutes is that?
37. 37.How many hours are there from 05:00 to 12:00?
38. 38.How many hours are there from 07:00 to 20:00?
39. 39.Write 5:05 p.m. in 24-hour time. (a) 05:05 (b) 17:05 (c) 19:05
40. 40.A match starts at 18:50 and lasts 2 hours 35 minutes. At what time does it end? (a) 22:25 (b) 21:25 (c) 20:25

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