Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 76 · 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 07:00 to 11:00?
2. 2.Write 1:15 p.m. in 24-hour time. (a) 01:15 (b) 15:15 (c) 13:15
3. 3.What is 20:35 in 12-hour time? (a) 8:35 p.m. (b) 8:35 a.m. (c) 10:35 p.m.
4. 4.How many hours are there from 11:00 to 22:00?
5. 5.What is 05:45 in 12-hour time? (a) 7:45 a.m. (b) 5:45 p.m. (c) 5:45 a.m.
6. 6.A match starts at 07:00 and lasts 3 hours 45 minutes. At what time does it end? (a) 09:45 (b) 10:45 (c) 11:45
7. 7.A film is 3 hours 15 minutes long. How many minutes is that?
8. 8.A film is 4 hours 10 minutes long. How many minutes is that?
9. 9.A film is 4 hours 40 minutes long. How many minutes is that?
10. 10.What is 11:00 in 12-hour time? (a) 11:00 a.m. (b) 1:00 a.m. (c) 11:00 p.m.
11. 11.A match starts at 07:00 and lasts 1 hour 45 minutes. At what time does it end? (a) 07:45 (b) 08:45 (c) 09:45
12. 12.A film is 1 hour 20 minutes long. How many minutes is that?
13. 13.A match starts at 13:55 and lasts 4 hours 40 minutes. At what time does it end? (a) 17:35 (b) 18:35 (c) 19:35
14. 14.A film is 3 hours 40 minutes long. How many minutes is that?
15. 15.A match starts at 10:35 and lasts 3 hours 45 minutes. At what time does it end? (a) 15:20 (b) 13:20 (c) 14:20
16. 16.A film is 1 hour 50 minutes long. How many minutes is that?
17. 17.Write 11:20 a.m. in 24-hour time. (a) 11:20 (b) 23:20 (c) 13:20
18. 18.What is 21:35 in 12-hour time? (a) 9:35 p.m. (b) 9:35 a.m. (c) 11:35 p.m.
19. 19.Write 11:35 p.m. in 24-hour time. (a) 11:35 (b) 01:35 (c) 23:35
20. 20.How many hours are there from 11:00 to 17:00?
21. 21.How many hours are there from 08:00 to 21:00?
22. 22.How many hours are there from 07:00 to 23:00?
23. 23.What is 03:00 in 12-hour time? (a) 5:00 a.m. (b) 3:00 p.m. (c) 3:00 a.m.
24. 24.A film is 2 hours 50 minutes long. How many minutes is that?
25. 25.A film is 3 hours 10 minutes long. How many minutes is that?
26. 26.A train leaves at 10:40 and reaches at 12:30. How long is the journey (in minutes)?
27. 27.What is 17:05 in 12-hour time? (a) 5:05 p.m. (b) 5:05 a.m. (c) 7:05 p.m.
28. 28.Write 8:55 a.m. in 24-hour time. (a) 10:55 (b) 08:55 (c) 20:55
29. 29.A film is 1 hour 30 minutes long. How many minutes is that?
30. 30.A train leaves at 16:15 and reaches at 18:55. How long is the journey (in minutes)?
31. 31.What is 01:30 in 12-hour time? (a) 3:30 a.m. (b) 1:30 a.m. (c) 1:30 p.m.
32. 32.Write 1:50 a.m. in 24-hour time. (a) 03:50 (b) 01:50 (c) 13:50
33. 33.What is 04:10 in 12-hour time? (a) 4:10 p.m. (b) 6:10 a.m. (c) 4:10 a.m.
34. 34.A match starts at 10:15 and lasts 3 hours 50 minutes. At what time does it end? (a) 14:05 (b) 15:05 (c) 13:05
35. 35.Write 2:10 a.m. in 24-hour time. (a) 02:10 (b) 14:10 (c) 04:10
36. 36.A match starts at 08:25 and lasts 2 hours 35 minutes. At what time does it end? (a) 10:00 (b) 12:00 (c) 11:00
37. 37.A train leaves at 06:15 and reaches at 06:55. How long is the journey (in minutes)?
38. 38.A match starts at 16:15 and lasts 1 hour 40 minutes. At what time does it end? (a) 16:55 (b) 18:55 (c) 17:55
39. 39.A match starts at 18:40 and lasts 2 hours 50 minutes. At what time does it end? (a) 22:30 (b) 20:30 (c) 21:30
40. 40.How many hours are there from 06:00 to 19:00?

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