Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 959 · 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.A match starts at 09:00 and lasts 2 hours 50 minutes. At what time does it end? (a) 12:50 (b) 10:50 (c) 11:50
2. 2.What is 21:00 in 12-hour time? (a) 11:00 p.m. (b) 9:00 a.m. (c) 9:00 p.m.
3. 3.How many hours are there from 08:00 to 22:00?
4. 4.A film is 1 hour 25 minutes long. How many minutes is that?
5. 5.What is 10:10 in 12-hour time? (a) 10:10 a.m. (b) 10:10 p.m. (c) 12:10 a.m.
6. 6.Write 5:15 a.m. in 24-hour time. (a) 05:15 (b) 07:15 (c) 17:15
7. 7.A train leaves at 12:20 and reaches at 12:45. How long is the journey (in minutes)?
8. 8.What is 10:30 in 12-hour time? (a) 10:30 a.m. (b) 10:30 p.m. (c) 12:30 a.m.
9. 9.Write 9:30 a.m. in 24-hour time. (a) 09:30 (b) 21:30 (c) 11:30
10. 10.A film is 3 hours 10 minutes long. How many minutes is that?
11. 11.A train leaves at 13:05 and reaches at 14:40. How long is the journey (in minutes)?
12. 12.A match starts at 07:35 and lasts 2 hours 5 minutes. At what time does it end? (a) 10:40 (b) 09:40 (c) 08:40
13. 13.Write 5:45 p.m. in 24-hour time. (a) 17:45 (b) 05:45 (c) 19:45
14. 14.A film is 1 hour 5 minutes long. How many minutes is that?
15. 15.A match starts at 16:45 and lasts 1 hour 55 minutes. At what time does it end? (a) 17:40 (b) 18:40 (c) 19:40
16. 16.Write 7:25 a.m. in 24-hour time. (a) 09:25 (b) 07:25 (c) 19:25
17. 17.How many hours are there from 11:00 to 15:00?
18. 18.Write 2:20 a.m. in 24-hour time. (a) 04:20 (b) 14:20 (c) 02:20
19. 19.A train leaves at 14:20 and reaches at 17:05. How long is the journey (in minutes)?
20. 20.A match starts at 10:30 and lasts 2 hours 25 minutes. At what time does it end? (a) 12:55 (b) 11:55 (c) 13:55
21. 21.A train leaves at 12:05 and reaches at 13:05. How long is the journey (in minutes)?
22. 22.How many hours are there from 07:00 to 23:00?
23. 23.How many hours are there from 07:00 to 20:00?
24. 24.What is 23:15 in 12-hour time? (a) 11:15 p.m. (b) 1:15 p.m. (c) 11:15 a.m.
25. 25.A match starts at 15:30 and lasts 4 hours 40 minutes. At what time does it end? (a) 21:10 (b) 19:10 (c) 20:10
26. 26.Write 3:20 a.m. in 24-hour time. (a) 15:20 (b) 03:20 (c) 05:20
27. 27.What is 04:00 in 12-hour time? (a) 6:00 a.m. (b) 4:00 a.m. (c) 4:00 p.m.
28. 28.Write 7:50 p.m. in 24-hour time. (a) 07:50 (b) 21:50 (c) 19:50
29. 29.A match starts at 17:05 and lasts 4 hours 30 minutes. At what time does it end? (a) 21:35 (b) 20:35 (c) 22:35
30. 30.Write 8:15 p.m. in 24-hour time. (a) 20:15 (b) 08:15 (c) 22:15
31. 31.What is 16:55 in 12-hour time? (a) 4:55 p.m. (b) 6:55 p.m. (c) 4:55 a.m.
32. 32.Write 1:05 p.m. in 24-hour time. (a) 01:05 (b) 15:05 (c) 13:05
33. 33.How many hours are there from 12:00 to 15:00?
34. 34.What is 10:05 in 12-hour time? (a) 10:05 p.m. (b) 10:05 a.m. (c) 12:05 a.m.
35. 35.A film is 4 hours 20 minutes long. How many minutes is that?
36. 36.What is 02:10 in 12-hour time? (a) 4:10 a.m. (b) 2:10 p.m. (c) 2:10 a.m.
37. 37.How many hours are there from 10:00 to 13:00?
38. 38.Write 9:45 p.m. in 24-hour time. (a) 23:45 (b) 21:45 (c) 09:45
39. 39.A train leaves at 15:05 and reaches at 15:30. How long is the journey (in minutes)?
40. 40.What is 09:45 in 12-hour time? (a) 9:45 a.m. (b) 9:45 p.m. (c) 11:45 a.m.

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