Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 296 · 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 17:00 and lasts 4 hours. At what time does it end? (a) 20:00 (b) 21:00 (c) 22:00
2. 2.What is 15:40 in 12-hour time? (a) 3:40 p.m. (b) 5:40 p.m. (c) 3:40 a.m.
3. 3.A film is 2 hours 15 minutes long. How many minutes is that?
4. 4.A film is 1 hour 5 minutes long. How many minutes is that?
5. 5.What is 06:45 in 12-hour time? (a) 8:45 a.m. (b) 6:45 p.m. (c) 6:45 a.m.
6. 6.What is 18:40 in 12-hour time? (a) 6:40 p.m. (b) 6:40 a.m. (c) 8:40 p.m.
7. 7.Write 2:40 a.m. in 24-hour time. (a) 04:40 (b) 14:40 (c) 02:40
8. 8.A match starts at 08:35 and lasts 1 hour 25 minutes. At what time does it end? (a) 09:00 (b) 10:00 (c) 11:00
9. 9.A match starts at 18:05 and lasts 2 hours 5 minutes. At what time does it end? (a) 21:10 (b) 19:10 (c) 20:10
10. 10.A train leaves at 08:10 and reaches at 10:05. How long is the journey (in minutes)?
11. 11.A match starts at 09:05 and lasts 3 hours 45 minutes. At what time does it end? (a) 11:50 (b) 12:50 (c) 13:50
12. 12.A train leaves at 06:35 and reaches at 09:55. How long is the journey (in minutes)?
13. 13.A train leaves at 12:00 and reaches at 13:05. How long is the journey (in minutes)?
14. 14.What is 15:45 in 12-hour time? (a) 3:45 a.m. (b) 5:45 p.m. (c) 3:45 p.m.
15. 15.Write 4:25 a.m. in 24-hour time. (a) 04:25 (b) 16:25 (c) 06:25
16. 16.Write 4:30 p.m. in 24-hour time. (a) 18:30 (b) 04:30 (c) 16:30
17. 17.How many hours are there from 10:00 to 13:00?
18. 18.A train leaves at 17:00 and reaches at 18:10. How long is the journey (in minutes)?
19. 19.A film is 4 hours 45 minutes long. How many minutes is that?
20. 20.Write 6:45 a.m. in 24-hour time. (a) 08:45 (b) 06:45 (c) 18:45
21. 21.How many hours are there from 12:00 to 19:00?
22. 22.A film is 1 hour 35 minutes long. How many minutes is that?
23. 23.A match starts at 14:50 and lasts 3 hours 40 minutes. At what time does it end? (a) 17:30 (b) 19:30 (c) 18:30
24. 24.Write 10:10 p.m. in 24-hour time. (a) 10:10 (b) 00:10 (c) 22:10
25. 25.What is 02:25 in 12-hour time? (a) 2:25 a.m. (b) 4:25 a.m. (c) 2:25 p.m.
26. 26.A train leaves at 19:20 and reaches at 21:45. How long is the journey (in minutes)?
27. 27.Write 6:40 p.m. in 24-hour time. (a) 18:40 (b) 20:40 (c) 06:40
28. 28.How many hours are there from 11:00 to 13:00?
29. 29.What is 13:40 in 12-hour time? (a) 1:40 p.m. (b) 1:40 a.m. (c) 3:40 p.m.
30. 30.What is 04:40 in 12-hour time? (a) 6:40 a.m. (b) 4:40 a.m. (c) 4:40 p.m.
31. 31.What is 09:45 in 12-hour time? (a) 9:45 p.m. (b) 9:45 a.m. (c) 11:45 a.m.
32. 32.A match starts at 13:50 and lasts 1 hour 55 minutes. At what time does it end? (a) 15:45 (b) 16:45 (c) 14:45
33. 33.What is 07:15 in 12-hour time? (a) 7:15 p.m. (b) 9:15 a.m. (c) 7:15 a.m.
34. 34.How many hours are there from 12:00 to 21:00?
35. 35.A film is 1 hour 25 minutes long. How many minutes is that?
36. 36.A film is 1 hour 50 minutes long. How many minutes is that?
37. 37.What is 05:05 in 12-hour time? (a) 5:05 p.m. (b) 7:05 a.m. (c) 5:05 a.m.
38. 38.A train leaves at 09:30 and reaches at 11:40. How long is the journey (in minutes)?
39. 39.A match starts at 09:15 and lasts 4 hours 5 minutes. At what time does it end? (a) 13:20 (b) 14:20 (c) 12:20
40. 40.What is 13:30 in 12-hour time? (a) 1:30 a.m. (b) 1:30 p.m. (c) 3:30 p.m.

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