Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 110 · 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 06:10 and lasts 2 hours 15 minutes. At what time does it end? (a) 08:25 (b) 07:25 (c) 09:25
2. 2.Write 3:40 a.m. in 24-hour time. (a) 15:40 (b) 05:40 (c) 03:40
3. 3.Write 8:30 p.m. in 24-hour time. (a) 20:30 (b) 08:30 (c) 22:30
4. 4.A train leaves at 13:25 and reaches at 16:30. How long is the journey (in minutes)?
5. 5.A film is 2 hours 5 minutes long. How many minutes is that?
6. 6.How many hours are there from 06:00 to 09:00?
7. 7.A match starts at 08:45 and lasts 4 hours 20 minutes. At what time does it end? (a) 13:05 (b) 12:05 (c) 14:05
8. 8.A match starts at 06:20 and lasts 3 hours 55 minutes. At what time does it end? (a) 11:15 (b) 10:15 (c) 09:15
9. 9.Write 8:40 p.m. in 24-hour time. (a) 22:40 (b) 20:40 (c) 08:40
10. 10.What is 03:45 in 12-hour time? (a) 3:45 a.m. (b) 5:45 a.m. (c) 3:45 p.m.
11. 11.A match starts at 13:20 and lasts 3 hours 35 minutes. At what time does it end? (a) 17:55 (b) 16:55 (c) 15:55
12. 12.How many hours are there from 05:00 to 19:00?
13. 13.What is 07:30 in 12-hour time? (a) 7:30 p.m. (b) 9:30 a.m. (c) 7:30 a.m.
14. 14.A film is 3 hours 35 minutes long. How many minutes is that?
15. 15.Write 10:30 a.m. in 24-hour time. (a) 10:30 (b) 22:30 (c) 12:30
16. 16.What is 21:05 in 12-hour time? (a) 11:05 p.m. (b) 9:05 a.m. (c) 9:05 p.m.
17. 17.What is 23:50 in 12-hour time? (a) 1:50 p.m. (b) 11:50 p.m. (c) 11:50 a.m.
18. 18.Write 6:40 p.m. in 24-hour time. (a) 18:40 (b) 06:40 (c) 20:40
19. 19.What is 07:00 in 12-hour time? (a) 7:00 a.m. (b) 9:00 a.m. (c) 7:00 p.m.
20. 20.A film is 3 hours 55 minutes long. How many minutes is that?
21. 21.A train leaves at 07:10 and reaches at 09:30. How long is the journey (in minutes)?
22. 22.What is 09:50 in 12-hour time? (a) 11:50 a.m. (b) 9:50 p.m. (c) 9:50 a.m.
23. 23.A match starts at 14:10 and lasts 2 hours 10 minutes. At what time does it end? (a) 16:20 (b) 17:20 (c) 15:20
24. 24.A train leaves at 07:00 and reaches at 08:50. How long is the journey (in minutes)?
25. 25.A match starts at 15:05 and lasts 1 hour 35 minutes. At what time does it end? (a) 16:40 (b) 17:40 (c) 15:40
26. 26.A match starts at 09:35 and lasts 1 hour 25 minutes. At what time does it end? (a) 10:00 (b) 11:00 (c) 12:00
27. 27.What is 05:25 in 12-hour time? (a) 7:25 a.m. (b) 5:25 a.m. (c) 5:25 p.m.
28. 28.A match starts at 17:15 and lasts 1 hour 35 minutes. At what time does it end? (a) 18:50 (b) 19:50 (c) 17:50
29. 29.Write 2:25 p.m. in 24-hour time. (a) 02:25 (b) 14:25 (c) 16:25
30. 30.What is 04:20 in 12-hour time? (a) 4:20 p.m. (b) 4:20 a.m. (c) 6:20 a.m.
31. 31.What is 13:35 in 12-hour time? (a) 1:35 a.m. (b) 1:35 p.m. (c) 3:35 p.m.
32. 32.What is 07:35 in 12-hour time? (a) 9:35 a.m. (b) 7:35 p.m. (c) 7:35 a.m.
33. 33.A match starts at 12:05 and lasts 4 hours 10 minutes. At what time does it end? (a) 16:15 (b) 15:15 (c) 17:15
34. 34.A match starts at 08:00 and lasts 3 hours 15 minutes. At what time does it end? (a) 12:15 (b) 10:15 (c) 11:15
35. 35.What is 06:00 in 12-hour time? (a) 6:00 a.m. (b) 8:00 a.m. (c) 6:00 p.m.
36. 36.A train leaves at 07:05 and reaches at 08:25. How long is the journey (in minutes)?
37. 37.What is 06:45 in 12-hour time? (a) 6:45 p.m. (b) 8:45 a.m. (c) 6:45 a.m.
38. 38.How many hours are there from 08:00 to 13:00?
39. 39.A match starts at 10:20 and lasts 4 hours 40 minutes. At what time does it end? (a) 15:00 (b) 16:00 (c) 14:00
40. 40.How many hours are there from 10:00 to 12:00?

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